{"id":13020,"date":"2026-05-11T02:25:59","date_gmt":"2026-05-11T02:25:59","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13020"},"modified":"2026-05-11T02:25:59","modified_gmt":"2026-05-11T02:25:59","slug":"sandblasting-media-suppliers-the-industrial-buyers-complete-guide","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/fr\/resource\/blog\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\/","title":{"rendered":"Sandblasting Media Suppliers: The Industrial Buyer&#8217;s Complete Guide"},"content":{"rendered":"<style>\n\/* ============================================================\n   HLH Pillar Page \u2014 Sandblasting Media Suppliers\n   Brand: Jiangsu Henglihong Technology Co., Ltd.\n   Color: Industrial Blue #1B4F8A | Dark Grey #2D2D2D\n   ============================================================ *\/\n.hlh-pillar *{box-sizing:border-box;margin:0;padding:0}\n.hlh-pillar{font-family:'Segoe 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*\/\n.hlh-byline{display:flex;align-items:center;gap:14px;background:#f7fafd;border:1px solid #d6e0ec;border-radius:8px;padding:16px 20px;margin-bottom:32px;font-size:13px;color:#555}\n.hlh-byline-avatar{width:42px;height:42px;border-radius:50%;background:#1B4F8A;color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;flex-shrink:0}\n\n\/* \u2500\u2500 Responsive \u2500\u2500 *\/\n@media(max-width:600px){\n  .hlh-hero{padding:36px 24px 32px}\n  .hlh-cta{padding:36px 24px}\n  .hlh-stats{flex-direction:column}\n  .hlh-cluster-grid{grid-template-columns:1fr}\n}\n<\/style>\n\n<article class=\"hlh-pillar\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     HERO\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<header class=\"hlh-hero\">\n  <span class=\"hlh-hero-label\">Industrial Abrasive Resource \u00b7 May 2026<\/span>\n  <h1 itemprop=\"headline\">Sandblasting Media Suppliers: The Industrial Buyer&#8217;s Complete Guide<\/h1>\n  <div class=\"hlh-hero-meta\">\n    <span>\n      <svg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><circle cx=\"12\" cy=\"12\" r=\"10\"\/><path d=\"M12 6v6l4 2\"\/><\/svg>\n      Updated: May 2026\n    <\/span>\n    <span>\n      <svg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M12 2a10 10 0 1 0 10 10A10 10 0 0 0 12 2zm0 14v-4m0-4h.01\"\/><\/svg>\n      ~5,200 words \u00b7 20-min read\n    <\/span>\n    <span>\n      <svg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\"><path d=\"M3 9l9-7 9 7v11a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z\"\/><\/svg>\n      Jiangsu Henglihong Technology Co. Ltd.\n    <\/span>\n  <\/div>\n<\/header>\n\n<!-- Byline -->\n<div class=\"hlh-byline\">\n  <div class=\"hlh-byline-avatar\">HLH<\/div>\n  <div>\n    <strong>Published by Jiangsu Henglihong Technology Co., Ltd.<\/strong><br>\n    Manufacturer &amp; global supplier of abrasive blasting media \u2014 steel grit, steel shot, aluminum oxide, and specialty abrasives \u2014 serving industrial clients across 40+ countries.\n  <\/div>\n<\/div>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     TABLE OF CONTENTS\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<nav class=\"hlh-toc\" aria-label=\"Table of Contents\">\n  <div class=\"hlh-toc-title\">Table of Contents<\/div>\n  <ol>\n    <li><a href=\"#what-is-sandblasting-media\">What Is Sandblasting Media?<\/a><\/li>\n    <li><a href=\"#types-of-sandblasting-media\">Types of Sandblasting Media Explained<\/a>\n      <ol>\n        <li><a href=\"#steel-grit-shot\">Steel Grit &amp; Steel Shot<\/a><\/li>\n        <li><a href=\"#aluminum-oxide\">Oxyde d'aluminium<\/a><\/li>\n        <li><a href=\"#garnet\">Grenat<\/a><\/li>\n        <li><a href=\"#glass-beads-crushed\">Glass Beads &amp; Crushed Glass<\/a><\/li>\n        <li><a href=\"#slag-abrasives\">Coal Slag &amp; Copper Slag<\/a><\/li>\n        <li><a href=\"#organic-plastic\">Plastic, Walnut Shell &amp; Corn Cob<\/a><\/li>\n      <\/ol>\n    <\/li>\n    <li><a href=\"#how-to-choose\">How to Choose the Right Blast Media<\/a><\/li>\n    <li><a href=\"#grit-size-chart\">Grit Size &amp; Mesh Reference Chart<\/a><\/li>\n    <li><a href=\"#application-use-cases\">Application Use Cases by Industry<\/a><\/li>\n    <li><a href=\"#osha-safety\">OSHA Safety &amp; Silica Sand Regulations<\/a><\/li>\n    <li><a href=\"#reusable-vs-single-use\">Reusable vs. Single-Use Media: Cost Analysis<\/a><\/li>\n    <li><a href=\"#bulk-packaging\">Bulk Packaging, MOQ &amp; Freight Guide<\/a><\/li>\n    <li><a href=\"#supplier-evaluation\">How to Evaluate a Sandblasting Media Supplier<\/a><\/li>\n    <li><a href=\"#compare-media\">Steel Grit vs. Aluminum Oxide vs. Garnet: Side-by-Side<\/a><\/li>\n    <li><a href=\"#surface-profile\">Surface Profile &amp; Sa Rating Explained<\/a><\/li>\n    <li><a href=\"#faq\">Questions fr\u00e9quemment pos\u00e9es<\/a><\/li>\n    <li><a href=\"#conclusion\">Conclusion &amp; Next Steps<\/a><\/li>\n  <\/ol>\n<\/nav>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     INTRO\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"intro\" itemprop=\"articleBody\">\n\n<p>Finding the right <strong>sandblasting media supplier<\/strong> is one of the most consequential procurement decisions a surface-preparation professional makes. The abrasive you choose directly determines your blast rate, your finished surface profile, your coating adhesion quality, and \u2014 ultimately \u2014 your project profitability. Yet the global market for abrasive blast media is crowded, terminology is inconsistent, and specification sheets can be misleading for buyers who are new to the category.<\/p>\n\n<p>This guide was written by the technical team at <strong>Jiangsu Henglihong Technology Co. Ltd.<\/strong>, a China-based manufacturer that exports steel grit, steel shot, aluminum oxide, and specialty abrasives to industrial buyers in North America, Europe, the Middle East, and Southeast Asia. Our goal is straightforward: give you every piece of information you need to specify, source, and evaluate abrasive blasting media \u2014 regardless of whether you ultimately buy from us or from a competitor.<\/p>\n\n<p>By the time you finish reading, you will understand the six major media families, how to match media to your substrate and desired surface profile, what OSHA compliance requires, how to compare supplier quotes on a cost-per-cycle basis, and what red flags to watch for when vetting overseas abrasive suppliers.<\/p>\n\n<div class=\"hlh-stats\">\n  <div class=\"hlh-stat\">\n    <div class=\"hlh-stat-num\">$14B+<\/div>\n    <div class=\"hlh-stat-label\">Global abrasive blasting<br>market size (2025 estimate)<\/div>\n  <\/div>\n  <div class=\"hlh-stat\">\n    <div class=\"hlh-stat-num\">40+<\/div>\n    <div class=\"hlh-stat-label\">Countries served by<br>Henglihong exports<\/div>\n  <\/div>\n  <div class=\"hlh-stat\">\n    <div class=\"hlh-stat-num\">6<\/div>\n    <div class=\"hlh-stat-label\">Major blast media<br>families covered<\/div>\n  <\/div>\n  <div class=\"hlh-stat\">\n    <div class=\"hlh-stat-num\">Sa 2.5<\/div>\n    <div class=\"hlh-stat-label\">Industry-standard cleanliness<br>for protective coatings<\/div>\n  <\/div>\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 1 \u2014 WHAT IS SANDBLASTING MEDIA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"what-is-sandblasting-media\">\n<h2>1. What Is Sandblasting Media?<\/h2>\n\n<p><strong>Supports de sablage<\/strong> \u2014 more accurately called <em>abrasive blasting media<\/em> \u2014 is any granular material propelled at high velocity against a surface to clean it, remove coatings, create a mechanical anchor profile, or achieve a decorative finish. The term &#8220;sandblasting&#8221; dates to the era when actual silica sand was the go-to abrasive; today, true silica sand is largely banned in professional applications because prolonged inhalation of fine silica dust causes silicosis, a fatal lung disease.<\/p>\n\n<p>Modern blast media is a diverse category. Materials range from angular steel grit engineered for aggressive industrial surface preparation, to gentle walnut shell granules used on soft automotive substrates, to recycled crushed glass that provides an environmentally friendly profile for structural steel. What unites them is the underlying mechanism: high-speed particle impact transfers kinetic energy to the workpiece surface, eroding contaminants or the substrate itself in a controlled, reproducible way.<\/p>\n\n<h3>Key Functions of Abrasive Blast Media<\/h3>\n<ul>\n  <li><strong>Cleaning:<\/strong> Removing rust, mill scale, paint, oil films, or biological growth from metal, concrete, stone, and wood surfaces.<\/li>\n  <li><strong>Surface profiling:<\/strong> Creating a microscopically rough &#8220;anchor pattern&#8221; that dramatically improves adhesion for epoxy coatings, thermal spray, galvanizing, and other protective finishes.<\/li>\n  <li><strong>Deburring &amp; deflashing:<\/strong> Smoothing machined or cast parts to remove sharp edges and mold flash without dimensional impact.<\/li>\n  <li><strong>Peening:<\/strong> Compressing the surface layer of metal components (shot peening) to introduce residual compressive stress that extends fatigue life.<\/li>\n  <li><strong>Etching &amp; decorative finishing:<\/strong> Frosting glass, engraving stone monuments, or producing a satin finish on stainless steel.<\/li>\n<\/ul>\n\n<div class=\"hlh-callout\">\n  <strong>\u26a0 Terminology note<\/strong>\n  The terms &#8220;sandblasting media,&#8221; &#8220;blast media,&#8221; &#8220;abrasive media,&#8221; and &#8220;blasting abrasive&#8221; are used interchangeably in this guide and throughout the industry. Technically, none of them should contain silica sand \u2014 but all refer to the same product category.\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 2 \u2014 TYPES\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"types-of-sandblasting-media\">\n<h2>2. Types of Sandblasting Media Explained<\/h2>\n\n<p>Blast media is typically classified by material origin (metallic vs. mineral vs. organic vs. synthetic), by shape (angular vs. rounded), and by hardness (measured on the Mohs scale). Each combination produces a distinct surface outcome. Below we cover the six main families that account for the vast majority of industrial use.<\/p>\n\n<!-- Steel Grit & Shot -->\n<h3 id=\"steel-grit-shot\">2.1 Steel Grit &amp; Steel Shot<\/h3>\n\n<p><strong>Grains d'acier<\/strong> is manufactured by crushing and screening hardened steel shot into angular fragments. Its sharp, faceted geometry makes it exceptionally aggressive \u2014 it cuts into rust and scale rather than merely bouncing off it. Steel grit is the dominant choice for heavy-duty surface preparation on structural steel, shipyard hull plating, bridge girders, pressure vessels, wind towers, and heavy industrial equipment.<\/p>\n\n<p><strong>Grenaille d'acier<\/strong>, by contrast, retains its spherical form. Rather than cutting the surface, it peens it \u2014 imparting compressive stress and producing a smooth, dimpled finish. Steel shot is widely used in foundry descaling, automotive spring peening, and applications where a relatively smooth surface is acceptable or desirable.<\/p>\n\n<p>Both media types are recyclable through blast cabinet or blast room recovery systems, making them highly cost-effective over full project life cycles. High-quality steel grit from a reputable <strong>sandblasting media supplier<\/strong> typically achieves 200\u20132,000 blast cycles before being consumed, depending on hardness grade and equipment setup.<\/p>\n\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead><tr><th>Property<\/th><th>Grain d'acier<\/th><th>Grenaille d'acier<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>Shape<\/td><td>Angular \/ faceted<\/td><td>Spherical<\/td><\/tr>\n    <tr><td>Surface result<\/td><td>Angular anchor profile<\/td><td>Smooth peened surface<\/td><\/tr>\n    <tr><td>Primary use<\/td><td>Heavy rust\/scale removal, coating prep<\/td><td>Peening, foundry descaling<\/td><\/tr>\n    <tr><td>Recyclabilit\u00e9<\/td><td>Very high (200\u20132,000+ cycles)<\/td><td>Very high (1,000\u20133,000+ cycles)<\/td><\/tr>\n    <tr><td>Common grades<\/td><td>G10\u2013G120 (SAE J444)<\/td><td>S70\u2013S780 (SAE J827)<\/td><\/tr>\n    <tr><td>Mohs hardness<\/td><td>6.5\u20137.5 (HRC 40\u201365)<\/td><td>6.5\u20137 (HRC 40\u201355)<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<p>For a deep-dive on sourcing steel grit and steel shot \u2014 including grade specifications, HRC hardness options, bulk pricing benchmarks, and what to ask your supplier before placing a container order \u2014 see our dedicated page: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-steel-shot-suppliers-specs-grades-bulk-pricing\/\" target=\"_blank\" rel=\"noopener\">Steel Grit &amp; Steel Shot Suppliers: Specs, Grades &amp; Bulk Pricing<\/a>.<\/p>\n\n<!-- Aluminum Oxide -->\n<h3 id=\"aluminum-oxide\">2.2 Aluminum Oxide<\/h3>\n\n<p><strong>Oxyde d'aluminium<\/strong> (Al\u2082O\u2083), also marketed as alumina or corundum, is one of the hardest and most chemically stable abrasives available, sitting at Mohs 9 \u2014 just below diamond. Its extreme hardness makes it a powerhouse for cutting into very hard substrates, profiling before thermal spray coatings, etching glass and stone, and applications where rapid material removal is critical.<\/p>\n\n<p>Brown fused aluminum oxide (BFA) is the workhorse grade \u2014 affordable, widely available, and suitable for most industrial blasting tasks. White fused aluminum oxide (WFA) offers greater purity and friability, making it the preferred choice for precision surface finishing and applications where iron contamination from media must be avoided (such as stainless steel or titanium workpieces).<\/p>\n\n<p>Because aluminum oxide is a sharp, angular media with very high hardness, it breaks down relatively quickly compared to steel grit, but it still performs far better than slag abrasives in recycled blasting systems. For full sourcing guidance, specifications by grit size, and price-per-kg benchmarks for different purity grades, visit our resource page: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blasting-media-suppliers-grit-sizes-hardness-sourcing\/\" target=\"_blank\" rel=\"noopener\">Aluminum Oxide Blasting Media Suppliers: Grit Sizes, Hardness &amp; Sourcing<\/a>.<\/p>\n\n<!-- Garnet -->\n<h3 id=\"garnet\">2.3 Garnet<\/h3>\n\n<p><strong>Grenat<\/strong> is a naturally occurring silicate mineral mined primarily in Australia (GMA garnet), India (almandine garnet), and the United States. Its combination of moderate hardness (Mohs 7\u20138), angular particle shape, and low free-silica content makes it a popular choice for open-air blasting operations where dust control and worker safety are priorities.<\/p>\n\n<p>Garnet is widely used in oil and gas pipeline preparation, marine vessel maintenance, and waterjet cutting. Its low dust generation and high recyclability \u2014 typically 3\u20136 cycles in a controlled system \u2014 give it strong economic credentials despite a higher unit cost than slag abrasives. For a full comparison of GMA vs. almandine garnet grades, mesh size availability, and certified suppliers, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-abrasive-suppliers-gma-garnet-vs-almandine-mesh-sizes-bulk\/\" target=\"_blank\" rel=\"noopener\">Garnet Abrasive Suppliers: GMA Garnet vs Almandine, Mesh Sizes &amp; Bulk<\/a>.<\/p>\n\n<!-- Glass Beads & Crushed Glass -->\n<h3 id=\"glass-beads-crushed\">2.4 Glass Beads &amp; Crushed Glass<\/h3>\n\n<p><strong>Perles de verre<\/strong> are spherical, chemically inert particles manufactured from soda-lime glass. Because they are rounded, they peen rather than cut the surface, producing a smooth, bright, satin finish on stainless steel, aluminum, and other non-ferrous metals. Glass beads are the media of choice for decorative finishing, cleaning without dimensional change, and applications where a uniform sheen is required.<\/p>\n\n<p><strong>Crushed glass<\/strong> (made from recycled post-consumer glass bottles) is angular and cuts more aggressively. It provides a sharp anchor profile on steel and concrete, is lead-free and low-silica, and carries strong environmental credentials as a recycled product. For mesh size charts, recyclability data, and supplier comparison guidance, visit: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-beads-crushed-glass-blasting-media-supplier-guide-mesh-chart\/\" target=\"_blank\" rel=\"noopener\">Glass Beads &amp; Crushed Glass Blasting Media: Supplier Guide &amp; Mesh Chart<\/a>.<\/p>\n\n<!-- Slag Abrasives -->\n<h3 id=\"slag-abrasives\">2.5 Coal Slag &amp; Copper Slag<\/h3>\n\n<p><strong>Coal slag<\/strong> et <strong>copper slag<\/strong> are byproducts of power generation and copper smelting respectively. Both are inexpensive, widely available, and provide aggressive cutting action on steel surfaces. They are typically single-use media \u2014 not suitable for recycling through blast cabinet systems \u2014 and generate relatively high volumes of dust and spent abrasive waste.<\/p>\n\n<p>Despite their lower unit cost, the true cost of slag abrasives often exceeds that of recyclable media when disposal fees, dust suppression equipment, and cleanup labor are factored in. For a detailed cost and safety comparison, as well as OSHA compliance notes specific to slag abrasives, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/coal-slag-copper-slag-abrasive-suppliers-cost-safety-applications\/\" target=\"_blank\" rel=\"noopener\">Coal Slag &amp; Copper Slag Abrasive Suppliers: Cost, Safety &amp; Applications<\/a>.<\/p>\n\n<!-- Organic & Plastic -->\n<h3 id=\"organic-plastic\">2.6 Plastic Media, Walnut Shell &amp; Corn Cob<\/h3>\n\n<p>When the workpiece substrate is soft, delicate, or compositely bonded \u2014 think aircraft panels, vintage automotive sheet metal, fiberglass boat hulls, or carbon fiber structural components \u2014 conventional metallic abrasives are far too aggressive. <strong>Supports en plastique<\/strong> (angular urea or acrylic particles), <strong>walnut shell grit<\/strong>et <strong>corn cob granules<\/strong> offer effective paint stripping and cleaning without substrate damage.<\/p>\n\n<p>Walnut shell and corn cob media are biodegradable, which simplifies waste disposal. Plastic media is highly uniform, available in multiple hardness grades and sizes, and delivers consistent stripping results on aerospace and defense applications where tight dimensional tolerances must be preserved. For sourcing guidance on all three media types, visit: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-biodegradable-blast-media-suppliers-walnut-shell-corn-cob-more\/\" target=\"_blank\" rel=\"noopener\">Plastic &amp; Biodegradable Blast Media Suppliers: Walnut Shell, Corn Cob &amp; More<\/a>.<\/p>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 3 \u2014 HOW TO CHOOSE\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"how-to-choose\">\n<h2>3. How to Choose the Right Blast Media<\/h2>\n\n<p>Selecting the optimal abrasive is a multi-variable problem. The following five questions form the backbone of any competent media selection process. For a fully worked step-by-step selection methodology with decision trees and substrate-specific recommendations, see our dedicated guide: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-sandblasting-media-a-step-by-step-selection-guide\/\" target=\"_blank\" rel=\"noopener\">How to Choose Sandblasting Media: A Step-by-Step Selection Guide<\/a>.<\/p>\n\n<h3>Question 1: What is the substrate material?<\/h3>\n<p>Hard metals (structural steel, cast iron) tolerate aggressive angular abrasives. Soft metals (aluminum, copper, zinc), composites, and non-metallic substrates require softer or rounded media to avoid dimensional damage. Concrete and masonry can accept a wide range of media depending on desired profile depth.<\/p>\n\n<h3>Question 2: What surface cleanliness standard do you need to achieve?<\/h3>\n<p>ISO 8501-1 and SSPC\/NACE standards define cleanliness levels from Sa 1 (light brush-off) through Sa 3 (white metal). Most protective coating specifications require Sa 2.5 (near-white metal). Achieving Sa 2.5 on heavily corroded steel demands angular, hard media such as steel grit or aluminum oxide \u2014 rounded media cannot achieve this level consistently.<\/p>\n\n<h3>Question 3: What surface profile (anchor depth) is specified?<\/h3>\n<p>Coating manufacturers specify a minimum anchor profile depth (measured in mils or microns) for their products to achieve rated adhesion. Profile depth is primarily controlled by media grit size and particle hardness. Larger, harder grit creates deeper profiles. A G25 steel grit, for example, typically produces a 50\u201380 \u00b5m profile; G80 produces 15\u201330 \u00b5m.<\/p>\n\n<h3>Question 4: Is the process open-air or in a blast cabinet\/room?<\/h3>\n<p>In enclosed blast rooms or cabinets with abrasive recovery systems, recyclable media (steel grit, aluminum oxide, garnet) deliver the lowest cost per square meter over time. Open-air, once-through applications \u2014 common in field blasting \u2014 can economically use single-use slag or crushed glass abrasives, provided disposal costs are factored.<\/p>\n\n<h3>Question 5: Are there environmental or health constraints?<\/h3>\n<p>OSHA 1910.94 and OSHA 1926.57 regulate permissible dust exposure levels. California, Texas, and other states impose additional regulations on spent abrasive disposal. Media with higher free-silica content, higher heavy-metal contamination risk (some slags), or very fine particle size distributions require enhanced respiratory protection and disposal protocols. When in doubt, choose a low-silica, low-heavy-metal media with documented safety data sheets (SDS).<\/p>\n\n<div class=\"hlh-callout hlh-callout-tip\">\n  <strong>\u2705 Quick selection rule of thumb<\/strong>\n  Heavy rust + steel substrate + enclosed blast room \u2192 Steel grit G25 or G40. Light cleaning + aluminum substrate \u2192 Glass bead #10\u2013#13. Aggressive profile + once-through field blasting \u2192 Garnet 30\/60 or coal slag. Delicate composite stripping \u2192 Plastic media Type I or Type II.\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 4 \u2014 GRIT SIZE CHART\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"grit-size-chart\">\n<h2>4. Grit Size &amp; Mesh Reference Chart<\/h2>\n\n<p>Abrasive grit size is expressed differently depending on the media type: SAE grades (G10\u2013G120) for steel grit and shot; FEPA\/ANSI mesh numbers for aluminum oxide and garnet; and manufacturer proprietary codes for glass beads and plastic media. Understanding grit size is essential for specifying the right anchor profile and blast rate. For a full cross-reference table including mesh number, micron size, typical profile depth, and compatible blast equipment, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-grit-size-chart-what-each-mesh-number-means\/\" target=\"_blank\" rel=\"noopener\">Sandblasting Media Grit Size Chart: What Each Mesh Number Means<\/a>.<\/p>\n\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead>\n    <tr>\n      <th>SAE Grade (Steel)<\/th>\n      <th>Nominal Size (mm)<\/th>\n      <th>Typical Profile Depth<\/th>\n      <th>Common Application<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>G10<\/td><td>2.0 mm<\/td><td>100\u2013150 \u00b5m<\/td><td>Heavy mill scale, thick coatings<\/td><\/tr>\n    <tr><td>G16<\/td><td>1.4 mm<\/td><td>80\u2013120 \u00b5m<\/td><td>Heavy industrial steel structures<\/td><\/tr>\n    <tr><td>G25<\/td><td>1.0 mm<\/td><td>50\u201380 \u00b5m<\/td><td>Standard Sa 2.5 preparation<\/td><\/tr>\n    <tr><td>G40<\/td><td>0.6 mm<\/td><td>35\u201360 \u00b5m<\/td><td>General structural steel<\/td><\/tr>\n    <tr><td>G80<\/td><td>0.3 mm<\/td><td>15\u201330 \u00b5m<\/td><td>Thin coatings, precise profiling<\/td><\/tr>\n    <tr><td>G120<\/td><td>0.18 mm<\/td><td>8\u201318 \u00b5m<\/td><td>Fine finishing, automotive<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead>\n    <tr>\n      <th>FEPA Mesh (Al\u2082O\u2083 \/ Garnet)<\/th>\n      <th>Particle Size (\u00b5m)<\/th>\n      <th>Typical Use<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>#16 \/ #24<\/td><td>1180\u2013710 \u00b5m<\/td><td>Aggressive profiling, coating removal<\/td><\/tr>\n    <tr><td>#36 \/ #46<\/td><td>500\u2013425 \u00b5m<\/td><td>Rust removal, heavy preparation<\/td><\/tr>\n    <tr><td>#60 \/ #80<\/td><td>250\u2013180 \u00b5m<\/td><td>General surface prep, Sa 2.5<\/td><\/tr>\n    <tr><td>#120 \/ #150<\/td><td>125\u2013106 \u00b5m<\/td><td>Precision profiling, light cleaning<\/td><\/tr>\n    <tr><td>#220 \/ #280<\/td><td>75\u201353 \u00b5m<\/td><td>Fine finishing, glass etching<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 5 \u2014 APPLICATION USE CASES\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"application-use-cases\">\n<h2>5. Application Use Cases by Industry<\/h2>\n\n<p>No single abrasive is optimal for every blasting task. The following industry-by-industry breakdown highlights the most common media choices for each application environment. For in-depth application guides, explore our dedicated pages on <a href=\"https:\/\/hlh-js.com\/resource\/blog\/best-sandblasting-media-for-rust-removal-steel-shipyards-heavy-equipment\/\" target=\"_blank\" rel=\"noopener\">rust removal on steel and heavy equipment<\/a>, as well as <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blast-media-for-automotive-aerospace-non-destructive-stripping-solutions\/\" target=\"_blank\" rel=\"noopener\">automotive and aerospace non-destructive stripping<\/a>.<\/p>\n\n<div class=\"hlh-card-grid\">\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><path d=\"M4 7l8-4 8 4v10l-8 4-8-4V7z\"\/><\/svg>\n    <\/div>\n    <h4>Structural Steel &amp; Bridges<\/h4>\n    <p>Steel grit G25\u2013G40 is the near-universal choice for Sa 2.5 preparation before epoxy or polyurethane coatings. Garnet 30\/60 is preferred for open-air bridge work due to low dust generation.<\/p>\n  <\/div>\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><path d=\"M3 17l2-8h14l2 8H3zm0 0v2h18v-2M7 7V5a5 5 0 0 1 10 0v2\"\/><\/svg>\n    <\/div>\n    <h4>Shipbuilding &amp; Marine<\/h4>\n    <p>Ship hull blasting demands high productivity \u2014 steel grit G16\u2013G25 in centrifugal wheel blast machines dominates. Garnet is popular for field touch-up and waterjet-cut plate edges.<\/p>\n  <\/div>\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><circle cx=\"12\" cy=\"12\" r=\"3\"\/><path d=\"M12 2v4m0 12v4m8-8h-4M8 12H4m11.3-5.3-2.8 2.8M9.5 14.5l-2.8 2.8m11.3 2.5-2.8-2.8M9.5 9.5 6.7 6.7\"\/><\/svg>\n    <\/div>\n    <h4>Oil &amp; Gas Pipeline<\/h4>\n    <p>FBE (fusion-bonded epoxy) coating specs typically require an anchor profile of 50\u2013100 \u00b5m. Steel grit G25 or garnet 30\/60 are both widely certified for NACE SP0188 compliance.<\/p>\n  <\/div>\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><path d=\"M12 3L1 9l11 6 9-4.9V17m0 4v-4\"\/><\/svg>\n    <\/div>\n    <h4>Automotive Restoration<\/h4>\n    <p>Glass beads for bright finishing on chrome and aluminum. Plastic media for paint stripping from thin sheet metal without warping. Walnut shell for interior trim and upholstery-adjacent work.<\/p>\n  <\/div>\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><path d=\"M9 3H5a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2V9l-6-6z\"\/><\/svg>\n    <\/div>\n    <h4>Aerospace &amp; Defense<\/h4>\n    <p>Plastic media (Type I, II, IV) certified to MIL-P-85891A for composite and aluminum aircraft skins. Shot peening of titanium and high-strength steel components uses cast steel or ceramic shot.<\/p>\n  <\/div>\n  <div class=\"hlh-card\">\n    <div class=\"hlh-card-icon\">\n      <svg viewbox=\"0 0 24 24\"><rect x=\"3\" y=\"3\" width=\"18\" height=\"18\" rx=\"3\"\/><path d=\"M3 9h18M9 21V9\"\/><\/svg>\n    <\/div>\n    <h4>Concrete &amp; Masonry<\/h4>\n    <p>Crushed glass or steel shot for surface profiling before industrial floor coatings. Aluminum oxide for aggressive removal of epoxy or polyurethane coatings from concrete. More detail: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/concrete-masonry-blasting-media-surface-prep-before-epoxy-or-coating\/\" target=\"_blank\" rel=\"noopener\">Concrete &amp; Masonry Blasting Media Guide<\/a>.<\/p>\n  <\/div>\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 6 \u2014 OSHA SAFETY\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"osha-safety\">\n<h2>6. OSHA Safety &amp; Silica Sand Regulations<\/h2>\n\n<p>Perhaps the most critical regulatory issue in abrasive blasting is the prohibition on crystalline silica sand. The full regulatory picture \u2014 including OSHA&#8217;s 2016 Silica Rule (29 CFR 1910.1053 and 1926.1153), permissible exposure limits (PEL of 50 \u00b5g\/m\u00b3 as an 8-hour TWA), and specific safe alternatives \u2014 is covered in detail in our compliance guide: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/osha-sandblasting-safety-why-silica-sand-is-banned-and-what-to-use-instead\/\" target=\"_blank\" rel=\"noopener\">OSHA Sandblasting Safety: Why Silica Sand Is Banned and What to Use Instead<\/a>.<\/p>\n\n<div class=\"hlh-callout hlh-callout-warn\">\n  <strong>\u26a0 Critical compliance warning<\/strong>\n  Using crystalline silica sand as an abrasive blasting material violates OSHA standards in virtually all professional and commercial applications in the United States and most of Europe. Violations can result in fines exceeding $156,259 per willful violation (2026 rates) and potential criminal liability in cases of worker illness. Confirmed-safe alternatives include steel grit, steel shot, garnet, aluminum oxide, crushed glass, and coal slag \u2014 all of which contain less than 1% free silica.\n<\/div>\n\n<h3>Key OSHA Compliance Requirements for Blast Operations<\/h3>\n<ul>\n  <li><strong>Engineering controls:<\/strong> Enclosed blast rooms or blast cabinets with dust collection and HEPA filtration are required wherever feasible before respiratory protection is relied upon.<\/li>\n  <li><strong>Respiratory protection:<\/strong> At minimum, a supplied-air respirator (SAR) rated for abrasive blasting is required. A standard dust mask is inadequate and does not comply.<\/li>\n  <li><strong>Medical surveillance:<\/strong> Workers with potential silica exposure above the action level (25 \u00b5g\/m\u00b3 as an 8-hour TWA) must receive baseline and periodic medical examinations.<\/li>\n  <li><strong>Hazard communication:<\/strong> Current Safety Data Sheets (SDS) must be available for all blast media used. Suppliers are required to provide SDS under OSHA&#8217;s Hazard Communication Standard (29 CFR 1910.1200).<\/li>\n  <li><strong>Spent abrasive disposal:<\/strong> Spent blast media may be classified as hazardous waste depending on the substrate coatings removed (lead paint, chromium, etc.). Consult your state environmental agency before disposal.<\/li>\n<\/ul>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 7 \u2014 REUSABLE vs SINGLE-USE\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"reusable-vs-single-use\">\n<h2>7. Reusable vs. Single-Use Media: True Cost Analysis<\/h2>\n\n<p>One of the most common procurement mistakes is selecting blast media purely on unit price (cost per ton) without accounting for consumption rate, reusability, and disposal costs. A full lifecycle cost model almost always reveals that recyclable metallic abrasives \u2014 despite higher upfront costs \u2014 deliver lower cost per square meter of prepared surface. Our detailed cost-per-cycle analysis with worked examples is available at: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/reusable-vs-single-use-blast-media-cost-per-cycle-analysis\/\" target=\"_blank\" rel=\"noopener\">Reusable vs Single-Use Blast Media: Cost-Per-Cycle Analysis<\/a>.<\/p>\n\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead>\n    <tr>\n      <th>Type de m\u00e9dia<\/th>\n      <th>Unit Cost (USD\/ton)<\/th>\n      <th>Avg. Recycle Cycles<\/th>\n      <th>Disposal Cost Factor<\/th>\n      <th>True Cost\/m\u00b2*<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>Steel grit G25<\/td><td>$450\u2013$700<\/td><td>500\u20131,500<\/td><td>Low (inert metal)<\/td><td>$0.04\u2013$0.12<\/td><\/tr>\n    <tr><td>Aluminum oxide #36<\/td><td>$600\u2013$900<\/td><td>50\u2013150<\/td><td>Low (inert ceramic)<\/td><td>$0.06\u2013$0.18<\/td><\/tr>\n    <tr><td>GMA garnet 30\/60<\/td><td>$350\u2013$550<\/td><td>3\u20136<\/td><td>Faible<\/td><td>$0.15\u2013$0.35<\/td><\/tr>\n    <tr><td>Coal slag<\/td><td>$80\u2013$180<\/td><td>1 (single-use)<\/td><td>Medium\u2013High<\/td><td>$0.20\u2013$0.60<\/td><\/tr>\n    <tr><td>Crushed glass<\/td><td>$120\u2013$250<\/td><td>1\u20132<\/td><td>Low (recycled)<\/td><td>$0.18\u2013$0.45<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size:12px;color:#666\">*Approximate figures for enclosed blast room operations. Open-air figures will vary significantly. Based on typical consumption rates of 50\u2013200 kg\/m\u00b2 for initial blast cycles. Disposal costs estimated at $80\u2013$200\/ton for non-hazardous spent abrasive.<\/p>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 8 \u2014 BULK PACKAGING\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"bulk-packaging\">\n<h2>8. Bulk Packaging, MOQ &amp; International Freight Guide<\/h2>\n\n<p>Understanding how abrasive blast media is packaged and shipped is essential for accurate landed-cost calculations, particularly when sourcing from overseas manufacturers. For a comprehensive breakdown of packaging formats, minimum order quantities, container loading calculations, and what to include in your freight quote request, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/bulk-sandblasting-media-packaging-options-moq-freight-guide-for-buyers\/\" target=\"_blank\" rel=\"noopener\">Bulk Sandblasting Media: Packaging Options, MOQ &amp; Freight Guide for Buyers<\/a>.<\/p>\n\n<h3>Standard Packaging Formats<\/h3>\n<ul>\n  <li><strong>25 kg (55 lb) paper or PE bags:<\/strong> Most common for smaller orders, lab samples, or testing quantities. Palletized at 40\u201350 bags per pallet (1\u20131.25 MT per pallet).<\/li>\n  <li><strong>500 kg jumbo bags (FIBC):<\/strong> Efficient for mid-volume buyers with forklift access. Reduces per-unit handling cost significantly vs. 25 kg bags.<\/li>\n  <li><strong>1,000 kg (1 MT) super-sacks:<\/strong> Standard for larger blast rooms and high-volume industrial users. One 20-foot container typically holds 18\u201322 MT of steel grit in this format.<\/li>\n  <li><strong>Bulk loose (pneumatic truck delivery):<\/strong> Lowest cost per ton for very high-volume blast facilities with silo storage. Available from regional distribution hubs in North America and Europe.<\/li>\n<\/ul>\n\n<h3>Container Loading Reference (Steel Grit G25)<\/h3>\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead><tr><th>Container Type<\/th><th>Payload Capacity<\/th><th>Est. Steel Grit Volume (MT)<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>20&#8242; GP (standard)<\/td><td>~28 MT<\/td><td>20\u201324 MT (weight limited)<\/td><\/tr>\n    <tr><td>40&#8242; GP (standard)<\/td><td>~28 MT<\/td><td>20\u201326 MT (weight limited)<\/td><\/tr>\n    <tr><td>40&#8242; HC (high cube)<\/td><td>~30 MT<\/td><td>22\u201328 MT<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<div class=\"hlh-callout\">\n  <strong>\ud83d\udce6 Buyer tip<\/strong>\n  Steel abrasives are weight-dense \u2014 a standard 20&#8242; container reaches its weight limit (21\u201324 MT) long before reaching its volume limit. Always calculate payload on a weight basis, not a volume basis. Confirm the maximum payload with your freight forwarder for the specific destination country, as axle weight limits on inland transport can further restrict per-container loads.\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 9 \u2014 SUPPLIER EVALUATION\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"supplier-evaluation\">\n<h2>9. How to Evaluate a Sandblasting Media Supplier: 8 Quality Checkpoints<\/h2>\n\n<p>Whether you are sourcing domestically or from an overseas manufacturer, a systematic supplier evaluation process protects your projects from substandard abrasive that causes rework, equipment damage, or health &amp; safety violations. Our full 8-point supplier evaluation checklist \u2014 with sample audit questions and red flags \u2014 is available at: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-evaluate-a-sandblasting-media-supplier-8-quality-checkpoints\/\" target=\"_blank\" rel=\"noopener\">How to Evaluate a Sandblasting Media Supplier: 8 Quality Checkpoints<\/a>.<\/p>\n\n<p>Below is a summary of the eight dimensions to assess:<\/p>\n\n<ol>\n  <li><strong>Product certifications:<\/strong> Does the supplier hold ISO 9001:2015 certification? Can they provide mill test certificates (MTCs) and SDS for every product? Are steel abrasives certified to SAE J444 \/ ISO 11124?<\/li>\n  <li><strong>Chemical composition control:<\/strong> For steel abrasives, check carbon content (typically 0.7\u20131.2% for grit), manganese, silicon, and sulfur levels. For aluminum oxide, check Al\u2082O\u2083 purity (&gt;95% for BFA, &gt;99% for WFA).<\/li>\n  <li><strong>Particle size distribution (PSD) testing:<\/strong> Reputable suppliers provide sieve analysis data for each production batch. Out-of-spec fines and oversized particles both reduce blast efficiency and surface quality.<\/li>\n  <li><strong>Free silica content:<\/strong> Any supplier providing abrasive for blasting applications must be able to certify free silica content below 1% (ideally &lt;0.1%) per their SDS. This is non-negotiable for OSHA compliance.<\/li>\n  <li><strong>Hardness consistency:<\/strong> For steel grit, HRC hardness should be tested per SAE J827. Inconsistent hardness causes erratic surface profiles and accelerated equipment wear.<\/li>\n  <li><strong>Moisture content:<\/strong> Wet media clogs blast machines, reduces blasting efficiency, and promotes rust contamination on freshly blasted surfaces. Specification is typically &lt;0.5% moisture by weight.<\/li>\n  <li><strong>References and export track record:<\/strong> Ask for references from buyers in your industry and country. A supplier with established export documentation experience (HS codes, COA, phytosanitary certificates for organic media) reduces customs risk.<\/li>\n  <li><strong>Sampling policy:<\/strong> Any credible abrasive supplier should provide a certified sample shipment (typically 25\u201350 kg) before a full container order. Walk away from suppliers who refuse to provide samples.<\/li>\n<\/ol>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 10 \u2014 COMPARE MEDIA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"compare-media\">\n<h2>10. Steel Grit vs. Aluminum Oxide vs. Garnet: Side-by-Side Comparison<\/h2>\n\n<p>These three abrasives are the most frequently compared by industrial buyers sourcing for the first time or switching media types. Each has a distinct performance profile that makes it optimal for specific applications. A full head-to-head comparison \u2014 including cost modelling, application suitability matrices, and supplier selection factors \u2014 is available at: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-vs-aluminum-oxide-vs-garnet-which-blast-media-is-right-for-you\/\" target=\"_blank\" rel=\"noopener\">Steel Grit vs Aluminum Oxide vs Garnet: Which Blast Media Is Right for You?<\/a><\/p>\n\n<div class=\"hlh-table-wrap\">\n<table class=\"hlh-table\">\n  <thead>\n    <tr>\n      <th>Criterion<\/th>\n      <th>Steel Grit G25<\/th>\n      <th>Aluminum Oxide #36<\/th>\n      <th>Garnet 30\/60<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr><td>Mohs hardness<\/td><td>6.5\u20137.5<\/td><td>9.0<\/td><td>7.0\u20138.0<\/td><\/tr>\n    <tr><td>Shape<\/td><td>Angulaire<\/td><td>Angular \/ sharp<\/td><td>Sub-angular<\/td><\/tr>\n    <tr><td>Recyclabilit\u00e9<\/td><td>Excellent (500\u20131,500 cycles)<\/td><td>Good (50\u2013150 cycles)<\/td><td>Fair (3\u20136 cycles)<\/td><\/tr>\n    <tr><td>G\u00e9n\u00e9ration de poussi\u00e8re<\/td><td>Faible<\/td><td>Mod\u00e9r\u00e9<\/td><td>Low\u2013Moderate<\/td><\/tr>\n    <tr><td>Typical profile depth<\/td><td>50\u201380 \u00b5m (G25)<\/td><td>40\u201370 \u00b5m (#36)<\/td><td>40\u201365 \u00b5m<\/td><\/tr>\n    <tr><td>Iron contamination risk<\/td><td>Yes (metallic)<\/td><td>No<\/td><td>No<\/td><\/tr>\n    <tr><td>Best for<\/td><td>Structural steel, shipyards, blast rooms<\/td><td>Hard surfaces, thermal spray prep, non-ferrous<\/td><td>Open-air blasting, pipeline, OSHA-sensitive sites<\/td><\/tr>\n    <tr><td>Approx. cost\/ton (FOB)<\/td><td>$450\u2013$700<\/td><td>$600\u2013$900<\/td><td>$350\u2013$550<\/td><\/tr>\n    <tr><td>True cost\/m\u00b2 (enclosed)<\/td><td>$0.04\u2013$0.12<\/td><td>$0.06\u2013$0.18<\/td><td>$0.15\u2013$0.35<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 11 \u2014 SURFACE PROFILE\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"surface-profile\">\n<h2>11. Surface Profile &amp; Sa Rating: Matching Blast Media to Coating Specifications<\/h2>\n\n<p>One of the most technically important \u2014 and most frequently misunderstood \u2014 aspects of abrasive blasting is the relationship between blast media selection and the resulting surface profile and cleanliness rating. Coating manufacturers specify both a cleanliness level (Sa 1 through Sa 3 per ISO 8501-1) and a surface profile depth range (typically expressed in microns or mils). If your blast media cannot achieve the specified profile, the coating system will fail prematurely \u2014 regardless of the quality of the coating itself.<\/p>\n\n<p>Our in-depth resource on surface profiling \u2014 including how to measure anchor depth with Testex tape or BMG profilometers, how to read ISO 8503 surface profile comparators, and which media reliably achieves which Sa and Rz values \u2014 is available here: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/surface-profile-sa-rating-guide-matching-blast-media-to-coating-specs\/\" target=\"_blank\" rel=\"noopener\">Surface Profile &amp; Sa Rating Guide: Matching Blast Media to Coating Specs<\/a>.<\/p>\n\n<h3>Cleanliness Level Summary<\/h3>\n<ul>\n  <li><strong>Sa 1 \u2014 Brush-off blast:<\/strong> Loose scale, rust, paint removed. Tightly adhering residues remain. Lowest performance specification; rarely adequate for protective coatings.<\/li>\n  <li><strong>Sa 2 \u2014 Commercial blast:<\/strong> Most scale, rust, and paint removed. Acceptable for many industrial coatings in non-critical environments.<\/li>\n  <li><strong>Sa 2.5 \u2014 Near-white metal:<\/strong> At least 95% of the surface is free of all visible contaminants. Required by the vast majority of heavy-duty industrial and marine coating specifications. This is the most common specification for new construction and major maintenance.<\/li>\n  <li><strong>Sa 3 \u2014 White metal:<\/strong> 100% free of all mill scale, rust, paint, and foreign matter. Required for immersion service, extreme chemical environments, and some offshore applications. Achievable only with angular metallic abrasives at adequate blast pressure.<\/li>\n<\/ul>\n\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     CLUSTER NAVIGATION SECTION\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"cluster-links\">\n<h2>Explore the Full Resource Library<\/h2>\n<p>The articles below form our complete sandblasting media knowledge base. Each page goes deep on its topic \u2014 from product-specific sourcing guides to application engineering and supplier evaluation. Every cluster page links back to this pillar guide as your central reference point.<\/p>\n\n<div class=\"hlh-cluster-grid\">\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Steel Grit &amp; Steel Shot Suppliers<\/h4>\n    <p>SAE grades, HRC hardness options, bulk pricing benchmarks, and pre-order checklist for metallic abrasives.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-steel-shot-suppliers-specs-grades-bulk-pricing\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Aluminum Oxide Blasting Media Suppliers<\/h4>\n    <p>Brown vs. white fused alumina, purity grades, grit size chart, and sourcing from certified manufacturers.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blasting-media-suppliers-grit-sizes-hardness-sourcing\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Garnet Abrasive Suppliers<\/h4>\n    <p>GMA garnet vs. almandine, mesh size availability, waterjet vs. blast-grade differences, and bulk sourcing.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-abrasive-suppliers-gma-garnet-vs-almandine-mesh-sizes-bulk\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Glass Beads &amp; Crushed Glass<\/h4>\n    <p>Mesh chart for glass beads, recycled crushed glass credentials, recyclability data, and supplier comparison.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-beads-crushed-glass-blasting-media-supplier-guide-mesh-chart\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Coal Slag &amp; Copper Slag Abrasives<\/h4>\n    <p>Cost vs. safety tradeoffs, disposal regulations, OSHA compliance notes, and total-cost comparison with alternatives.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/coal-slag-copper-slag-abrasive-suppliers-cost-safety-applications\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Product Guide<\/span>\n    <h4>Plastic &amp; Biodegradable Blast Media<\/h4>\n    <p>Walnut shell, corn cob, and plastic media for delicate substrates \u2014 sourcing, specs, and applications.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-biodegradable-blast-media-suppliers-walnut-shell-corn-cob-more\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Selection Guide<\/span>\n    <h4>How to Choose Sandblasting Media<\/h4>\n    <p>Step-by-step decision framework covering substrate, cleanliness standard, profile depth, and operational constraints.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-sandblasting-media-a-step-by-step-selection-guide\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">R\u00e9f\u00e9rence<\/span>\n    <h4>Grit Size &amp; Mesh Chart<\/h4>\n    <p>Cross-reference table: SAE grades, FEPA mesh numbers, micron sizes, profile depths, and equipment compatibility.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-grit-size-chart-what-each-mesh-number-means\/\" target=\"_blank\" rel=\"noopener\">View the chart \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Cost Analysis<\/span>\n    <h4>Reusable vs. Single-Use Blast Media<\/h4>\n    <p>Full lifecycle cost model comparing steel grit, garnet, and slag on a true cost-per-square-meter basis.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/reusable-vs-single-use-blast-media-cost-per-cycle-analysis\/\" target=\"_blank\" rel=\"noopener\">Read the analysis \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Compliance<\/span>\n    <h4>OSHA Safety: Why Silica Sand Is Banned<\/h4>\n    <p>OSHA regulations, PEL thresholds, required controls, and certified safe alternatives to silica sand blasting.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/osha-sandblasting-safety-why-silica-sand-is-banned-and-what-to-use-instead\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Technical<\/span>\n    <h4>Surface Profile &amp; Sa Rating Guide<\/h4>\n    <p>How to read coating specifications, measure anchor depth, and select media to meet Sa 2.5 and Sa 3 requirements.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/surface-profile-sa-rating-guide-matching-blast-media-to-coating-specs\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Comparison<\/span>\n    <h4>Steel Grit vs. Aluminum Oxide vs. Garnet<\/h4>\n    <p>Side-by-side technical and cost comparison to help buyers select the right abrasive for their specific project.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-vs-aluminum-oxide-vs-garnet-which-blast-media-is-right-for-you\/\" target=\"_blank\" rel=\"noopener\">Compare now \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Application<\/span>\n    <h4>Blast Media for Rust Removal<\/h4>\n    <p>Best media for steel, shipyard hulls, and heavy equipment \u2014 with productivity benchmarks and spec compliance guidance.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/best-sandblasting-media-for-rust-removal-steel-shipyards-heavy-equipment\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Application<\/span>\n    <h4>Automotive &amp; Aerospace Blast Media<\/h4>\n    <p>Non-destructive stripping solutions for composite, aluminum, and high-strength steel aircraft and vehicle components.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blast-media-for-automotive-aerospace-non-destructive-stripping-solutions\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Application<\/span>\n    <h4>Concrete &amp; Masonry Blasting Media<\/h4>\n    <p>Surface prep before epoxy, polyurethane, and industrial floor coatings \u2014 media selection and profile depth guidance.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/concrete-masonry-blasting-media-surface-prep-before-epoxy-or-coating\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Procurement<\/span>\n    <h4>Bulk Sandblasting Media: Packaging &amp; Freight<\/h4>\n    <p>Container loading data, MOQ benchmarks, FIBC vs. bag comparison, and landed-cost calculation framework.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/bulk-sandblasting-media-packaging-options-moq-freight-guide-for-buyers\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Procurement<\/span>\n    <h4>How to Evaluate a Blast Media Supplier<\/h4>\n    <p>8-checkpoint audit framework covering certifications, PSD testing, silica content, and sampling policies.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-evaluate-a-sandblasting-media-supplier-8-quality-checkpoints\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n  <div class=\"hlh-cluster-card\">\n    <span class=\"hlh-cluster-tag\">Procurement<\/span>\n    <h4>China vs. USA Sandblasting Media Suppliers<\/h4>\n    <p>Honest comparison of quality, lead time, MOQ, certification, and total landed cost for overseas abrasive sourcing.<\/p>\n    <a href=\"https:\/\/hlh-js.com\/resource\/blog\/china-vs-usa-sandblasting-media-suppliers-quality-lead-time-cost-reality\/\" target=\"_blank\" rel=\"noopener\">Read the guide \u2192<\/a>\n  <\/div>\n\n<\/div>\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     SECTION 12 \u2014 FAQ (Schema-ready)\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n<h2>12. Frequently Asked Questions<\/h2>\n\n<div class=\"hlh-faq\">\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">What is the most commonly used sandblasting media for structural steel?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">Steel grit \u2014 specifically SAE grade G25 or G40 \u2014 is the dominant choice for Sa 2.5 surface preparation of structural steel in blast rooms and blast cabinets. It delivers an aggressive angular profile (typically 40\u201380 \u00b5m), is recyclable for hundreds to thousands of cycles, and is cost-effective on a per-square-meter basis. For open-air field blasting where dust is a concern, garnet 30\/60 is the next most common choice.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">Is sandblasting with regular sand (silica sand) legal?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">No. The use of crystalline silica sand as an abrasive blasting material is effectively prohibited in all professional commercial and industrial applications in the United States under OSHA 29 CFR 1910.94 and 1926.57, and similarly restricted throughout the European Union, Australia, and most industrialized nations. The reason is silicosis \u2014 a fatal, irreversible lung disease caused by inhalation of fine silica dust. Modern alternatives such as steel grit, garnet, aluminum oxide, and crushed glass all contain less than 1% free silica and are OSHA-compliant.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">How do I calculate how much blast media I need for a project?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">For a first-blast estimate, use a consumption rate of 50\u2013150 kg per square meter of surface area for steel grit in an enclosed blast room, depending on the degree of contamination and desired profile. For once-through slag abrasives, consumption rates are typically 100\u2013250 kg\/m\u00b2. Multiply the surface area (m\u00b2) by the applicable consumption rate (kg\/m\u00b2), then add 10\u201315% buffer for startup losses, equipment loading, and underbed. Always request detailed consumption data from your supplier based on your specific media grade, blast pressure, and equipment type.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">What is the minimum order quantity (MOQ) for abrasive blast media from a Chinese manufacturer?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">Most Chinese abrasive manufacturers set a minimum order quantity of one full 20-foot container (FCL), which typically holds 18\u201324 metric tons of steel abrasive depending on packaging format. Some manufacturers offer less-than-container loads (LCL) for first-time buyers or sample orders, but the per-ton freight cost rises significantly. If you are placing a first order, many reputable suppliers will ship a certified sample of 25\u201350 kg via courier before you commit to an FCL order \u2014 this is standard practice and should be expected from any credible supplier.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">How do I know if a sandblasting media supplier is reliable?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">Key reliability indicators include: ISO 9001:2015 certification with a verifiable certificate number, ability to provide mill test certificates (MTC) and third-party lab test reports for each production batch, documented SDS showing free silica content below 1%, references from existing customers in your industry and country, a clear sampling policy before full orders, and transparent export documentation experience. Suppliers who cannot provide batch-level test reports or who refuse sample shipments should be avoided.<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"hlh-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n    <div class=\"hlh-faq-q\" itemprop=\"name\">Can I reuse blast media? How many times?<\/div>\n    <div class=\"hlh-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n      <div itemprop=\"text\">Yes, if you are operating an enclosed blast room or blast cabinet with an abrasive recovery and classification system. Steel grit is the most recyclable, achieving 200\u20132,000+ cycles depending on hardness grade and blast parameters. High-hardness steel grit (HRC 60\u201365) lasts longer but is more brittle; medium-hardness grit (HRC 40\u201350) is tougher and more resistant to fracture. Garnet achieves 3\u20136 cycles. Coal slag and copper slag are generally single-use only. Open-air blasting operations using pressure pots cannot practically recover and reuse media.<\/div>\n    <\/div>\n  <\/div>\n\n<\/div>\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     CONCLUSION\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<section id=\"conclusion\">\n<h2>13. Conclusion &amp; Next Steps<\/h2>\n\n<p>Selecting the right <strong>sandblasting media supplier<\/strong> is never a simple price comparison. It requires matching media type to substrate and coating specification, understanding the true cost-per-cycle economics of recyclable vs. single-use abrasives, verifying OSHA and international safety compliance, and rigorously vetting supplier quality systems before placing a full container order.<\/p>\n\n<p>The key takeaways from this guide are:<\/p>\n<ul>\n  <li><strong>Silica sand is not an option<\/strong> \u2014 any specification that calls for it is out of date and non-compliant with OSHA regulations.<\/li>\n  <li><strong>Steel grit remains the lowest true cost-per-m\u00b2<\/strong> for high-volume enclosed blast operations on ferrous substrates.<\/li>\n  <li><strong>Garnet and aluminum oxide<\/strong> each have strong niches: garnet for low-dust open-air blasting, aluminum oxide for hard substrates and non-ferrous applications.<\/li>\n  <li><strong>Supplier certification and batch-level test data<\/strong> are non-negotiable \u2014 especially when sourcing internationally.<\/li>\n  <li><strong>Packaging and logistics planning<\/strong> significantly affects landed cost \u2014 understand container payload limits and freight options before comparing supplier quotes.<\/li>\n<\/ul>\n\n<p><strong>Jiangsu Henglihong Technology Co. Ltd.<\/strong> manufactures and exports a complete range of abrasive blasting media \u2014 from SAE-certified steel grit and steel shot to brown and white fused aluminum oxide \u2014 to industrial buyers across North America, Europe, the Middle East, and Asia-Pacific. Our team of technical specialists can help you select the right media grade for your specific application, provide certified sample shipments, and prepare accurate landed-cost quotations for any destination port.<\/p>\n\n<p>Ready to discuss your project requirements? Our technical sales team responds to all enquiries within one business day.<\/p>\n<\/section>\n\n<!-- \u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\n     CTA\n\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550\u2550 -->\n<div class=\"hlh-cta\">\n  <h2>Get a Free Technical Consultation &amp; Quote<\/h2>\n  <p>Tell us your substrate, surface standard, and target volume \u2014 our specialists will recommend the right abrasive grade and provide a competitive FOB price within 24 hours.<\/p>\n  <a class=\"hlh-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Contact Our Technical Team \u2192<\/a>\n<\/div>\n\n<!-- JSON-LD Schema -->\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Sandblasting Media Suppliers: The Industrial Buyer's Complete Guide (2026)\",\n    \"description\": \"Comprehensive guide covering all types of abrasive blast media, how to choose a sandblasting media supplier, OSHA compliance, grit size charts, cost-per-cycle analysis, and supplier evaluation criteria.\",\n    \"datePublished\": \"2026-05-01\",\n    \"dateModified\": \"2026-05-01\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\\\/\"\n    }\n}<\/script>\n\n<\/article>","protected":false},"excerpt":{"rendered":"<p>Industrial Abrasive Resource \u00b7 May 2026 Sandblasting Media Suppliers: The  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13023,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/comments?post=13020"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13020\/revisions"}],"predecessor-version":[{"id":13022,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13020\/revisions\/13022"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media\/13023"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media?parent=13020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/categories?post=13020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/tags?post=13020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}