{"id":12790,"date":"2026-04-13T02:23:23","date_gmt":"2026-04-13T02:23:23","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12790"},"modified":"2026-04-14T03:34:36","modified_gmt":"2026-04-14T03:34:36","slug":"types-of-blasting-media-complete-guide","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/de\/resource\/blog\/types-of-blasting-media-complete-guide\/","title":{"rendered":"Types of Blasting Media: A Complete Guide to Every Major Abrasive"},"content":{"rendered":"<!-- ============================================================\n     CLUSTER 1: Types of Blasting Media \u2014 Complete Guide\n     Jiangsu Henglihong Technology Co., Ltd.\n     URL: https:\/\/hlh-js.com\/resource\/blog\/types-of-blasting-media-complete-guide\/\n     Pillar back-link: https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\n     Word count target: ~2,500 words\n     Updated: March 2026\n     ============================================================ --><!-- ===== JSON-LD SCHEMA ===== -->\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@graph\": [\n        {\n            \"@type\": \"Article\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/types-of-blasting-media-complete-guide\\\/#article\",\n            \"headline\": \"Types of Blasting Media: Complete Guide to Every Major Abrasive (2026)\",\n            \"description\": \"A complete technical guide to all major types of blasting media \\u2014 aluminum oxide, garnet, glass bead, steel grit, silicon carbide, plastic media, and more. Includes hardness, shape, profile, recyclability, and application data for industrial buyers.\",\n            \"image\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/types-of-blasting-media-guide.jpg\",\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                \"logo\": {\n                    \"@type\": \"ImageObject\",\n                    \"url\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/logo.png\"\n                }\n            },\n            \"datePublished\": \"2026-03-01\",\n            \"dateModified\": \"2026-03-23\",\n            \"mainEntityOfPage\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/types-of-blasting-media-complete-guide\\\/\"\n        },\n        {\n            \"@type\": \"FAQPage\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/types-of-blasting-media-complete-guide\\\/#faq\",\n            \"mainEntity\": [\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What are the main types of blasting media?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"The main types of blasting media include aluminum oxide, silicon carbide, garnet, glass bead, steel grit, steel shot, plastic blast media, walnut shell, corn cob, copper slag, and coal slag. Each has distinct hardness, shape, and recyclability characteristics suited to different substrates and applications.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Which blasting media is the hardest?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Silicon carbide is the hardest commercially available blasting media at Mohs 9.5, followed closely by aluminum oxide at Mohs 9.0. 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In some non-critical applications, spent media of similar hardness may be blended, but for any application requiring a defined ISO or SSPC surface cleanliness grade, use a single, well-characterized media specification.\"\n                    }\n                }\n            ]\n        }\n    ]\n}<\/script><\/p>\n<!-- ===== EMBEDDED CSS ===== -->\n<p><style>\n  \/* --- Reset & Base --- *\/\n  .c1-article *,\n  .c1-article *::before,\n  .c1-article *::after { box-sizing: border-box; margin: 0; padding: 0; }\n\n  .c1-article {\n    font-family: 'Georgia', 'Times New Roman', serif;\n    font-size: 17px;\n    line-height: 1.85;\n    color: #1a1a2e;\n    max-width: 860px;\n    margin: 0 auto;\n    padding: 0 20px 60px;\n  }\n\n  \/* --- Typography --- *\/\n  .c1-article h2 {\n    font-family: 'Trebuchet MS', 'Gill Sans', sans-serif;\n    font-size: 1.75rem;\n    font-weight: 700;\n    color: #0d2137;\n    margin: 52px 0 16px;\n    padding-bottom: 10px;\n    border-bottom: 3px solid #e05f1b;\n    letter-spacing: -0.3px;\n  }\n  .c1-article h3 {\n    font-family: 'Trebuchet MS', 'Gill Sans', sans-serif;\n    font-size: 1.2rem;\n    font-weight: 700;\n    color: #0d2137;\n    margin: 34px 0 12px;\n  }\n  .c1-article h4 {\n    font-family: 'Trebuchet MS', 'Gill Sans', sans-serif;\n    font-size: 1rem;\n    font-weight: 700;\n    color: #1e3a5f;\n    margin: 22px 0 8px;\n  }\n  .c1-article p { margin-bottom: 18px; 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transform: translateY(-1px); }\n\n  \/* --- Pillar back-link banner --- *\/\n  .c1-pillar-link {\n    background: #f4f7fb;\n    border: 1px solid #c8d8e8;\n    border-radius: 8px;\n    padding: 14px 20px;\n    margin-bottom: 38px;\n    font-family: 'Trebuchet MS', sans-serif;\n    font-size: 0.88rem;\n    color: #4a5a6a;\n    display: flex;\n    align-items: center;\n    gap: 10px;\n    flex-wrap: wrap;\n  }\n  .c1-pillar-link-icon { font-size: 1rem; flex-shrink: 0; }\n  .c1-pillar-link a { color: #1e3a5f; font-weight: 600; border-bottom: 1px solid rgba(30,58,95,0.3); }\n\n  \/* --- Responsive --- *\/\n  @media (max-width: 680px) {\n    .c1-hero { padding: 30px 22px 26px; }\n    .c1-hero h1 { font-size: 1.6rem; }\n    .c1-type-specs { grid-template-columns: 1fr 1fr; }\n    .c1-type-header { flex-direction: column; }\n    .c1-cta { padding: 26px 20px; }\n    .c1-article h2 { font-size: 1.38rem; }\n    .c1-hbar-bg { width: 55px; }\n  }\n<\/style><\/p>\n<!-- ===== ARTICLE WRAPPER ===== -->\n<article class=\"c1-article\"><!-- HERO -->\n<div class=\"c1-hero\"><span class=\"c1-hero-label\">Comprehensive Reference \u00b7 March 2026<\/span>\n<h1>Types of Blasting Media: A Complete Guide to Every Major Abrasive<\/h1>\n<p class=\"c1-hero-sub\">From aluminum oxide and silicon carbide to garnet, glass bead, steel grit, and organic media \u2014 this guide covers every commercially significant blasting media type with detailed technical data, application guidance, and sourcing considerations for industrial buyers.<\/p>\n<div class=\"c1-hero-meta\">Updated March 2026 \u00a0\u00b7\u00a0 12-minute read \u00a0\u00b7\u00a0 Jiangsu Henglihong Technology Co., Ltd.<\/div>\n<\/div>\n<!-- PILLAR BACK-LINK -->\n<div class=\"c1-pillar-link\"><span class=\"c1-pillar-link-icon\">\ud83d\udcd6<\/span> This article is part of our complete resource series. For an overview of the entire topic, visit the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a>.<\/div>\n<!-- TABLE OF CONTENTS --><nav class=\"c1-toc\" aria-label=\"Table of Contents\">\n<div class=\"c1-toc-title\">Table of Contents<\/div>\n<ol>\n<li><a href=\"#c1-overview\">How Blasting Media Are Classified<\/a><\/li>\n<li><a href=\"#c1-mineral\">Mineral &amp; Ceramic Abrasives<\/a><\/li>\n<li><a href=\"#c1-metallic\">Metallic Abrasives<\/a><\/li>\n<li><a href=\"#c1-synthetic\">Synthetic &amp; Manufactured Media<\/a><\/li>\n<li><a href=\"#c1-organic\">Organic &amp; Agricultural Media<\/a><\/li>\n<li><a href=\"#c1-industrial-byproduct\">Industrial By-Product Abrasives<\/a><\/li>\n<li><a href=\"#c1-master-table\">Master Comparison Table<\/a><\/li>\n<li><a href=\"#c1-faq\">H\u00e4ufig gestellte Fragen<\/a><\/li>\n<li><a href=\"#c1-next\">Choosing the Right Type for Your Application<\/a><\/li>\n<\/ol>\n<\/nav><!-- SECTION 1 -->\n<h2 id=\"c1-overview\">1. How Blasting Media Are Classified<\/h2>\n<p>With dozens of commercially available blasting abrasives on the market as of March 2026, understanding how they are categorized is the first step toward confident selection. Industrial blasting media are broadly grouped by their origin and composition into four families:<\/p>\n<div class=\"c1-cat-nav\"><span class=\"c1-cat-pill mineral\">Mineral &amp; Ceramic<\/span> <span class=\"c1-cat-pill metallic\">Metallic<\/span> <span class=\"c1-cat-pill synthetic\">Synthetic Manufactured<\/span> <span class=\"c1-cat-pill organic\">Organic \/ Agricultural<\/span> <span class=\"c1-cat-pill\">Industrial By-Product<\/span><\/div>\n<p>Within each family, individual abrasives differ across five key technical dimensions that determine their fitness for any given application:<\/p>\n<ul>\n<li><strong>H\u00e4rte<\/strong> (Mohs scale): determines cutting aggression and whether the media can damage the substrate<\/li>\n<li><strong>Partikelform<\/strong>: angular particles cut and etch; spherical particles peen and smooth<\/li>\n<li><strong>Dichte<\/strong>: heavier media carries more kinetic energy per particle at the same blast velocity<\/li>\n<li><strong>Wiederverwertbarkeit<\/strong>: how many blast cycles the media survives before it fractures below usable grit size<\/li>\n<li><strong>Chemical inertness<\/strong>: whether the media reacts with the substrate or contaminates it (critical for stainless steel, titanium, and aerospace alloys)<\/li>\n<\/ul>\n<div class=\"c1-highlight\"><span class=\"c1-highlight-label\">Selection Principle<\/span> No single blasting media type is universally optimal. The correct choice depends on the substrate, required surface profile, environmental regulations, equipment type, and total cost target. Use this guide to understand the technical profile of each option, then apply the decision framework in our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">complete media selection guide<\/a>.<\/div>\n<!-- SECTION 2 -->\n<h2 id=\"c1-mineral\">2. Mineral &amp; Ceramic Abrasives<\/h2>\n<p>Mineral and ceramic abrasives are the workhorses of the industrial blasting world. They offer a wide range of hardness \u2014 from the moderate aggression of garnet to the extreme cutting power of silicon carbide \u2014 and most are completely silica-free, making them compliant with modern occupational health regulations in the EU, UK, USA, and Australia.<\/p>\n<!-- ALUMINUM OXIDE -->\n<div class=\"c1-type-card\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Aluminum Oxide (Al\u2082O\u2083)<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-hard\">Very Hard \u00b7 Mohs 9<\/span> <span class=\"c1-badge c1-badge-recycle\">High Recyclability<\/span> <span class=\"c1-badge c1-badge-eco\">Silica-Free<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 9.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Eckig<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">100\u2013200 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">50\u2013120 \u00b5m<\/span><\/div>\n<\/div>\n<p>Aluminum oxide \u2014 also sold as aluminium oxide, corundum, or brown fused alumina (BFA) \u2014 is the most widely used blasting media in global industrial manufacturing. Its combination of very high hardness, sharp angular morphology, chemical inertness, and outstanding recyclability makes it the go-to specification for surface preparation of carbon steel, stainless steel, titanium alloys, nickel superalloys, and ceramic components.<\/p>\n<p>It is available in two primary grades: <strong>brown fused alumina<\/strong> (BFA), which contains 95\u201397% Al\u2082O\u2083 and small amounts of titanium oxide giving it its characteristic brown color, and <strong>white fused alumina<\/strong> (WFA), which is purer (99%+ Al\u2082O\u2083), harder, and preferred for stainless steel and titanium applications where iron contamination from lower-grade media could cause surface corrosion.<\/p>\n<p>Grit sizes range from very coarse (F12, F16) for aggressive mill scale and heavy corrosion removal, to very fine (F150, F220) for creating smooth anchor profiles prior to thin-film coatings or electroplating. In recirculating blast cabinet or blast room systems, aluminum oxide is typically the most cost-effective mineral abrasive over a full production year, despite a higher upfront unit price than garnet or slag.<\/p>\n<ul>\n<li><strong>Best for:<\/strong> Carbon steel, stainless steel, titanium, nickel alloys, ceramics, composites<\/li>\n<li><strong>Avoid for:<\/strong> Soft aluminum body panels (warping risk with coarse grit at high pressure); composites (use plastic media instead)<\/li>\n<li><strong>Key standards:<\/strong> ISO 11127-1, FEPA F-grade sizing, ANSI B74.12<\/li>\n<\/ul>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/\" target=\"_blank\" rel=\"noopener\">Full Aluminum Oxide Blast Media Guide<\/a><\/div>\n<!-- SILICON CARBIDE -->\n<div class=\"c1-type-card alt-border\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Silicon Carbide (SiC)<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-hard\">Hardest \u00b7 Mohs 9.5<\/span> <span class=\"c1-badge c1-badge-med\">Medium Recyclability<\/span> <span class=\"c1-badge c1-badge-eco\">Silica-Free<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 9.5<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Angular \/ splintery<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">10\u201330 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">Very high<\/span><\/div>\n<\/div>\n<p>Silicon carbide is the hardest blasting media available commercially, sitting at Mohs 9.5 \u2014 harder than aluminum oxide and harder than most materials it is used to treat. Its extremely sharp, splintery fracture pattern means it cuts faster than any other mineral abrasive, making it the preferred choice when working on extremely hard substrates that would wear out aluminum oxide too quickly.<\/p>\n<p>Primary application areas include glass etching and carving (monument industry, glass art, and architectural glass treatment), surface preparation and texturing of cemented carbide and technical ceramic components, and cleaning of silicon wafers and other semiconductor substrates in specialized equipment. Silicon carbide is available in both black SiC (98%+ purity) and green SiC (99%+ purity, sharper, preferred for precision applications).<\/p>\n<p>Because silicon carbide fractures readily into new sharp edges, its recyclability is lower than aluminum oxide. However, for applications where no other abrasive achieves the required cutting rate on extremely hard materials, there is no practical substitute.<\/p>\n<ul>\n<li><strong>Best for:<\/strong> Glass etching, hard ceramics, cemented carbide, stone carving, silicon wafers<\/li>\n<li><strong>Avoid for:<\/strong> General carbon steel work (cost-prohibitive vs. aluminum oxide); any substrate where SiC contamination is unacceptable<\/li>\n<\/ul>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-blast-media-hardest-abrasive-explained\/\" target=\"_blank\" rel=\"noopener\">Full Silicon Carbide Blast Media Guide<\/a><\/div>\n<!-- GARNET -->\n<div class=\"c1-type-card alt-border2\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Granat<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-med\">Hard \u00b7 Mohs 7.5\u20138<\/span> <span class=\"c1-badge c1-badge-eco\">Low Dust<\/span> <span class=\"c1-badge c1-badge-eco\">Silica-Free<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 7.5\u20138.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Sub-angular<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">3\u20135 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">40\u201390 \u00b5m<\/span><\/div>\n<\/div>\n<p>Garnet is a naturally occurring iron-aluminum silicate mineral mined primarily in Australia, India, and parts of China. It occupies a valuable middle ground in the blasting media market: harder than glass bead, softer than aluminum oxide, with a sub-angular particle shape that produces a well-defined anchor profile without the extreme aggression of corundum abrasives.<\/p>\n<p>One of garnet&#8217;s most important characteristics is its extremely low free silica content (typically less than 1%) and very low dust generation upon fracture \u2014 properties that make it the preferred choice for open-air blasting in environments where dust suppression and operator health are priorities. It is widely used in shipyards, pipeline coating projects, and bridge maintenance programs across North America, Europe, and the Middle East.<\/p>\n<p>Garnet is also the abrasive of choice for waterjet cutting operations, where its hardness, density, and consistent particle sizing make it superior to most alternatives. For buyers who need to balance cleaning performance, environmental responsibility, and regulatory compliance, garnet is frequently the most defensible specification \u2014 especially in regions with strict OSHA or EU RCS exposure limits.<\/p>\n<ul>\n<li><strong>Best for:<\/strong> Open-air steel blasting, pipeline coating prep, waterjet cutting, eco-sensitive sites, marine applications<\/li>\n<li><strong>Avoid for:<\/strong> High-volume recirculating cabinet work (low recycle life increases cost vs. aluminum oxide)<\/li>\n<\/ul>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-blasting-media-eco-friendly-high-performance\/\" target=\"_blank\" rel=\"noopener\">Full Garnet Blasting Media Guide<\/a><\/div>\n<!-- SECTION 3 -->\n<h2 id=\"c1-metallic\">3. Metallic Abrasives<\/h2>\n<p>Metallic abrasives \u2014 manufactured from high-carbon steel, stainless steel, or cast iron \u2014 dominate high-volume automated blast rooms and production-line shot blast equipment. Their key advantage is exceptional recyclability: a well-maintained steel abrasive system can achieve 500\u20132,000 cycles per charge, making the per-m\u00b2 cost of metallic abrasives among the lowest of any category over a full production run.<\/p>\n<!-- STEEL GRIT -->\n<div class=\"c1-type-card alt-border3\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Stahlkies<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-hard\">Hard \u00b7 Mohs 8<\/span> <span class=\"c1-badge c1-badge-recycle\">Highest Recyclability<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs ~8.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Eckig<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">500\u20132,000 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">75\u2013150 \u00b5m<\/span><\/div>\n<\/div>\n<p>Steel grit is manufactured by crushing high-carbon steel shot and re-heat-treating the angular fragments to a controlled hardness. The angular geometry produces an aggressive, jagged anchor profile on steel surfaces \u2014 ideal for heavy-duty coating systems (epoxy, polyurethane, zinc-rich primers) that require a deep mechanical key for adhesion. Steel grit is graded by particle size (G10 through G120) and hardness (GL = low hardness, GM = medium, GH = high).<\/p>\n<p>It is the primary abrasive in automated tumble blast, table blast, and hanger blast equipment used in automotive component manufacturing, structural steel fabrication, and heavy engineering. Because it is a metallic abrasive, steel grit should never be used on stainless steel, aluminum, titanium, or any substrate where iron contamination would cause corrosion or metallurgical problems.<\/p>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-vs-steel-shot-which-should-you-use\/\" target=\"_blank\" rel=\"noopener\">Steel Grit vs Steel Shot: Full Comparison Guide<\/a><\/div>\n<!-- STEEL SHOT -->\n<div class=\"c1-type-card alt-border3\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Stahlkugel<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-hard\">Hard \u00b7 Mohs 8<\/span> <span class=\"c1-badge c1-badge-recycle\">Highest Recyclability<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs ~8.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Spherical<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">500\u20132,000 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">Low\u2013Med (peened)<\/span><\/div>\n<\/div>\n<p>Steel shot consists of spherical particles produced by atomizing molten high-carbon steel and rapidly cooling the droplets. Unlike steel grit, shot does not cut the surface \u2014 it hammers it, creating a dimpled, compressively stressed surface layer. This peening effect is highly valuable in two distinct contexts: <strong>descaling and cleaning<\/strong> (removing mill scale, light rust, and casting sand from steel components) and <strong>Shotpeening<\/strong> (inducing beneficial compressive residual stress in springs, gears, aircraft landing gear, and turbine components to improve fatigue life).<\/p>\n<p>The relatively shallow, smooth surface profile produced by steel shot means it is not suitable as the sole preparation abrasive for heavy coating systems \u2014 it is often used in combination with steel grit to achieve both cleaning and profile simultaneously, or in dedicated peening operations where the surface finish is the primary objective.<\/p>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-vs-steel-shot-which-should-you-use\/\" target=\"_blank\" rel=\"noopener\">Full Steel Grit vs Steel Shot Guide<\/a><\/div>\n<!-- SECTION 4 -->\n<h2 id=\"c1-synthetic\">4. Synthetic &amp; Manufactured Media<\/h2>\n<!-- GLASS BEAD -->\n<div class=\"c1-type-card alt-border4\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Glass Bead<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-soft\">Moderate \u00b7 Mohs 5.5\u20136<\/span> <span class=\"c1-badge c1-badge-recycle\">Medium Recyclability<\/span> <span class=\"c1-badge c1-badge-eco\">Silica-Free<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 5.5\u20136.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Spherical<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">30\u201350 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">Low (smooth\/satin)<\/span><\/div>\n<\/div>\n<p>Glass bead is manufactured from soda-lime glass melted into perfectly spherical particles, then sized to precise grade ranges. The spherical shape is the defining characteristic: it produces a smooth, satin, non-directional finish rather than an etched anchor profile, cleaning the surface without embedding into it or significantly roughening the substrate. This makes glass bead the preferred finishing media for a wide range of applications where appearance and dimensional precision matter as much as cleanliness.<\/p>\n<p>Common glass bead applications include: deburring and finishing of stainless steel fabrications (food processing equipment, pharmaceutical machinery); brightening and satin finishing of aluminum alloy wheels, motorcycle components, and sporting goods; cleaning of hydraulic cylinders and precision valves between maintenance cycles without altering bore dimensions; cosmetic finishing of titanium medical implants; and general surface conditioning of castings and forgings in preparation for inspection or anodizing.<\/p>\n<p>Glass bead is chemically inert and contains no free crystalline silica (it is manufactured from amorphous glass), making it compliant with OSHA RCS exposure standards. It is available in a wide range of grades from very fine (MIL-G-9954 #13, equivalent to approximately 90 \u00b5m) to medium-coarse (#4, approximately 600 \u00b5m).<\/p>\n<ul>\n<li><strong>Best for:<\/strong> Stainless steel, aluminum, titanium, decorative metalwork, medical components, precision finishing<\/li>\n<li><strong>Avoid for:<\/strong> Heavy rust or coating removal from structural steel (insufficient aggression); composites (shatter risk)<\/li>\n<\/ul>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">Full Glass Bead Blasting Media Guide<\/a><\/div>\n<!-- PLASTIC MEDIA -->\n<div class=\"c1-type-card alt-border4\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Plastic Blast Media<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-soft\">Soft \u00b7 Mohs 3\u20134<\/span> <span class=\"c1-badge c1-badge-med\">Medium Recyclability<\/span> <span class=\"c1-badge c1-badge-eco\">Non-damaging to substrate<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 3.0\u20134.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Angular \/ blocky<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">20\u201350 cycles<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">Minimal<\/span><\/div>\n<\/div>\n<p>Plastic blast media \u2014 manufactured from urea formaldehyde, melamine, or acrylic thermoplastic resin \u2014 is the only commercially available blasting abrasive that can strip paint, coatings, and adhesives from extremely thin-gauge aluminum sheet, carbon fiber reinforced polymer (CFRP), fiberglass, and other composite structures without causing substrate damage, dimensional change, or fiber breakout.<\/p>\n<p>This property makes plastic media indispensable in the aerospace industry, where regulatory requirements mandate that aircraft coating removal be performed without any measurable substrate damage. It is also widely used in the automotive refinishing industry for stripping paint from aluminum hoods, doors, and body panels; in the defense sector for vehicle and weapons system refurbishment; and in the electronics industry for deflashing plastic-encapsulated components.<\/p>\n<p>Plastic media is available in multiple resin types (urea for lightest cutting, melamine for moderate, acrylic for most aggressive) and a range of particle sizes, allowing the operator to tune the cutting action precisely. Because the particles are low-density, higher blast pressures and closer nozzle distances are typically needed compared to mineral abrasives.<\/p>\n<ul>\n<li><strong>Best for:<\/strong> Aircraft aluminum skins, CFRP components, fiberglass bodies, thin-gauge auto body panels, composite marine hulls<\/li>\n<li><strong>Avoid for:<\/strong> Heavy rust or scale removal from structural steel; any application requiring a defined anchor profile for coating adhesion<\/li>\n<\/ul>\n<a class=\"c1-read-more\" href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">Full Plastic Blast Media Guide<\/a><\/div>\n<!-- SECTION 5 -->\n<h2 id=\"c1-organic\">5. Organic &amp; Agricultural Media<\/h2>\n<div class=\"c1-type-card alt-border5\">\n<div class=\"c1-type-header\">\n<h3 class=\"c1-type-name\">Walnut Shell &amp; Corn Cob<\/h3>\n<div class=\"c1-type-badges\"><span class=\"c1-badge c1-badge-soft\">Soft \u00b7 Mohs 3\u20134<\/span> <span class=\"c1-badge c1-badge-eco\">Biodegradable<\/span> <span class=\"c1-badge c1-badge-norecycle\">Low Recyclability<\/span><\/div>\n<\/div>\n<div class=\"c1-type-specs\">\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">H\u00e4rte<\/span> <span class=\"c1-spec-value\">Mohs 3.0\u20134.0<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Shape<\/span> <span class=\"c1-spec-value\">Irregular<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Recycle Life<\/span> <span class=\"c1-spec-value\">Niedrig<\/span><\/div>\n<div class=\"c1-spec-item\"><span class=\"c1-spec-label\">Profile Depth<\/span> <span class=\"c1-spec-value\">Negligible<\/span><\/div>\n<\/div>\n<p>Agricultural media \u2014 crushed walnut shells, ground corn cob, and peach pit grit \u2014 are among the gentlest abrasive blasting materials available. Their low hardness means they remove surface contamination (grease, carbon deposits, soft coatings, biological growth) without scratching, etching, or dimensionally altering even the softest metal or non-metallic substrate. They are fully biodegradable and generate no hazardous waste.<\/p>\n<p>Typical applications include: cleaning carbon deposits from aircraft and automotive engine components (carburetors, cylinder heads, valve bodies); stripping antique wooden furniture or stone monuments without damage; removing graffiti from delicate masonry and brick; decontaminating oil field equipment; and gentle surface cleaning in food processing or pharmaceutical facilities where chemical contamination cannot be tolerated. For environmentally sensitive or regulatory-compliant operations, see our broader guide on <a href=\"https:\/\/hlh-js.com\/resource\/blog\/eco-friendly-blasting-media-low-dust-silica-free-options\/\" target=\"_blank\" rel=\"noopener\">eco-friendly and silica-free blasting media<\/a>.<\/p>\n<\/div>\n<!-- SECTION 6 -->\n<h2 id=\"c1-industrial-byproduct\">6. Industrial By-Product Abrasives<\/h2>\n<p>Several widely used blasting media are by-products of other industrial processes. Their primary commercial advantage is very low purchase price per tonne \u2014 typically $80\u2013$200\/MT \u2014 making them attractive for large-scale open blasting projects where media cost per tonne dominates the budget. However, they are all single-use materials with no recyclability, and some carry regulatory concerns regarding heavy metal content.<\/p>\n<h3>Copper Slag<\/h3>\n<p>A by-product of copper smelting, copper slag is a dark, angular abrasive with good hardness (Mohs ~7) and high density. It produces a strong anchor profile on structural steel and has been widely used in shipyards and on large infrastructure projects (bridges, tanks, offshore platforms). Regulatory scrutiny of heavy metal leaching from spent copper slag has increased in recent years in the EU and certain US states \u2014 always verify local waste classification before specifying. It is appropriate for large outdoor structural steel projects where spent media will be collected and disposed of through a licensed contractor. For industrial metal surface preparation at scale, see our dedicated guide on <a href=\"https:\/\/hlh-js.com\/resource\/blog\/industrial-surface-prep-best-blasting-media-for-metal\/\" target=\"_blank\" rel=\"noopener\">best blasting media for metal surface prep<\/a>.<\/p>\n<h3>Coal Slag (Black Beauty)<\/h3>\n<p>A by-product of coal combustion in power stations, coal slag is perhaps the lowest-cost blasting abrasive per tonne on the market. It is angular, moderately hard (Mohs ~6\u20137), and produces acceptable surface profiles for structural steel coating preparation. Like copper slag, it is single-use, generates significant dust, and its regulatory status regarding free silica content varies by source \u2014 always request a certified analysis from the supplier confirming free crystalline silica content below relevant exposure thresholds.<\/p>\n<div class=\"c1-info\"><strong>Note on silica sand:<\/strong> Crystalline silica sand \u2014 once the most common blasting abrasive \u2014 is now banned or severely restricted in virtually all developed countries due to the risk of silicosis from respirable crystalline silica (RCS) dust. None of the media types recommended in this guide contain significant free crystalline silica. If you are still specifying silica sand for any blasting operation, this represents a serious occupational health compliance risk that should be addressed immediately. See our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-safety-guide-silica-risks-ppe\/\" target=\"_blank\" rel=\"noopener\">blasting media safety guide<\/a> for the full regulatory picture.<\/div>\n<!-- SECTION 7 -->\n<h2 id=\"c1-master-table\">7. Master Comparison Table \u2014 All Major Types<\/h2>\n<p>The table below consolidates the essential technical and commercial data for all major blasting media types covered in this guide. For an expanded interactive version, visit the dedicated <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-comparison-blasting-media-chart\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Comparison Chart<\/a>. For cost data including price per MT and cost-per-m\u00b2 analysis, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-cost-guide-price-per-pound-roi\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Cost Guide<\/a>.<\/p>\n<div class=\"c1-table-wrap\">\n<table class=\"c1-table\">\n<thead>\n<tr>\n<th>Medienart<\/th>\n<th>Hardness (Mohs)<\/th>\n<th>Shape<\/th>\n<th>Profile<\/th>\n<th>Wiederverwertbarkeit<\/th>\n<th>Silica-Free<\/th>\n<th>Kategorie<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Aluminium-Oxid<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 90%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">9.0<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Hoch<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Mineral<\/td>\n<\/tr>\n<tr>\n<td>Siliziumkarbid<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 95%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">9.5<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Very High<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Mineral<\/td>\n<\/tr>\n<tr>\n<td>Granat<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 77%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">7.5\u20138<\/span><\/div>\n<\/td>\n<td>Sub-angular<\/td>\n<td>Hoch<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Mineral<\/td>\n<\/tr>\n<tr>\n<td>Stahlkies<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 80%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">~8.0<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Very High<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2717<\/td>\n<td>Metallic<\/td>\n<\/tr>\n<tr>\n<td>Stahlkugel<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 80%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">~8.0<\/span><\/div>\n<\/td>\n<td>Spherical<\/td>\n<td>Low\u2013Med<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2717<\/td>\n<td>Metallic<\/td>\n<\/tr>\n<tr>\n<td>Glass Bead<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 58%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">5.5\u20136<\/span><\/div>\n<\/td>\n<td>Spherical<\/td>\n<td>Niedrig<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Synthetic<\/td>\n<\/tr>\n<tr>\n<td>Plastische Medien<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 35%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">3\u20134<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Minimal<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Synthetic<\/td>\n<\/tr>\n<tr>\n<td>Walnut Shell<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 35%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">3\u20134<\/span><\/div>\n<\/td>\n<td>Irregular<\/td>\n<td>Negligible<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-on\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>Organic<\/td>\n<\/tr>\n<tr>\n<td>Copper Slag<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 70%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">~7.0<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Hoch<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>\u2713<\/td>\n<td>By-Product<\/td>\n<\/tr>\n<tr>\n<td>Coal Slag<\/td>\n<td>\n<div class=\"c1-hbar-wrap\">\n<div class=\"c1-hbar-bg\">\n<div class=\"c1-hbar-fill\" style=\"width: 65%;\">\u00a0<\/div>\n<\/div>\n<span class=\"c1-hbar-text\">6-7<\/span><\/div>\n<\/td>\n<td>Eckig<\/td>\n<td>Med\u2013High<\/td>\n<td>\n<div class=\"c1-dots\">\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<div class=\"c1-dot c1-dot-off\">\u00a0<\/div>\n<\/div>\n<\/td>\n<td>Verify<\/td>\n<td>By-Product<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"font-size: 0.82rem; color: #7a8a9a; margin-top: -16px;\">Recyclability dots: \u25cf\u25cf\u25cf\u25cf\u25cf = 500+ cycles \u00a0|\u00a0 \u25cf\u25cf\u25cf\u25cb\u25cb = 100\u2013200 cycles \u00a0|\u00a0 \u25cf\u25cf\u25cb\u25cb\u25cb = 20\u201350 cycles \u00a0|\u00a0 \u25cf\u25cb\u25cb\u25cb\u25cb = 1\u20135 cycles \u00a0|\u00a0 \u25cb\u25cb\u25cb\u25cb\u25cb = single use<\/p>\n<!-- SECTION 8 \u2014 FAQ -->\n<h2 id=\"c1-faq\">8. Frequently Asked Questions<\/h2>\n<div class=\"c1-faq\">\n<div class=\"c1-faq-item\"><button class=\"c1-faq-q\" aria-expanded=\"false\"> What are the main types of blasting media? <i class=\"c1-faq-icon\">+<\/i> <\/button>\n<div class=\"c1-faq-a\">\n<div>The main types of blasting media include aluminum oxide, silicon carbide, garnet, glass bead, steel grit, steel shot, plastic blast media, walnut shell, corn cob, copper slag, and coal slag. Each has distinct hardness, shape, and recyclability characteristics suited to different substrates and surface finish requirements. Mineral and ceramic abrasives are the most widely used category in precision industrial applications; metallic abrasives dominate high-volume automated production lines.<\/div>\n<\/div>\n<\/div>\n<div class=\"c1-faq-item\"><button class=\"c1-faq-q\" aria-expanded=\"false\"> Which blasting media is the hardest? <i class=\"c1-faq-icon\">+<\/i> <\/button>\n<div class=\"c1-faq-a\">\n<div>Silicon carbide is the hardest commercially available blasting media at Mohs 9.5, followed closely by aluminum oxide at Mohs 9.0. Steel grit sits at approximately Mohs 8.0, garnet at 7.5\u20138.0, glass bead at 5.5\u20136.0, and plastic media at 3.0\u20134.0. Harder media cuts more aggressively and produces deeper surface profiles, but also risks damaging softer substrates if incorrectly specified.<\/div>\n<\/div>\n<\/div>\n<div class=\"c1-faq-item\"><button class=\"c1-faq-q\" aria-expanded=\"false\"> What is the most environmentally friendly blasting media? <i class=\"c1-faq-icon\">+<\/i> <\/button>\n<div class=\"c1-faq-a\">\n<div>Garnet and aluminum oxide are considered the most responsible mineral blasting media from an environmental standpoint \u2014 both are silica-free, non-toxic, and recyclable. Agricultural media such as walnut shell and corn cob are fully biodegradable. Steel abrasives are recyclable hundreds to thousands of times, minimizing total waste per m\u00b2 treated. All of these options are significantly more environmentally sound than silica sand or single-use coal slag. For comprehensive guidance, see our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/eco-friendly-blasting-media-low-dust-silica-free-options\/\" target=\"_blank\" rel=\"noopener\">eco-friendly blasting media guide<\/a>.<\/div>\n<\/div>\n<\/div>\n<div class=\"c1-faq-item\"><button class=\"c1-faq-q\" aria-expanded=\"false\"> Can different types of blasting media be mixed? <i class=\"c1-faq-icon\">+<\/i> <\/button>\n<div class=\"c1-faq-a\">\n<div>Mixing blasting media types is generally not recommended for precision or regulated applications because different densities and hardness levels produce inconsistent surface profiles that cannot be reliably measured or documented against ISO or SSPC standards. In some non-critical general cleaning applications, blending of spent media from similar hardness categories occurs in practice, but should be avoided wherever surface profile repeatability, coating qualification, or QC documentation is required.<\/div>\n<\/div>\n<\/div>\n<\/div>\n<!-- SECTION 9 -->\n<h2 id=\"c1-next\">9. Choosing the Right Type for Your Application<\/h2>\n<p>Understanding each media type&#8217;s technical profile is the foundation \u2014 but translating that knowledge into a specific purchase specification requires applying a structured decision process against your actual application requirements. The four variables that drive the decision are: substrate material and hardness, required surface cleanliness grade and profile depth, environmental and safety constraints, and total cost target including recyclability.<\/p>\n<p>For a complete step-by-step selection framework \u2014 including a substrate-to-media matching matrix, grit size selection table, and guidance on how to calculate true cost per m\u00b2 \u2014 refer to our dedicated guide: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">How to Choose the Right Blasting Media<\/a>.<\/p>\n<p>If you are working in a specific industry context, the following application guides provide targeted recommendations:<\/p>\n<ul>\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-for-automotive-restoration\/\" target=\"_blank\" rel=\"noopener\">Blasting Media for Automotive Restoration<\/a> \u2014 component-by-component media selection for frame, body panels, engine parts, and wheels<\/li>\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">Plastic Blast Media for Aerospace &amp; Automotive<\/a> \u2014 paint stripping from composites and thin-gauge aluminum without substrate damage<\/li>\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/industrial-surface-prep-best-blasting-media-for-metal\/\" target=\"_blank\" rel=\"noopener\">Industrial Surface Prep: Best Blasting Media for Metal<\/a> \u2014 heavy structural steel, pipeline, and marine coating preparation<\/li>\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/eco-friendly-blasting-media-low-dust-silica-free-options\/\" target=\"_blank\" rel=\"noopener\">Eco-Friendly Blasting Media<\/a> \u2014 silica-free, low-dust, and biodegradable options for regulated environments<\/li>\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-safety-guide-silica-risks-ppe\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Safety Guide<\/a> \u2014 OSHA and EU regulatory requirements, PPE selection, and silica risk management<\/li>\n<\/ul>\n<p>This article is part of the complete blasting media resource library produced by Jiangsu Henglihong Technology. For the full overview of the topic, return to the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a> <\/p>\n<!-- CTA -->\n<div class=\"c1-cta\">\n<h2>Need Abrasive Blasting Media for Your Operation?<\/h2>\n<p>Jiangsu Henglihong Technology supplies aluminum oxide, garnet, glass bead, silicon carbide, steel abrasives, and specialty media to industrial buyers worldwide. Full QC documentation, competitive pricing, and reliable export logistics.<\/p>\n<a class=\"c1-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quote or Sample Pack<\/a><\/div>\n<\/article>\n<!-- ===== FAQ ACCORDION SCRIPT ===== -->\n<p><script>\n(function() {\n  function c1ToggleFaq(btn) {\n    var item = btn.parentElement;\n    var isOpen = item.classList.contains('open');\n    document.querySelectorAll('.c1-faq-item').forEach(function(el) {\n      el.classList.remove('open');\n      var b = el.querySelector('.c1-faq-q');\n      if (b) b.setAttribute('aria-expanded', 'false');\n    });\n    if (!isOpen) {\n      item.classList.add('open');\n      btn.setAttribute('aria-expanded', 'true');\n    }\n  }\n  window.c1ToggleFaq = c1ToggleFaq;\n})();\n<\/script><\/p>\n<!-- ===== ON-PAGE SEO NOTES (remove before publishing) =====\nMETA TITLE (\u226460 chars):\n  Types of Blasting Media: Complete Guide (2026) | HLH\n\nMETA DESCRIPTION (\u2264155 chars):\n  Explore all major types of blasting media \u2014 aluminum oxide, garnet, glass bead, steel grit, silicon carbide, plastic media & more. Technical guide with specs & applications.\n\nPRIMARY KEYWORD: types of blasting media\nSECONDARY: abrasive blasting media types, different types of blasting media, blasting media list, abrasive blasting media comparison\n\nINTERNAL LINKS IN THIS PAGE:\n  \u2192 Pillar (blasting-media\/) \u00d73\n  \u2192 C2 how-to-choose \u00d72\n  \u2192 C3 aluminum-oxide \u00d71\n  \u2192 C4 glass-bead \u00d71\n  \u2192 C5 garnet \u00d71\n  \u2192 C6 steel-grit-vs-shot \u00d72\n  \u2192 C7 plastic-media \u00d72\n  \u2192 C8 silicon-carbide \u00d71\n  \u2192 C9 automotive \u00d71\n  \u2192 C10 industrial-metal \u00d72\n  \u2192 C11 eco-friendly \u00d73\n  \u2192 C12 cost-guide \u00d71\n  \u2192 C13 comparison-chart \u00d71\n  \u2192 C14 safety \u00d72\n\nFEATURED SNIPPET OPPORTUNITY:\n  Section 1 list \"five key technical dimensions\" targets PAA \"how are blasting media classified\"\n  Master table (Section 7) targets table snippet for \"types of blasting media comparison\"\n\nSCHEMA: Article + FAQPage in JSON-LD at top.\n===== END SEO NOTES ===== -->","protected":false},"excerpt":{"rendered":"<p>Comprehensive Reference \u00b7 March 2026 Types of Blasting Media: A  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12790","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts\/12790","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/comments?post=12790"}],"version-history":[{"count":4,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts\/12790\/revisions"}],"predecessor-version":[{"id":12852,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts\/12790\/revisions\/12852"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/media\/12833"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/media?parent=12790"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/categories?post=12790"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/tags?post=12790"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}