{"id":12425,"date":"2026-03-09T07:14:55","date_gmt":"2026-03-09T07:14:55","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12425"},"modified":"2026-03-09T08:12:16","modified_gmt":"2026-03-09T08:12:16","slug":"how-to-choose-the-right-abrasive-media-for-your-project","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/es\/resource\/blog\/how-to-choose-the-right-abrasive-media-for-your-project\/","title":{"rendered":"How to Choose the Right Abrasive Media for Your Project"},"content":{"rendered":"<!--\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"HowTo\",\n  \"name\": \"How to Choose the Right Abrasive Media for Your Project\",\n  \"description\": \"A 6-step framework for selecting the correct abrasive blasting media based on substrate material, desired surface outcome, coating specification, equipment type, total cost of use, and safety requirements.\",\n  \"image\": \"https:\/\/www.yourdomain.com\/wp-content\/uploads\/how-to-choose-abrasive-media.jpg\",\n  \"author\": {\n    \"@type\": \"Organization\",\n    \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n    \"url\": \"https:\/\/www.yourdomain.com\"\n  },\n  \"totalTime\": \"PT10M\",\n  \"supply\": [\n    { \"@type\": \"HowToSupply\", \"name\": \"Abrasive blasting media\" },\n    { \"@type\": \"HowToSupply\", \"name\": \"Coating manufacturer data sheet\" },\n    { \"@type\": \"HowToSupply\", \"name\": \"Blast equipment specifications\" }\n  ],\n  \"step\": [\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 1,\n      \"name\": \"Identify your substrate material\",\n      \"text\": \"Determine the hardness, thickness, and sensitivity of the surface being blasted. This sets the upper limit on media hardness and aggressiveness.\"\n    },\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 2,\n      \"name\": \"Define the required surface outcome\",\n      \"text\": \"Determine whether you need a deep anchor profile for coating adhesion, a smooth peened finish, or surface cleaning without profile creation.\"\n    },\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 3,\n      \"name\": \"Check the governing specification\",\n      \"text\": \"Review any applicable coating specification (SSPC, NACE, ISO 8501, or coating manufacturer datasheet) for required cleanliness grade and surface profile range.\"\n    },\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 4,\n      \"name\": \"Match media to your blasting equipment\",\n      \"text\": \"Confirm which media types are compatible with your specific blast system \u2014 wheel blast, pressure blast, suction blast, or wet blast.\"\n    },\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 5,\n      \"name\": \"Calculate total cost of use\",\n      \"text\": \"Evaluate cost per blast cycle rather than purchase price per pound. Factor in media consumption rate, recyclability, disposal cost, and blast productivity.\"\n    },\n    {\n      \"@type\": \"HowToStep\",\n      \"position\": 6,\n      \"name\": \"Confirm regulatory and safety compliance\",\n      \"text\": \"Verify that the selected media meets OSHA crystalline silica requirements, any substrate contamination restrictions, and applicable environmental regulations for disposal.\"\n    }\n  ]\n}\n<\/script>\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I know which abrasive media is right for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Start with your substrate \u2014 its hardness and sensitivity set the upper limit on media aggressiveness. Then define your required outcome (profile depth, cleanliness grade, or finish type). Cross-reference with your coating specification, equipment type, and budget. This 6-step framework narrows the field to the correct choice in most cases.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I use any abrasive media in my blast cabinet?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"No. Different blast systems are engineered for different media types. Suction blast cabinets work best with lighter media (aluminum oxide, glass beads, plastic media). Pressure blast systems handle a wider range. Wheel blast machines are designed specifically for steel grit and steel shot. Using incompatible media damages equipment and produces inconsistent results.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What happens if I use the wrong abrasive media?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Using too aggressive a media on a sensitive substrate causes warping, dimensional loss, and surface contamination. Using too soft a media leaves contaminants on the surface, produces insufficient profile, and results in coating adhesion failure. Both errors are costly \u2014 and they are both avoidable with proper media selection.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Does grit size affect which media I should choose?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Grit size is a secondary selection variable \u2014 it fine-tunes the outcome after you have selected the media type. Within a given media type, coarser grits create deeper profiles and faster blast rates; finer grits produce smoother finishes and more controlled results. Always determine media type first, then optimize grit size for the required profile.\"\n      }\n    }\n  ]\n}\n<\/script>\n-->\n\n<!-- POST BODY STARTS HERE -->\n\n<style>\n\/* \u2500\u2500 Design tokens \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 *\/\n.hlh-c3 *, .hlh-c3 *::before, .hlh-c3 *::after { box-sizing: border-box; }\n\n.hlh-c3 {\n  --brand:        #1a4f8a;\n  --brand-light:  #e8f0fb;\n  --brand-mid:    #2e6db4;\n  --accent:       #e07b2a;\n  --accent-light: #fff4ea;\n  --green:        #166534;\n  --green-bg:     #dcfce7;\n  --red:          #991b1b;\n  --red-bg:       #fee2e2;\n  --yellow-bg:    #fefce8;\n  --text:         #1c2333;\n  --muted:        #5a6478;\n  --border:       #d8e2ef;\n  --radius:       8px;\n  font-family: 'Georgia', 'Times New Roman', serif;\n  color: var(--text);\n  line-height: 1.85;\n  max-width: 860px;\n  margin: 0 auto;\n  padding: 0 16px;\n}\n\n\/* Typography *\/\n.hlh-c3 h1 {\n  font-family: 'Trebuchet MS', sans-serif;\n  font-size: clamp(1.7rem, 4vw, 2.45rem);\n  color: var(--brand); 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border: 1px solid var(--border);\n  border-radius: var(--radius); padding: 20px 24px; margin: 2em 0;\n}\n.hlh-c3-related h3 {\n  font-family: 'Trebuchet MS', sans-serif; font-size: 0.88rem;\n  font-weight: 700; color: var(--brand); text-transform: uppercase;\n  letter-spacing: 0.06em; margin: 0 0 12px;\n}\n.hlh-c3-related ul { list-style: none; margin: 0; padding: 0; }\n.hlh-c3-related li { margin-bottom: 7px; }\n.hlh-c3-related a {\n  font-family: 'Trebuchet MS', sans-serif; font-size: 0.89rem;\n  color: var(--brand-mid); text-decoration: none;\n  display: inline-flex; align-items: center; gap: 5px;\n}\n.hlh-c3-related a::before { content: '\u2192'; color: var(--accent); }\n.hlh-c3-related a:hover { color: var(--accent); text-decoration: underline; }\n\n\/* Table wrap *\/\n.hlh-c3-tw { overflow-x: auto; margin: 1.2em 0 1.6em; }\n\n@media (max-width: 620px) {\n  .hlh-c3-hero    { padding: 26px 18px; }\n  .hlh-mistakes   { grid-template-columns: 1fr; }\n  .hlh-flow-q     { min-width: 140px; font-size: 0.8rem; }\n  .hlh-flow-a     { flex-direction: column; gap: 4px; }\n}\n<\/style>\n\n<article class=\"hlh-c3\" itemscope itemtype=\"https:\/\/schema.org\/HowTo\">\n\n\n\n  <!-- Hero -->\n  <div class=\"hlh-c3-hero\">\n    <h1 itemprop=\"name\">How to Choose the Right Abrasive Media for Your Project<\/h1>\n    <p class=\"sub\">Six questions. One clear answer. Follow this decision framework to select the correct blast media for any substrate, specification, or budget \u2014 the first time, every time.<\/p>\n    \n  <\/div>\n\n  <!-- Pillar backlink -->\n  <div class=\"hlh-c3-pillar\">\n    \ud83d\udcda Part of our complete resource: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/what-is-abrasive-media-types-uses-complete-selection-guide\/\">What Is Abrasive Media? The Ultimate Guide<\/a> \u2014 covering blasting fundamentals, media types, safety standards, and buying guidance.\n  <\/div>\n\n  <!-- TOC -->\n  <nav class=\"hlh-c3-toc\" aria-label=\"Table of Contents\">\n    <p class=\"hlh-c3-toc-title\">\ud83d\udccb Table of Contents<\/p>\n    <ol>\n      <li><a href=\"#why-selection-matters\">Why Getting This Wrong Is Expensive<\/a><\/li>\n      <li><a href=\"#step1\">Step 1 \u2014 Identify Your Substrate<\/a><\/li>\n      <li><a href=\"#step2\">Step 2 \u2014 Define the Required Surface Outcome<\/a><\/li>\n      <li><a href=\"#step3\">Step 3 \u2014 Check the Governing Specification<\/a><\/li>\n      <li><a href=\"#step4\">Step 4 \u2014 Match Media to Your Equipment<\/a><\/li>\n      <li><a href=\"#step5\">Step 5 \u2014 Calculate Total Cost of Use<\/a><\/li>\n      <li><a href=\"#step6\">Step 6 \u2014 Confirm Safety &amp; Compliance<\/a><\/li>\n      <li><a href=\"#quick-pick\">Quick-Pick Flowchart<\/a><\/li>\n      <li><a href=\"#mistakes\">5 Most Common Selection Mistakes<\/a><\/li>\n      <li><a href=\"#checklist\">Pre-Order Checklist<\/a><\/li>\n      <li><a href=\"#faq\">PREGUNTAS FRECUENTES<\/a><\/li>\n    <\/ol>\n  <\/nav>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <h2 id=\"why-selection-matters\">Why Getting Abrasive Media Selection Wrong Is Expensive<\/h2>\n\n  <p>The abrasive media you select costs somewhere between $0.30 and $3.00 per pound. The coating system applied on top of it costs ten to one hundred times more. The steel structure or component underneath costs orders of magnitude more still. Yet media selection is routinely treated as an afterthought \u2014 the cheapest available bag, or whatever was used on the last job.<\/p>\n\n  <p>The consequences of a wrong choice show up at two ends of the hardness spectrum. Use a media that is <strong>too aggressive<\/strong> for your substrate and you warp thin metal panels, abrade composite fiber reinforcement, introduce iron contamination into stainless steel, or erode precision-machined tolerances beyond the allowable range. Use a media that is <strong>too soft<\/strong> and you leave surface contaminants in place, fail to produce the required anchor profile for coating adhesion, and create conditions for premature coating delamination \u2014 often within the first year of service.<\/p>\n\n  <p>Both failure modes are avoidable. They require answering six questions in the correct order before purchasing a single bag of media. That is what this guide walks you through. If you want a full technical breakdown of every available media type and their specifications before working through the selection process, start with our overview of <a href=\"https:\/\/www.yourdomain.com\/types-of-abrasive-blasting-media\/\">10 Types of Abrasive Blasting Media: Pros, Cons &amp; Best Uses<\/a>.<\/p>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <!-- STEP 1 -->\n  <div class=\"hlh-step-card\" id=\"step1\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">1<\/div>\n      <h2 itemprop=\"name\">Identify Your Substrate Material<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: What am I blasting, and how sensitive is it?<\/div>\n\n      <p>Your substrate \u2014 the material being blasted \u2014 sets the absolute upper limit on media hardness and aggressiveness. No other factor overrides it. Blasting a carbon fiber reinforced composite panel with aluminum oxide will destroy it, regardless of your coating requirements. Blasting a heavy steel weldment with walnut shells will leave it inadequately prepared, regardless of your budget constraints.<\/p>\n\n      <p>The key properties to assess in your substrate are: <strong>hardness<\/strong> (how hard is the base material?), <strong>thickness<\/strong> (can it absorb aggressive impact without deforming?), <strong>contamination tolerance<\/strong> (will residual iron from steel abrasives cause a problem?), and <strong>dimensional criticality<\/strong> (are there tight tolerances that media abrasion could violate?).<\/p>\n\n      <table class=\"hlh-dt\">\n        <thead>\n          <tr>\n            <th>Substrate<\/th>\n            <th>Sensitivity Level<\/th>\n            <th>Maximum Recommended Media Hardness<\/th>\n            <th>Media to Avoid<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Structural carbon steel (\u22656mm)<\/strong><\/td>\n            <td><span class=\"b b-g\">Bajo<\/span><\/td>\n            <td>Any \u2014 including steel grit HRC 66<\/td>\n            <td>\u2014<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Carbon steel (thin, &lt;3mm)<\/strong><\/td>\n            <td><span class=\"b b-y\">Medium<\/span><\/td>\n            <td>Aluminum oxide (fine grit) or garnet<\/td>\n            <td>Steel grit, coarse silicon carbide<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Acero inoxidable<\/strong><\/td>\n            <td><span class=\"b b-y\">Medium<\/span><\/td>\n            <td>Mohs 9 (Al\u2082O\u2083 WFA) \u2014 no iron-bearing media<\/td>\n            <td>Steel grit, steel shot, garnet (iron traces)<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Aluminum alloy (aircraft)<\/strong><\/td>\n            <td><span class=\"b b-r\">Alta<\/span><\/td>\n            <td>Mohs 3.5 max \u2014 plastic media or glass beads<\/td>\n            <td>All angular mineral media, all steel abrasives<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>CFRP \/ composite<\/strong><\/td>\n            <td><span class=\"b b-r\">Very high<\/span><\/td>\n            <td>Mohs 3.5 max \u2014 plastic media or walnut shell only<\/td>\n            <td>All mineral and metallic media<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Fiberglass \/ GRP<\/strong><\/td>\n            <td><span class=\"b b-r\">Alta<\/span><\/td>\n            <td>Plastic media, walnut shell, glass beads (fine)<\/td>\n            <td>Angular mineral media coarser than 80 grit<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Brass \/ bronze \/ copper<\/strong><\/td>\n            <td><span class=\"b b-y\">Medium<\/span><\/td>\n            <td>Glass beads or corn cob (tumbling)<\/td>\n            <td>Steel abrasives, coarse angular media<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Stone \/ concrete<\/strong><\/td>\n            <td><span class=\"b b-y\">Low\u2013medium<\/span><\/td>\n            <td>Garnet, aluminum oxide, crushed glass<\/td>\n            <td>Steel abrasives, organic media<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Wood \/ historic surfaces<\/strong><\/td>\n            <td><span class=\"b b-r\">Very high<\/span><\/td>\n            <td>Walnut shell, corn cob, sodium bicarbonate<\/td>\n            <td>All mineral and metallic media<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div class=\"hlh-c3-callout co-tip\">\n        <span class=\"hlh-c3-callout-icon\">\u2705<\/span>\n        <div class=\"hlh-c3-callout-body\">\n          <strong>When the substrate is unknown or variable<\/strong>\n          <p>If you are blasting previously coated surfaces and cannot confirm the base material, start with a test panel using your proposed media type before committing to full production. This is standard practice in aerospace MRO and automotive restoration \u2014 and it should be in any precision application.<\/p>\n        <\/div>\n      <\/div>\n\n    <\/div>\n  <\/div>\n\n  <!-- STEP 2 -->\n  <div class=\"hlh-step-card\" id=\"step2\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">2<\/div>\n      <h2 itemprop=\"name\">Define the Required Surface Outcome<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: What do I need the surface to look and feel like after blasting?<\/div>\n\n      <p>Once you know what your substrate can tolerate, the next question is what the process needs to achieve. There are four fundamentally different surface outcomes, and each one points toward a different category of media:<\/p>\n\n      <table class=\"hlh-dt\">\n        <thead>\n          <tr>\n            <th>Required Outcome<\/th>\n            <th>What This Means<\/th>\n            <th>Media Category Required<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Deep anchor profile for heavy-duty coatings<\/strong><\/td>\n            <td>2.0\u20135.0 mil peak-to-valley profile; SSPC-SP10 or SP5 cleanliness<\/td>\n            <td><span class=\"b b-r\">Angular \/ hard<\/span> \u2014 Steel grit, Al\u2082O\u2083 coarse<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Standard coating profile<\/strong><\/td>\n            <td>1.0\u20132.5 mil profile; SSPC-SP10 or SP6 cleanliness<\/td>\n            <td><span class=\"b b-y\">Angular \/ medium<\/span> \u2014 Garnet, Al\u2082O\u2083 medium grit<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Smooth satin finish (no profile)<\/strong><\/td>\n            <td>Peened surface with compressive stress; no coating or thin-film only<\/td>\n            <td><span class=\"b b-g\">Spherical<\/span> \u2014 Glass beads, steel shot<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Cleaning \/ stripping only<\/strong><\/td>\n            <td>Remove paint, grease, or light oxidation without altering surface<\/td>\n            <td><span class=\"b b-g\">Soft angular<\/span> \u2014 Plastic media, walnut shell, corn cob<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <p>The most critical distinction is between <strong>profile creation<\/strong> y <strong>surface cleaning<\/strong>. If a coating system is going back on the surface, you almost certainly need an anchor profile \u2014 and that requires an angular abrasive with sufficient hardness to mechanically abrade the substrate. If you are stripping a coating for inspection, repair, or reapplication to a sensitive substrate, you need a media that removes the coating without touching the base material.<\/p>\n\n      <p>For a full breakdown of the profile depths each media type produces, see our <a href=\"https:\/\/www.yourdomain.com\/abrasive-media-comparison-chart\/\">Abrasive Media Comparison Chart<\/a>.<\/p>\n\n    <\/div>\n  <\/div>\n\n  <!-- STEP 3 -->\n  <div class=\"hlh-step-card\" id=\"step3\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">3<\/div>\n      <h2 itemprop=\"name\">Check the Governing Specification<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: Is this work governed by a coating spec, industry standard, or customer requirement?<\/div>\n\n      <p>In industrial, marine, aerospace, and infrastructure applications, surface preparation is almost never at the discretion of the contractor alone. It is defined by a governing specification that names the required cleanliness grade, surface profile range, and sometimes the acceptable \u2014 or explicitly prohibited \u2014 media types. Ignoring or misreading the spec is one of the most common and expensive mistakes in surface preparation contracting.<\/p>\n\n      <h3>Key Standards to Know<\/h3>\n\n      <table class=\"hlh-dt\">\n        <thead>\n          <tr>\n            <th>Standard \/ Body<\/th>\n            <th>Cleanliness Grades<\/th>\n            <th>Common Application<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>SSPC \/ AMPP<\/strong><\/td>\n            <td>SP5 (White Metal), SP10 (Near-White), SP6 (Commercial), SP7 (Brush-Off)<\/td>\n            <td>Structural steel, bridges, industrial facilities, marine<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>ISO 8501<\/strong><\/td>\n            <td>Sa 3 (equivalent SP5), Sa 2.5 (SP10), Sa 2 (SP6)<\/td>\n            <td>International projects, European specifications<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>NACE<\/strong><\/td>\n            <td>No. 1\u20134 (now merged into SSPC\/AMPP)<\/td>\n            <td>Oil and gas, pipeline, offshore<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>MIL-SPEC<\/strong><\/td>\n            <td>Various \u2014 MIL-A-22262, MIL-S-851 etc.<\/td>\n            <td>US military equipment, aerospace depot maintenance<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Coating Manufacturer Datasheet<\/strong><\/td>\n            <td>Specified per product \u2014 always project-specific<\/td>\n            <td>All applications \u2014 overrides generic standards<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div class=\"hlh-c3-callout co-warn\">\n        <span class=\"hlh-c3-callout-icon\">\u26a0\ufe0f<\/span>\n        <div class=\"hlh-c3-callout-body\">\n          <strong>The coating datasheet overrides everything else<\/strong>\n          <p>When a coating manufacturer specifies a surface profile range \u2014 say, 1.5\u20133.0 mil \u2014 that range is engineered for the adhesion mechanics of that specific product. A profile outside that range, even if technically &#8220;cleaner,&#8221; can cause adhesion failure. Always pull the current coating product datasheet before finalizing media and grit selection.<\/p>\n        <\/div>\n      <\/div>\n\n      <p>Some specifications also explicitly <strong>prohibit certain media types<\/strong>. Common restrictions include: no silica sand (near-universal in regulated jurisdictions), no steel abrasives on stainless steel or galvanized surfaces, no chloride-bearing media on offshore structures, and no coal slag on projects with environmental restrictions on heavy metals. Check the spec for media restrictions before ordering.<\/p>\n\n    <\/div>\n  <\/div>\n\n  <!-- STEP 4 -->\n  <div class=\"hlh-step-card\" id=\"step4\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">4<\/div>\n      <h2 itemprop=\"name\">Match Media to Your Blast Equipment<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: What blast system am I using \u2014 and what media is it designed for?<\/div>\n\n      <p>The four main blast equipment categories each have distinct media compatibility profiles. Using the wrong media in a system damages equipment, produces unpredictable results, and voids warranties. Match your media to your machine first \u2014 then optimise within the compatible range.<\/p>\n\n      <table class=\"hlh-dt\">\n        <thead>\n          <tr>\n            <th>Equipment Type<\/th>\n            <th>C\u00f3mo funciona<\/th>\n            <th>Compatible Media<\/th>\n            <th>Incompatible Media<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Centrifugal Wheel Blast<\/strong><\/td>\n            <td>Spinning impeller wheel throws media at high velocity \u2014 high throughput, automated<\/td>\n            <td>Steel grit, steel shot (exclusively)<\/td>\n            <td>Mineral media, organic media, glass beads \u2014 all damage the wheel impeller<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Direct Pressure Blast<\/strong><\/td>\n            <td>Pressurised vessel feeds media through nozzle \u2014 highest air-blast performance<\/td>\n            <td>Aluminum oxide, garnet, steel grit (limited), glass beads, plastic media, walnut shell<\/td>\n            <td>Corn cob (clogs), sodium bicarbonate (pressure pots only with moisture control)<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Suction \/ Siphon Blast Cabinet<\/strong><\/td>\n            <td>Venturi effect draws media from sump \u2014 lower pressure, best for precision work<\/td>\n            <td>Aluminum oxide, glass beads, plastic media, walnut shell, corn cob<\/td>\n            <td>Heavy steel abrasives (too dense for siphon action), very coarse media (&lt;20 mesh)<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Wet \/ Vapor Blast<\/strong><\/td>\n            <td>Media mixed with water \u2014 eliminates airborne dust, gentler impact<\/td>\n            <td>Aluminum oxide, garnet, glass beads, crushed glass \u2014 any non-water-soluble, non-reactive media<\/td>\n            <td>Steel abrasives (rust contamination of slurry), sodium bicarbonate (dissolves), organic media (swells)<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n\n      <div class=\"hlh-c3-callout co-info\">\n        <span class=\"hlh-c3-callout-icon\">\ud83d\udca1<\/span>\n        <div class=\"hlh-c3-callout-body\">\n          <strong>Equipment nozzle size and media particle size must also match<\/strong>\n          <p>A general rule: the minimum nozzle bore diameter should be at least 3\u00d7 the maximum media particle diameter. Using media that is too coarse for your nozzle causes bridging, inconsistent flow, and pressure fluctuations that ruin surface profile uniformity. Check your nozzle manufacturer&#8217;s media size recommendations before ordering.<\/p>\n        <\/div>\n      <\/div>\n\n    <\/div>\n  <\/div>\n\n  <!-- STEP 5 -->\n  <div class=\"hlh-step-card\" id=\"step5\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">5<\/div>\n      <h2 itemprop=\"name\">Calculate Total Cost of Use<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: What does this media actually cost per square meter of surface processed?<\/div>\n\n      <p>Purchase price per pound is the least useful cost metric in abrasive media selection. The number that determines the real economics of your operation is <strong>cost per unit of surface area processed<\/strong>. This calculation integrates four variables that the per-pound price ignores entirely: media consumption rate, number of reuse cycles, disposal cost, and the productivity impact on blast rate.<\/p>\n\n      <div class=\"hlh-calc-box\">\n        <h3>\ud83d\udcd0 Cost Per Cycle Formula<\/h3>\n        <div class=\"hlh-calc-formula\">\n          <strong>Cost per m\u00b2 = (Price per kg \u00f7 Number of cycles) \u00d7 Consumption rate (kg\/m\u00b2)<\/strong>\n        <\/div>\n        <table class=\"hlh-calc-example\">\n          <tbody>\n            <tr>\n              <td class=\"calc-label\">Example A \u2014 Garnet (single-use):<\/td>\n              <td>$0.90\/kg \u00f7 1 cycle \u00d7 1.2 kg\/m\u00b2 = <strong>$1.08 per m\u00b2<\/strong><\/td>\n            <\/tr>\n            <tr>\n              <td class=\"calc-label\">Example B \u2014 Aluminum Oxide (7 cycles):<\/td>\n              <td>$1.40\/kg \u00f7 7 cycles \u00d7 0.8 kg\/m\u00b2 = <strong>$0.16 per m\u00b2<\/strong><\/td>\n            <\/tr>\n            <tr>\n              <td class=\"calc-label\">Example C \u2014 Steel Grit (120 cycles):<\/td>\n              <td>$1.80\/kg \u00f7 120 cycles \u00d7 0.4 kg\/m\u00b2 = <strong>$0.006 per m\u00b2<\/strong><\/td>\n            <\/tr>\n          <\/tbody>\n        <\/table>\n        <p style=\"font-size:0.8rem;color:var(--muted);margin-top:10px;font-family:'Trebuchet MS',sans-serif\">\n          Note: Figures above are illustrative. Actual consumption rates vary by media type, operating pressure, nozzle size, and substrate condition. Request a project-specific cost model from our technical team.\n        <\/p>\n      <\/div>\n\n      <p>Beyond media consumption, also factor in:<\/p>\n      <ul>\n        <li><strong>Disposal cost:<\/strong> Spent media containing lead, chromium, or other RCRA-regulated metals from blasted coatings may require hazardous waste disposal at $100\u2013$400+ per ton. Media that produces lower volumes of fines reduces this cost.<\/li>\n        <li><strong>Blast productivity:<\/strong> A harder, more angular media at the correct grit size can process a surface 30\u201350% faster than an undersized or under-aggressive media, directly reducing labour cost per square meter.<\/li>\n        <li><strong>Equipment wear:<\/strong> Harder, denser media causes faster nozzle wear (for air blast) or wheel\/impeller wear (for wheel blast). Factor in nozzle replacement frequency when comparing high-hardness media options.<\/li>\n      <\/ul>\n\n      <p>For a detailed per-cycle cost comparison of all major media types, see the <a href=\"https:\/\/www.yourdomain.com\/abrasive-media-comparison-chart\/\">Abrasive Media Comparison Chart<\/a>.<\/p>\n\n    <\/div>\n  <\/div>\n\n  <!-- STEP 6 -->\n  <div class=\"hlh-step-card\" id=\"step6\" itemprop=\"step\" itemscope itemtype=\"https:\/\/schema.org\/HowToStep\">\n    <div class=\"hlh-step-header\">\n      <div class=\"hlh-step-num\" aria-hidden=\"true\">6<\/div>\n      <h2 itemprop=\"name\">Confirm Safety &amp; Regulatory Compliance<\/h2>\n    <\/div>\n    <div class=\"hlh-step-body\" itemprop=\"text\">\n\n      <div class=\"hlh-key-q\">\ud83d\udd11 Ask: Does this media comply with OSHA, site requirements, and waste disposal rules?<\/div>\n\n      <p>The final filter is compliance. Even if a media type is technically optimal for your substrate, specification, equipment, and budget, it must also meet the regulatory requirements of your jurisdiction and worksite. There are three compliance dimensions to verify:<\/p>\n\n      <h3>1. OSHA Crystalline Silica Standard<\/h3>\n      <p>OSHA&#8217;s final rule on occupational exposure to crystalline silica (29 CFR 1910.1053 for general industry; 1926.1153 for construction) sets a PEL of 50 \u00b5g\/m\u00b3 as an 8-hour TWA \u2014 making conventional silica sand blasting effectively non-compliant in most US workplace environments without extraordinary engineering controls. All abrasive media supplied by Jiangsu Henglihong Technology \u2014 aluminum oxide, glass beads, garnet, steel grit, steel shot, walnut shell, corn cob, and plastic media \u2014 are certified silica-free and produce no crystalline silica dust. For full OSHA compliance guidance, see our <a href=\"https:\/\/www.yourdomain.com\/abrasive-media-safety\/\">Abrasive Media Safety Guide<\/a>.<\/p>\n\n      <h3>2. Site-Specific and Client Requirements<\/h3>\n      <p>Many industrial sites \u2014 refineries, power stations, food processing facilities, pharmaceutical plants \u2014 have their own approved media lists and prohibition lists independent of government regulation. Confirm with your site or client before ordering, especially for:<\/p>\n      <ul>\n        <li>Stainless steel surfaces (no iron-bearing media)<\/li>\n        <li>Food-contact or pharmaceutical environments (FDA-approved media only)<\/li>\n        <li>Near-water or environmentally sensitive locations (biodegradable or low-leachate media required)<\/li>\n        <li>Enclosed or confined spaces (low-dust media such as garnet or wet blast required)<\/li>\n      <\/ul>\n\n      <h3>3. Waste Disposal Classification<\/h3>\n      <p>Spent blast media is classified under RCRA as a solid waste, and may be elevated to <strong>hazardous waste<\/strong> if TCLP testing reveals concentrations of lead, chromium, cadmium, arsenic, or other regulated metals above threshold levels \u2014 which can occur when blasting old painted steel containing lead-based coatings. Before committing to a large-scale project on painted structural steel of unknown coating history, factor in the cost of hazardous waste characterisation and disposal. Garnet and glass beads typically produce the most environmentally clean spent media; steel abrasives in wheel-blast systems accumulate metallic fines that require periodic characterisation.<\/p>\n\n    <\/div>\n  <\/div>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <h2 id=\"quick-pick\">Quick-Pick Flowchart: Most Common Scenarios<\/h2>\n\n  <p>If your project fits a standard scenario, use the flowchart below to reach a media recommendation in seconds. For non-standard applications or unusual substrate combinations, work through the full six-step framework above or <a href=\"https:\/\/www.yourdomain.com\/contact\/\">contact our technical team<\/a> directly.<\/p>\n\n  <div class=\"hlh-flow\" aria-label=\"Abrasive media quick selection flowchart\">\n    <p class=\"hlh-flow-title\">\u26a1 Quick-Pick: Match your situation to a media recommendation<\/p>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Blasting heavy structural carbon steel for industrial coatings?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">High volume \/ wheel blast<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/www.yourdomain.com\/steel-grit-vs-steel-shot\/\">\u2192 Steel Grit (G25\u2013G40)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Pressure blast \/ portable<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/aluminum-oxide\/\">\u2192 Aluminum Oxide (36\u201360 grit)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Low dust \/ marine \/ confined space<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/garnet-sand\/\">\u2192 Garnet (30\u201360 mesh)<\/a><\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-flow-sep\"><\/div>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Finishing stainless steel \u2014 need a smooth, clean surface?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Satin finish, no profile<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/glass-beads-sandblasting\/\">\u2192 Glass Beads (80\u2013150 mesh)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Light surface prep, fine profile<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/aluminum-oxide\/\">\u2192 Aluminum Oxide WFA (120\u2013180 grit)<\/a><\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-flow-sep\"><\/div>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Stripping paint from aircraft skin or composite panels?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Aluminum or CFRP skin<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/plastic-media\/\">\u2192 Plastic Media (Type I \/ II \/ III)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Very light contamination only<\/span>\n          <span class=\"hlh-flow-result\">Walnut Shell (medium grit)<\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-flow-sep\"><\/div>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Automotive restoration \u2014 stripping body panels &amp; chassis?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Sheet metal body panels<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/glass-beads-sandblasting\/\">\u2192 Glass Beads (80\u2013120 mesh)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Heavy rust on frame \/ chassis<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/aluminum-oxide\/\">\u2192 Aluminum Oxide (60\u201380 grit)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Fiberglass body panels<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/plastic-media\/\">\u2192 Plastic Media or Walnut Shell<\/a><\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-flow-sep\"><\/div>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Peening for fatigue life improvement?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Production \/ wheel blast peening<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/steel-shots\/\">\u2192 Steel Shot (S110\u2013S330)<\/a><\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Precision \/ aerospace peening<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/glass-beads-sandblasting\/\">\u2192 Glass Beads (per AMS 2431)<\/a><\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"hlh-flow-sep\"><\/div>\n\n    <div class=\"hlh-flow-row\">\n      <div class=\"hlh-flow-q\">Polishing jewelry, brass, or precision components?<\/div>\n      <div class=\"hlh-flow-answers\">\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Vibratory \/ tumbling<\/span>\n          <span class=\"hlh-flow-result\">Corn Cob (fine mesh)<\/span>\n        <\/div>\n        <div class=\"hlh-flow-a\">\n          <span class=\"hlh-flow-cond\">Cabinet blast<\/span>\n          <span class=\"hlh-flow-result\"><a href=\"https:\/\/hlh-js.com\/products\/glass-beads-sandblasting\/\">\u2192 Glass Beads (150\u2013325 mesh)<\/a><\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <h2 id=\"mistakes\">5 Most Common Abrasive Media Selection Mistakes<\/h2>\n\n  <p>Even experienced operators fall into recurring selection errors. These are the five we see most frequently \u2014 and each one is entirely preventable.<\/p>\n\n  <div class=\"hlh-mistakes\">\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #1<\/div>\n      <h4>Choosing media based on price per bag alone<\/h4>\n      <p>Single-use media at $0.60\/kg looks cheap. Aluminum oxide at $1.40\/kg with 7 cycles costs $0.16\/kg equivalent. The bag price is irrelevant without the recyclability denominator.<\/p>\n    <\/div>\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #2<\/div>\n      <h4>Using steel abrasives on stainless steel<\/h4>\n      <p>Iron particles from steel grit or steel shot embed in the stainless surface, initiating corrosion at the contamination points. This failure mode is subtle, delayed, and very expensive to remediate.<\/p>\n    <\/div>\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #3<\/div>\n      <h4>Ignoring the coating specification&#8217;s profile range<\/h4>\n      <p>Blasting to SSPC-SP10 cleanliness with the wrong grit size and producing a 0.8 mil profile when the coating requires 1.5\u20132.5 mil is a guaranteed adhesion failure \u2014 regardless of how clean the surface looks.<\/p>\n    <\/div>\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #4<\/div>\n      <h4>Running mineral media through a wheel blast machine<\/h4>\n      <p>Wheel blast impellers and liners are engineered for the density and hardness range of steel abrasives. Loading them with garnet or aluminum oxide causes rapid, expensive wear and inconsistent blast patterns.<\/p>\n    <\/div>\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #5<\/div>\n      <h4>Reusing media across incompatible substrates<\/h4>\n      <p>Media used on painted steel picks up lead, coating residue, and iron fines. Running that same media on stainless or aluminum introduces the very contaminants you are trying to remove. Keep substrate-specific media batches separate.<\/p>\n    <\/div>\n    <div class=\"hlh-mistake-card\">\n      <div class=\"mk-num\">Mistake #6 (Bonus)<\/div>\n      <h4>Storing media in humid conditions<\/h4>\n      <p>Moisture causes mineral media to clump, organic media to mould, and steel media to rust. Contaminated media produces inconsistent results and can introduce moisture-related adhesion problems on the blasted surface.<\/p>\n    <\/div>\n  <\/div>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <h2 id=\"checklist\">Pre-Order Selection Checklist<\/h2>\n\n  <p>Before placing your media order, confirm you can answer yes to every item on this list. If any item is unresolved, work through the relevant step above or contact our technical team before proceeding.<\/p>\n\n  <ul class=\"hlh-checklist\">\n    <li>I have identified my substrate material, thickness, and sensitivity level<\/li>\n    <li>I know the required surface cleanliness grade (SSPC\/ISO) for this project<\/li>\n    <li>I have the coating manufacturer&#8217;s datasheet and confirmed the required profile range (in mils or \u00b5m)<\/li>\n    <li>I have confirmed my blast equipment type and verified the media is compatible<\/li>\n    <li>I have calculated cost per blast cycle \u2014 not just purchase price per pound<\/li>\n    <li>I have verified the media is silica-free and OSHA-compliant for my work environment<\/li>\n    <li>I have checked for any site-specific or client-specific media restrictions<\/li>\n    <li>I have considered spent media disposal classification and cost<\/li>\n    <li>I have checked storage conditions at the job site are appropriate for the media type<\/li>\n    <li>I have confirmed grit size is appropriate for the required surface profile depth<\/li>\n  <\/ul>\n\n  <!-- \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 -->\n  <h2 id=\"faq\">Preguntas frecuentes<\/h2>\n\n  <div class=\"hlh-c3-faq\">\n    <details>\n      <summary>How do I know which abrasive media is right for my project?<\/summary>\n      <div class=\"faq-body\">\n        <p>Work through the six-step framework in this guide: identify your substrate, define the required surface outcome, check the governing specification, confirm equipment compatibility, calculate total cost of use, and verify regulatory compliance. In most cases, these six filters narrow the field to one or two clear choices. For edge cases, contact Jiangsu Henglihong Technology&#8217;s technical team \u2014 we provide free media selection consultation for all enquiries.<\/p>\n      <\/div>\n    <\/details>\n    <details>\n      <summary>Can I use any abrasive media in my blast cabinet?<\/summary>\n      <div class=\"faq-body\">\n        <p>No. Suction blast cabinets work best with lighter media \u2014 aluminum oxide, glass beads, and plastic media \u2014 in the 40\u2013220 mesh range. Heavy steel abrasives are too dense for siphon action and will jam the pickup tube. Direct pressure blast systems handle a wider range. Wheel blast machines are engineered exclusively for steel grit and steel shot. Using incompatible media in any system causes equipment damage and inconsistent results.<\/p>\n      <\/div>\n    <\/details>\n    <details>\n      <summary>What happens if I use the wrong abrasive media?<\/summary>\n      <div class=\"faq-body\">\n        <p>The failure mode depends on the direction of the error. Too aggressive \u2014 warped panels, dimensional loss, iron contamination, destroyed composite fibres. Too soft \u2014 insufficient cleanliness grade, inadequate surface profile, coating adhesion failure within 6\u201318 months. Both are costly. The most expensive outcome is discovering the error after the coating system has been applied and has begun to delaminate.<\/p>\n      <\/div>\n    <\/details>\n    <details>\n      <summary>Does grit size affect which media type I should choose?<\/summary>\n      <div class=\"faq-body\">\n        <p>Grit size is a secondary variable you optimise after selecting the media type. Within any given media type, coarser grits produce deeper profiles and faster blast rates; finer grits produce shallower profiles and smoother finishes. Determine media type first (based on substrate and required outcome), then select grit size to hit the profile depth specified in your coating datasheet. A good starting point: for a 1.5\u20132.0 mil profile with aluminum oxide, use 60\u201380 grit; for 2.5\u20133.5 mil, use 36\u201346 grit.<\/p>\n      <\/div>\n    <\/details>\n    <details>\n      <summary>How do I compare the cost of recyclable vs single-use media?<\/summary>\n      <div class=\"faq-body\">\n        <p>Use the cost-per-cycle formula: (price per kg \u00f7 number of reuse cycles) \u00d7 consumption rate per m\u00b2. A single-use media at $0.80\/kg consuming 1.0 kg\/m\u00b2 costs $0.80\/m\u00b2. A recyclable media at $1.40\/kg with 8 cycles consuming 0.7 kg\/m\u00b2 costs $0.12\/m\u00b2 \u2014 a 6.5\u00d7 cost advantage. Over a large project, this difference is substantial. Request a project-specific cost model from our technical sales team if you need precise figures for your application.<\/p>\n      <\/div>\n    <\/details>\n  <\/div>\n\n  <!-- CTA -->\n  <div class=\"hlh-c3-cta\">\n    <h2>Skip the Guesswork \u2014 Talk to Our Technical Team<\/h2>\n    <p>Describe your substrate, coating spec, and equipment and we will recommend the exact media type, grit size, and quantity for your project \u2014 at no charge.<\/p>\n    <a class=\"hlh-c3-btn\" href=\"https:\/\/hlh-js.com\/contact\/\">Get Free Media Selection Advice<\/a>\n    <a class=\"hlh-c3-btn out\" href=\"https:\/\/hlh-js.com\/products\/\">View Products &amp; Pricing \u2192<\/a>\n  <\/div>\n\n\n<\/article>","protected":false},"excerpt":{"rendered":"<p>How to Choose the Right Abrasive Media for Your Project  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12462,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12425","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/12425","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/comments?post=12425"}],"version-history":[{"count":5,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/12425\/revisions"}],"predecessor-version":[{"id":12497,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/12425\/revisions\/12497"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/media\/12462"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/media?parent=12425"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/categories?post=12425"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/tags?post=12425"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}