{"id":12793,"date":"2026-04-13T02:23:32","date_gmt":"2026-04-13T02:23:32","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12793"},"modified":"2026-04-14T03:18:33","modified_gmt":"2026-04-14T03:18:33","slug":"how-to-choose-the-right-blasting-media-a-step-by-step-selection-guide","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/de\/resource\/blog\/how-to-choose-the-right-blasting-media-a-step-by-step-selection-guide\/","title":{"rendered":"How to Choose the Right Blasting Media: A Step-by-Step Selection Guide"},"content":{"rendered":"<!-- ============================================================\n     CLUSTER 2: How to Choose the Right Blasting Media\n     Jiangsu Henglihong Technology Co., Ltd.\n     URL: https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\n     Pillar back-link: https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\n     Word count target: ~2,000 words\n     Updated: March 2026\n     ============================================================ -->\n\n<!-- ===== JSON-LD SCHEMA ===== -->\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@graph\": [\n        {\n            \"@type\": \"Article\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/how-to-choose-the-right-blasting-media\\\/#article\",\n            \"headline\": \"How to Choose the Right Blasting Media: A Complete Selection Guide (2026)\",\n            \"description\": \"A practical, step-by-step framework for selecting the correct blasting media for any industrial application \\u2014 covering substrate matching, surface profile requirements, environmental compliance, and total cost calculation.\",\n            \"image\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/how-to-choose-blasting-media.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\\\/how-to-choose-the-right-blasting-media\\\/\"\n        },\n        {\n            \"@type\": \"FAQPage\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/how-to-choose-the-right-blasting-media\\\/#faq\",\n            \"mainEntity\": [\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"How do I choose the right blasting media for my application?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Choose blasting media by working through four factors in order: (1) substrate material and hardness \\u2014 never use media harder than the substrate when dimensional tolerance matters; (2) required surface cleanliness grade and anchor profile depth per your coating specification; (3) environmental and safety constraints \\u2014 silica-free media is mandatory in most jurisdictions; (4) total cost per m\\u00b2 including recyclability, not just unit purchase price. Use a substrate-to-media matching matrix to narrow the field, then verify against your coating manufacturer's requirements.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What blasting media should I use for steel?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"For carbon and structural steel requiring a heavy-duty coating system, aluminum oxide (36\\u201380 grit), garnet (30\\u201380 mesh), or steel grit (GL25\\u2013GL40) are the standard choices. They produce Sa 2.5 \\\/ SSPC-SP10 cleanliness and 50\\u2013100 \\u00b5m anchor profiles suitable for epoxy, polyurethane, and zinc-rich primers. Avoid glass bead and plastic media on structural steel \\u2014 they lack the aggression needed to remove mill scale and heavy corrosion.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is the cheapest blasting media?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Copper slag and coal slag have the lowest purchase price per tonne ($80\\u2013$200\\\/MT), but they are single-use and generate large waste volumes. When total cost per m\\u00b2 is calculated over a production run, recyclable media like aluminum oxide (100\\u2013200 cycles) or steel grit (500+ cycles) are often significantly cheaper despite a higher unit price. Always compare cost per m\\u00b2 treated, not price per kilogram.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"Can I use the same blasting media for different materials?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Rarely advisable in practice. Different substrates have different hardness and sensitivity levels \\u2014 media suitable for structural carbon steel will damage thin aluminum sheet, and media correct for composites will be completely ineffective on heavy mill scale. Dedicated media specifications for each substrate type produce more consistent results, better cost control, and fewer rework incidents.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"How does grit size affect the surface profile?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Grit size is the primary control on surface profile (anchor depth). Coarser grit (lower number, e.g. F24 or 30 mesh) produces deeper peaks and valleys \\u2014 higher Ra and Rz values. Finer grit (higher number, e.g. F120 or 80 mesh) produces a shallower, smoother profile. 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}\n    .c2-hero h1 { font-size: 1.6rem; }\n    .c2-step { flex-direction: column; gap: 10px; }\n    .c2-step-num { width: 38px; height: 38px; font-size: 1rem; }\n    .c2-cost-grid { grid-template-columns: 1fr; }\n    .c2-cta { padding: 26px 20px; }\n    .c2-article h2 { font-size: 1.38rem; }\n  }\n<\/style>\n\n<!-- ===== ARTICLE WRAPPER ===== -->\n<article class=\"c2-article\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n\n  <!-- HERO -->\n  <div class=\"c2-hero\">\n    <span class=\"c2-hero-label\">Selection Framework \u00b7 March 2026<\/span>\n    <h1 itemprop=\"headline\">How to Choose the Right Blasting Media: A Step-by-Step Selection Guide<\/h1>\n    <p class=\"c2-hero-sub\">A structured, four-step decision framework used by industrial surface preparation professionals to match blasting media to substrate, surface profile requirement, regulatory environment, and total cost target \u2014 every time.<\/p>\n    <div class=\"c2-hero-meta\">Updated March 2026 &nbsp;\u00b7&nbsp; 10-minute read &nbsp;\u00b7&nbsp; Jiangsu Henglihong Technology Co., Ltd.<\/div>\n  <\/div>\n\n  <!-- PILLAR BACK-LINK -->\n  <div class=\"c2-pillar-link\">\n    <span>\ud83d\udcd6<\/span>\n    <span>Part of our complete resource series. For a full overview of all abrasive types and applications, visit the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a>.<\/span>\n  <\/div>\n\n  <!-- TOC -->\n  <nav class=\"c2-toc\" aria-label=\"Table of Contents\">\n    <div class=\"c2-toc-title\">Table of Contents<\/div>\n    <ol>\n      <li><a href=\"#c2-why-selection-matters\">Why Media Selection Matters More Than You Think<\/a><\/li>\n      <li><a href=\"#c2-step1\">Step 1 \u2014 Identify Your Substrate<\/a><\/li>\n      <li><a href=\"#c2-step2\">Step 2 \u2014 Define the Required Surface Profile<\/a><\/li>\n      <li><a href=\"#c2-step3\">Step 3 \u2014 Check Environmental &amp; Safety Constraints<\/a><\/li>\n      <li><a href=\"#c2-step4\">Step 4 \u2014 Calculate Total Cost Per m\u00b2<\/a><\/li>\n      <li><a href=\"#c2-grit\">Grit Size Selection Reference<\/a><\/li>\n      <li><a href=\"#c2-equipment\">Kompatibilit\u00e4t der Ger\u00e4te<\/a><\/li>\n      <li><a href=\"#c2-checklist\">Pre-Order Decision Checklist<\/a><\/li>\n      <li><a href=\"#c2-faq\">H\u00e4ufig gestellte Fragen<\/a><\/li>\n    <\/ol>\n  <\/nav>\n\n  <!-- SECTION 1 -->\n  <h2 id=\"c2-why-selection-matters\">1. Why Media Selection Matters More Than You Think<\/h2>\n\n  <p>In most blasting operations, media selection is treated as a procurement decision rather than an engineering one \u2014 someone calls a supplier, asks for &#8220;aluminum oxide 80 grit&#8221; or &#8220;whatever we used last time,&#8221; and places the order. This approach works until it doesn&#8217;t: until a batch of stainless steel parts is contaminated with iron particles from the wrong abrasive, until thin aluminum panels warp under coarse grit at full pressure, until a coating fails adhesion testing because the anchor profile was 15 \u00b5m shallower than the primer specification required, or until the quarterly media budget is blown because single-use slag was specified for a recirculating cabinet system.<\/p>\n\n  <p>The correct blasting media specification is the foundation of every downstream quality outcome. Cleanliness grade, surface profile, coating adhesion, substrate integrity, worker safety compliance, and total operating cost per m\u00b2 all depend directly on media selection. Working through the four-step framework below \u2014 in sequence \u2014 eliminates the most common and costly selection errors before they reach the production floor.<\/p>\n\n  <div class=\"c2-highlight\">\n    <span class=\"c2-highlight-label\">The Core Principle<\/span>\n    Never evaluate blasting media on purchase price alone. The correct metric is <strong>cost per m\u00b2 of acceptable, inspected surface delivered<\/strong> \u2014 a figure that integrates media price, consumption rate, recycle life, waste disposal cost, and rework avoidance.\n  <\/div>\n\n  <!-- SECTION 2 -->\n  <h2 id=\"c2-step1\">2. Step 1 \u2014 Identify Your Substrate Material and Sensitivity<\/h2>\n\n  <p>The physical and chemical properties of the substrate set hard constraints on which media can be used. The primary rule is simple: <strong>never specify media that is significantly harder than the substrate when dimensional tolerance, surface geometry, or metallurgical integrity is critical.<\/strong> In practice this means working from the substrate outward to the media, not the other way around.<\/p>\n\n  <div class=\"c2-steps\">\n    <div class=\"c2-step\">\n      <div class=\"c2-step-num\">1<\/div>\n      <div class=\"c2-step-body\">\n        <h3>Determine substrate hardness and thickness<\/h3>\n        <p>Thin-gauge sheet metal, composite panels, and precision-machined components have much narrower tolerance for abrasive aggression than heavy structural sections. A 3 mm aluminum hood panel and a 25 mm structural steel plate both call for &#8220;surface preparation&#8221; \u2014 but they require completely different media, grit sizes, and blast pressures.<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"c2-step\">\n      <div class=\"c2-step-num\">2<\/div>\n      <div class=\"c2-step-body\">\n        <h3>Check for contamination sensitivity<\/h3>\n        <p>Stainless steel, titanium, and nickel alloys cannot tolerate iron contamination from metallic or iron-bearing abrasives \u2014 embedded iron particles initiate corrosion that defeats the entire purpose of the surface treatment. These substrates require clean, iron-free mineral abrasives (white fused aluminum oxide or garnet) or glass bead. Verify that your supplier can certify free-iron content per your specification.<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"c2-step\">\n      <div class=\"c2-step-num\">3<\/div>\n      <div class=\"c2-step-body\">\n        <h3>Check for composite or fiber-reinforced structures<\/h3>\n        <p>Carbon fiber reinforced polymer (CFRP), fiberglass, and Kevlar composites must be blasted exclusively with plastic blast media. Any mineral or metallic abrasive \u2014 regardless of grit size \u2014 will sever reinforcing fibers, cause delamination, and create sub-surface damage invisible to visual inspection. This is non-negotiable in aerospace, marine, and automotive composite repair specifications. See our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">plastic blast media guide<\/a> for full detail.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <h3>Substrate-to-Media Matching Matrix<\/h3>\n  <p>Use the table below as your starting filter. Identify your substrate in the left column, then narrow from the primary media recommendations before applying Steps 2\u20134 to make the final selection. For a more detailed overview of each media type&#8217;s properties, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/types-of-blasting-media-complete-guide\/\" target=\"_blank\" rel=\"noopener\">complete types of blasting media guide<\/a>.<\/p>\n\n  <div class=\"c2-matrix-wrap\">\n    <table class=\"c2-matrix\">\n      <thead>\n        <tr>\n          <th>Substrate<\/th>\n          <th>Key Constraint<\/th>\n          <th>Primary Media<\/th>\n          <th>Alternative<\/th>\n          <th>Avoid<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Carbon \/ structural steel<\/td>\n          <td>Heavy scale, rust, high-build coatings<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Aluminum Oxide 36\u201380G<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Steel Grit GL25\u201340<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Garnet 30\u201380M<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Glass Bead<\/span> <span class=\"c2-tag c2-tag-avoid\">Kunststoff<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Rostfreier Stahl<\/td>\n          <td>No iron contamination<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">White Al\u2082O\u2083 80\u2013120G<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Glass Bead #8\u201313<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Garnet 60\u201380M<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Steel Grit\/Shot<\/span> <span class=\"c2-tag c2-tag-avoid\">Copper Slag<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Aluminum (structural)<\/td>\n          <td>Moderate aggression, no iron<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Al\u2082O\u2083 100\u2013150G<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Glass Bead #10\u201313<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Garnet 80M<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Stahlkies<\/span> <span class=\"c2-tag c2-tag-avoid\">Coarse Slag<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Aluminum (thin sheet \/ body panel)<\/td>\n          <td>Warp prevention; very low aggression<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Plastic Media 16\u201340M<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Glass Bead #12\u201313<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Fine Al\u2082O\u2083 180\u2013220G<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Any coarse angular media<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>CFRP \/ Fiberglass composite<\/td>\n          <td>No fiber damage; no substrate removal<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Plastic Media (Urea\/Acrylic)<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Walnut Shell (light clean only)<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">All mineral &amp; metallic abrasives<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Titanium \/ Ni superalloy<\/td>\n          <td>No iron or metallic contamination<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Virgin White Al\u2082O\u2083 80\u2013120G<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Garnet (low-iron certified)<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Stahlkies<\/span> <span class=\"c2-tag c2-tag-avoid\">Brown Al\u2082O\u2083 (high Fe\u2082O\u2083)<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Glass \/ ceramics<\/td>\n          <td>Etching \/ surface texturing<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Silicon Carbide 60\u2013220G<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Al\u2082O\u2083 (slower cut)<\/span> <span class=\"c2-tag c2-tag-secondary\">Glass Bead (frosting)<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Steel or metallic abrasives<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Cast iron \/ foundry castings<\/td>\n          <td>Scale, sand, and burr removal<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Steel Shot S230\u2013S330<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Steel Grit G25<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Al\u2082O\u2083 36\u201354G<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">Glass Bead (insufficient)<\/span><\/td>\n        <\/tr>\n        <tr>\n          <td>Stone \/ masonry<\/td>\n          <td>Cleaning or texturing without damage<\/td>\n          <td>\n            <span class=\"c2-tag c2-tag-primary\">Garnet 30\u201380M<\/span>\n            <span class=\"c2-tag c2-tag-primary\">Al\u2082O\u2083 60\u2013120G<\/span>\n          <\/td>\n          <td><span class=\"c2-tag c2-tag-secondary\">Walnut Shell (monuments, delicate)<\/span><\/td>\n          <td><span class=\"c2-tag c2-tag-avoid\">SiC on soft stone (over-aggression)<\/span><\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <!-- SECTION 3 -->\n  <h2 id=\"c2-step2\">3. Step 2 \u2014 Define the Required Surface Profile<\/h2>\n\n  <p>Every industrial coating system \u2014 primer, topcoat, thermal spray, adhesive, or plating \u2014 specifies a minimum and maximum surface profile (anchor depth), typically expressed in \u00b5m Ra, Rz, or Ry, and measured with a Testex Press-O-Film tape or a contact profilometer per ISO 8503 or ASTM D4417. Getting outside the specified range in either direction causes problems: too shallow and the coating cannot achieve adequate mechanical adhesion; too deep and peaks protrude through the coating film, creating corrosion initiation sites.<\/p>\n\n  <p>Two media properties control profile depth: <strong>particle size (grit)<\/strong> und <strong>particle shape (angular vs. spherical)<\/strong>.<\/p>\n\n  <ul>\n    <li><strong>Angular media<\/strong> (aluminum oxide, steel grit, garnet, silicon carbide, copper slag) \u2014 cut into the surface, producing sharp peaks and deep valleys. Higher Rz values, better mechanical key for heavy-build coatings.<\/li>\n    <li><strong>Spherical media<\/strong> (glass bead, steel shot) \u2014 peen the surface, producing rounded dimples. Lower Rz values, smoother finish. Preferred for peening applications, decorative finishes, and thin-film coatings.<\/li>\n    <li><strong>Coarser grit = deeper profile.<\/strong> Finer grit = shallower profile. This relationship is approximately linear within a media type at constant blast pressure and standoff distance.<\/li>\n  <\/ul>\n\n  <div class=\"c2-highlight\">\n    <span class=\"c2-highlight-label\">Critical Rule<\/span>\n    Always obtain the surface profile specification from your coating manufacturer&#8217;s Product Data Sheet (PDS) <em>before<\/em> selecting grit size. If the PDS specifies &#8220;anchor profile 40\u201370 \u00b5m,&#8221; confirm your chosen media and grit will consistently produce within that window using your actual blast equipment \u2014 not theoretical data alone.\n  <\/div>\n\n  <!-- SECTION 4 -->\n  <h2 id=\"c2-step3\">4. Step 3 \u2014 Apply Environmental and Safety Constraints<\/h2>\n\n  <p>Regulatory and environmental requirements are non-negotiable constraints that override purely technical or economic preferences. Three areas require attention in every blasting media specification.<\/p>\n\n  <h3>Silica-Free Mandate<\/h3>\n  <p>Crystalline silica sand is effectively banned from professional blasting operations in the EU, UK, USA (OSHA 29 CFR 1926.1153), Canada, Australia, and most industrialized countries due to the silicosis risk from respirable crystalline silica (RCS) dust. If your current specification still references silica sand, replace it immediately with aluminum oxide, garnet, glass bead, or steel abrasives. 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> covers the full regulatory framework and PPE requirements.<\/p>\n\n  <h3>Spent Media Classification<\/h3>\n  <p>When media is used on surfaces coated with lead paint, chromate primers, or other hazardous coatings, the spent abrasive becomes a hazardous waste requiring licensed collection and disposal. Choosing a highly recyclable media (aluminum oxide, steel grit) minimizes the volume of spent material requiring disposal over a production run \u2014 a significant cost and compliance benefit. For environmentally sensitive sites or projects near waterways, garnet and aluminum oxide are the preferred specifications. 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> for full detail.<\/p>\n\n  <h3>Substrate Contamination Risk<\/h3>\n  <p>Some media types introduce chemical contamination that creates downstream problems. Steel abrasives leave iron particles embedded in the surface of stainless steel and non-ferrous metals, triggering corrosion. Copper slag can introduce copper ions onto surfaces that will be electroplated or used in food contact applications. Always verify that your chosen media is chemically compatible with downstream processes \u2014 plating, anodizing, welding, bonding, or food contact use.<\/p>\n\n  <div class=\"c2-warning\">\n    <span class=\"c2-warning-label\">Compliance Note<\/span>\n    In March 2026, OSHA&#8217;s Respirable Crystalline Silica Standard (29 CFR 1926.1153) remains in full enforcement for construction and general industry in the United States. The EU&#8217;s Directive 2017\/2398 on carcinogens and mutagens similarly governs RCS exposure across EU member states. Non-compliance carries significant penalty exposure in addition to the health risk to workers.\n  <\/div>\n\n  <!-- SECTION 5 -->\n  <h2 id=\"c2-step4\">5. Step 4 \u2014 Calculate Total Cost Per m\u00b2<\/h2>\n\n  <p>This is the step most buyers skip \u2014 and it is consistently where the largest cost savings are found. Media with a higher unit price per kilogram is frequently cheaper per m\u00b2 of surface treated when recyclability is factored in. The formula is straightforward:<\/p>\n\n  <p style=\"background:#f4f7fb;border:1px solid #d4dde8;border-radius:7px;padding:14px 18px;font-family:'Trebuchet MS',sans-serif;font-size:0.92rem;line-height:1.8;margin:16px 0 22px;\">\n    <strong>Cost per m\u00b2<\/strong> = (Price per kg \u00f7 Recycle cycles) \u00d7 Consumption rate (kg\/m\u00b2) + Disposal cost per kg \u00d7 Waste generated per m\u00b2\n  <\/p>\n\n  <div class=\"c2-cost-grid\">\n    <div class=\"c2-cost-card\">\n      <h4>Example A: Copper Slag (single-use)<\/h4>\n      <p>Unit price: $0.12\/kg<br>\n      Recycle cycles: 1<br>\n      Consumption: ~0.8 kg\/m\u00b2<br>\n      Disposal: $0.08\/kg<br>\n      <strong>Total cost\/m\u00b2: ~$0.16 + $0.06 = $0.22<\/strong><\/p>\n    <\/div>\n    <div class=\"c2-cost-card highlight-card\">\n      <h4>Example B: Aluminum Oxide (recirculating cabinet)<\/h4>\n      <p>Unit price: $0.75\/kg<br>\n      Recycle cycles: 150<br>\n      Consumption per cycle: ~0.005 kg\/m\u00b2<br>\n      Disposal: minimal<br>\n      <strong>Total cost\/m\u00b2: ~$0.004 \u2014 over 50\u00d7 cheaper per m\u00b2<\/strong><\/p>\n    <\/div>\n  <\/div>\n\n  <p>The numbers above are illustrative \u2014 actual consumption rates vary by media type, blast pressure, substrate condition, and nozzle size. But the principle is consistent: <strong>in any recirculating blast system, recyclable media will almost always outperform single-use alternatives on a cost-per-m\u00b2 basis<\/strong>, often dramatically so. Request a full cost-per-m\u00b2 analysis from your supplier before making any specification change. For detailed price benchmarks across all media types as of March 2026, 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 &amp; ROI Analysis<\/a>.<\/p>\n\n  <!-- SECTION 6 -->\n  <h2 id=\"c2-grit\">6. Grit Size Selection Reference<\/h2>\n\n  <p>Once media type is determined, grit size is the primary tuning parameter for surface profile depth. The table below covers the most common grit\/mesh ranges for aluminum oxide and garnet \u2014 the two most widely used mineral abrasives for industrial surface preparation \u2014 with indicative profile ranges and typical applications. Always verify against your specific coating system&#8217;s PDS.<\/p>\n\n  <div class=\"c2-grit-table-wrap\">\n    <table class=\"c2-grit-table\">\n      <thead>\n        <tr>\n          <th>Grit \/ Mesh<\/th>\n          <th>Approx. Particle Size<\/th>\n          <th>Profile Depth (Al\u2082O\u2083)<\/th>\n          <th>Typical Application<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>F16 \/ 16 Mesh<\/td>\n          <td>1,180\u20131,400 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:100%\"><\/span><\/span>\n            100\u2013130 \u00b5m\n          <\/td>\n          <td>Very heavy mill scale, severe corrosion, thick epoxy removal<\/td>\n        <\/tr>\n        <tr>\n          <td>F24 \/ 24 Mesh<\/td>\n          <td>710\u20131,000 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:85%\"><\/span><\/span>\n            80\u2013110 \u00b5m\n          <\/td>\n          <td>Heavy structural steel prep, high-build coating systems<\/td>\n        <\/tr>\n        <tr>\n          <td>F36 \/ 36 Mesh<\/td>\n          <td>500\u2013710 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:72%\"><\/span><\/span>\n            65\u201390 \u00b5m\n          <\/td>\n          <td>General steel surface prep, pipeline coating, Sa 2.5 \/ SSPC-SP10<\/td>\n        <\/tr>\n        <tr>\n          <td>F54 \/ 54 Mesh<\/td>\n          <td>355\u2013500 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:58%\"><\/span><\/span>\n            50\u201370 \u00b5m\n          <\/td>\n          <td>Standard industrial prep, epoxy and zinc primer systems<\/td>\n        <\/tr>\n        <tr>\n          <td>F80 \/ 80 Mesh<\/td>\n          <td>212\u2013300 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:42%\"><\/span><\/span>\n            35\u201355 \u00b5m\n          <\/td>\n          <td>Stainless steel, moderate coating prep, pre-electroplating<\/td>\n        <\/tr>\n        <tr>\n          <td>F120 \/ 120 Mesh<\/td>\n          <td>106\u2013150 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:26%\"><\/span><\/span>\n            20\u201335 \u00b5m\n          <\/td>\n          <td>Fine surface conditioning, pre-anodizing, thin-film coatings<\/td>\n        <\/tr>\n        <tr>\n          <td>F180\u2013F220<\/td>\n          <td>53\u201390 \u00b5m<\/td>\n          <td>\n            <span class=\"c2-profile-bar-bg\"><span class=\"c2-profile-bar-fill\" style=\"width:14%\"><\/span><\/span>\n            10\u201320 \u00b5m\n          <\/td>\n          <td>Precision finishing, decorative metalwork, pre-PVD\/CVD coating<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n\n  <p style=\"font-size:0.82rem;color:#7a8a9a;margin-top:-16px;\">Profile ranges are indicative for brown fused aluminum oxide at 5\u20137 bar blast pressure, 150\u2013200 mm standoff. Actual profiles will vary by equipment, nozzle wear, blast angle, and substrate condition.<\/p>\n\n  <!-- SECTION 7 -->\n  <h2 id=\"c2-equipment\">7. Equipment Compatibility<\/h2>\n\n  <p>Media selection cannot be made in isolation from the blasting equipment being used. Different equipment types have different media compatibility profiles \u2014 specifying incompatible media causes equipment damage, poor blast consistency, or significant dust generation that creates health exposure liabilities.<\/p>\n\n  <div class=\"c2-equip-table-wrap\">\n    <table class=\"c2-equip-table\">\n      <thead>\n        <tr>\n          <th>Equipment Type<\/th>\n          <th>Al\u2082O\u2083<\/th>\n          <th>Steel Grit\/Shot<\/th>\n          <th>Granat<\/th>\n          <th>Glass Bead<\/th>\n          <th>Plastische Medien<\/th>\n          <th>Notes<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td>Pressure blast pot (open air)<\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-maybe\">\u25b3<\/span><\/td>\n          <td><span class=\"c2-maybe\">\u25b3<\/span><\/td>\n          <td>Glass bead and plastic require moisture-free air and careful pressure control to avoid excessive fracture<\/td>\n        <\/tr>\n        <tr>\n          <td>Recirculating blast cabinet<\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-maybe\">\u25b3<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td>Garnet&#8217;s lower recycle life makes it less economical in cabinets; classifier must be tuned to media density<\/td>\n        <\/tr>\n        <tr>\n          <td>Centrifugal wheel blast room<\/td>\n          <td><span class=\"c2-cross\">\u2717<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-cross\">\u2717<\/span><\/td>\n          <td><span class=\"c2-cross\">\u2717<\/span><\/td>\n          <td><span class=\"c2-cross\">\u2717<\/span><\/td>\n          <td>Wheel blast equipment is designed exclusively for metallic abrasives; mineral media causes rapid wheel wear<\/td>\n        <\/tr>\n        <tr>\n          <td>Wet \/ dustless blasting system<\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-cross\">\u2717<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-maybe\">\u25b3<\/span><\/td>\n          <td>Steel abrasives rust rapidly in wet systems; plastic media may absorb water and lose cutting efficiency<\/td>\n        <\/tr>\n        <tr>\n          <td>Suction (siphon) blast gun<\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-maybe\">\u25b3<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td><span class=\"c2-tick\">\u2713<\/span><\/td>\n          <td>Heavy metallic abrasives have limited suction lift; use pressure pot for steel grit above G25<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p style=\"font-size:0.82rem;color:#7a8a9a;margin-top:-16px;\">\u2713 Fully compatible &nbsp;\u00b7&nbsp; \u25b3 Compatible with caveats &nbsp;\u00b7&nbsp; \u2717 Not compatible<\/p>\n\n  <!-- SECTION 8 -->\n  <h2 id=\"c2-checklist\">8. Pre-Order Decision Checklist<\/h2>\n\n  <p>Before finalizing any blasting media purchase order, work through the following checklist. Each item represents a common failure point that generates rework, compliance liability, or budget overrun when overlooked.<\/p>\n\n  <div class=\"c2-checklist\">\n    <h3>Blasting Media Selection Checklist<\/h3>\n    <ul class=\"c2-checklist-list\">\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Substrate identified<\/strong> \u2014 material, thickness, and any contamination sensitivity documented<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Surface profile requirement confirmed<\/strong> \u2014 minimum and maximum profile depth (\u00b5m) obtained from coating manufacturer&#8217;s PDS<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Cleanliness grade specified<\/strong> \u2014 ISO 8501 Sa grade or SSPC-SP grade defined for the application<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Silica-free confirmed<\/strong> \u2014 selected media verified as containing &lt;1% free crystalline silica by certified analysis<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Iron contamination risk assessed<\/strong> \u2014 stainless, titanium, or non-ferrous substrates require iron-free media certification<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Equipment compatibility verified<\/strong> \u2014 media type and density confirmed compatible with blast pot, cabinet, or wheel blast system<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Cost per m\u00b2 calculated<\/strong> \u2014 full lifecycle cost including recycle cycles and disposal compared across shortlisted media options<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Supplier quality documentation requested<\/strong> \u2014 material test report (MTR), SDS\/MSDS, and sieve analysis certificate on file for each shipment<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>Spent media disposal plan in place<\/strong> \u2014 waste classification and licensed disposal route confirmed before blasting commences<\/span>\n      <\/li>\n      <li>\n        <div class=\"c2-check-box\">\u25a1<\/div>\n        <span><strong>PPE and engineering controls confirmed<\/strong> \u2014 supplied-air respirator, blast suit, hearing protection, and ventilation in place per OSHA \/ EU requirements<\/span>\n      <\/li>\n    <\/ul>\n  <\/div>\n\n  <!-- SECTION 9 \u2014 FAQ -->\n  <h2 id=\"c2-faq\">9. Frequently Asked Questions<\/h2>\n\n  <div class=\"c2-faq\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n\n    <div class=\"c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c2-faq-q\" onclick=\"c2ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">How do I choose the right blasting media for my application?<\/span>\n        <i class=\"c2-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Work through four factors in sequence: (1) substrate material and hardness \u2014 never use media harder than the substrate when dimensional tolerance matters; (2) required surface cleanliness grade and anchor profile depth per your coating specification; (3) environmental and safety constraints \u2014 silica-free media is mandatory in most jurisdictions; (4) total cost per m\u00b2 including recyclability, not just unit purchase price. Use the substrate-to-media matrix in this guide to narrow the field, then verify against your coating manufacturer&#8217;s requirements before ordering.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c2-faq-q\" onclick=\"c2ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">What blasting media should I use for steel?<\/span>\n        <i class=\"c2-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">For carbon and structural steel requiring a heavy-duty coating system, aluminum oxide (36\u201380 grit), garnet (30\u201380 mesh), or steel grit (GL25\u2013GL40) are the standard choices. They reliably achieve Sa 2.5 \/ SSPC-SP10 cleanliness with 50\u2013100 \u00b5m anchor profiles suitable for epoxy, polyurethane, and zinc-rich primers. For stainless steel, switch to white aluminum oxide or glass bead \u2014 never use steel grit or iron-containing slag, as iron contamination will initiate corrosion. See our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/industrial-surface-prep-best-blasting-media-for-metal\/\" target=\"_blank\" rel=\"noopener\">industrial metal surface prep guide<\/a> for full detail.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c2-faq-q\" onclick=\"c2ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">What is the cheapest blasting media?<\/span>\n        <i class=\"c2-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Copper slag and coal slag have the lowest purchase price per tonne \u2014 typically $80\u2013$200\/MT as of March 2026 \u2014 but they are single-use and generate large waste volumes requiring disposal. When total cost per m\u00b2 is calculated over a production run in a recirculating system, aluminum oxide (100\u2013200 recycle cycles) or steel grit (500+ cycles) are often 10\u201350\u00d7 cheaper per m\u00b2 despite a higher unit price. Always compare cost per m\u00b2 treated, not price per kilogram. See the full analysis in our <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>.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c2-faq-q\" onclick=\"c2ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">How does grit size affect the surface profile?<\/span>\n        <i class=\"c2-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Grit size is the primary control on surface profile (anchor depth). Coarser grit (lower FEPA number, e.g. F24 or 30 mesh) produces deeper peaks and valleys \u2014 higher Ra and Rz values, typically 65\u2013110 \u00b5m for aluminum oxide. Finer grit (higher number, e.g. F120 or 80 mesh) produces a shallower, smoother profile in the 20\u201350 \u00b5m range. Always cross-reference your selected grit size against the minimum and maximum surface profile specified by your coating manufacturer before ordering. The grit size table in Section 6 of this guide provides indicative profile ranges for the most common aluminum oxide grades.<\/div>\n      <\/div>\n    <\/div>\n\n    <div class=\"c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n      <button class=\"c2-faq-q\" onclick=\"c2ToggleFaq(this)\" aria-expanded=\"false\">\n        <span itemprop=\"name\">Can I use the same blasting media for different materials?<\/span>\n        <i class=\"c2-faq-icon\">+<\/i>\n      <\/button>\n      <div class=\"c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\">\n        <div itemprop=\"text\">Rarely advisable in practice. Different substrates have very different hardness levels and sensitivity to abrasive damage. Media suitable for structural carbon steel (e.g. aluminum oxide 36 grit) will warp thin aluminum sheet and shatter composite panels at the same blast pressure. Even within the same metal family, stainless and carbon steel require different media to avoid contamination risks. Dedicate specific media specifications to each substrate type, document the specifications clearly, and enforce them with incoming inspection \u2014 the cost of one rework incident far exceeds the convenience of a universal media approach.<\/div>\n      <\/div>\n    <\/div>\n\n  <\/div>\n\n  <!-- RELATED LINKS -->\n  <h2 style=\"margin-top:44px;\">Further Reading<\/h2>\n  <p>This guide forms part of the complete blasting media resource library from Jiangsu Henglihong Technology. Explore these related articles to go deeper on specific areas:<\/p>\n  <ul>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a> \u2014 the pillar page covering all topics in one place<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/types-of-blasting-media-complete-guide\/\" target=\"_blank\" rel=\"noopener\">Types of Blasting Media: Complete Guide<\/a> \u2014 full technical data on every major media type<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-comparison-blasting-media-chart\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Comparison Chart<\/a> \u2014 side-by-side visual reference across all key parameters<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-cost-guide-price-per-pound-roi\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Cost Guide &amp; ROI Analysis<\/a> \u2014 price benchmarks and cost-per-m\u00b2 calculations<\/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\/EU compliance, silica risk management, PPE selection<\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/\" target=\"_blank\" rel=\"noopener\">Aluminum Oxide Blast Media: Uses &amp; Grit Guide<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-blasting-media-eco-friendly-high-performance\/\" target=\"_blank\" rel=\"noopener\">Garnet Blasting Media \u2014 Eco-Friendly &amp; High Performance<\/a><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">Glass Bead Blasting Media: Finish &amp; Applications<\/a><\/li>\n    <li><a 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: Which Should You Use?<\/a><\/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><\/li>\n    <li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-blast-media-hardest-abrasive-explained\/\" target=\"_blank\" rel=\"noopener\">Silicon Carbide Blast Media: Hardest Abrasive Explained<\/a><\/li>\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><\/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><\/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: Low-Dust &amp; Silica-Free Options<\/a><\/li>\n  <\/ul>\n\n  <!-- CTA -->\n  <div class=\"c2-cta\">\n    <h2>Ready to Specify the Right Abrasive?<\/h2>\n    <p>Our technical team at Jiangsu Henglihong Technology can recommend the correct grade, grit size, and packaging for your substrate and application \u2014 with competitive pricing, full MTR documentation, and reliable export logistics to North America, Europe, and beyond.<\/p>\n    <a class=\"c2-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Technical Consultation<\/a>\n  <\/div>\n\n<\/article>\n\n<!-- ===== FAQ ACCORDION SCRIPT ===== -->\n<script>\n(function() {\n  function c2ToggleFaq(btn) {\n    var item = btn.parentElement;\n    var isOpen = item.classList.contains('open');\n    document.querySelectorAll('.c2-faq-item').forEach(function(el) {\n      el.classList.remove('open');\n      var b = el.querySelector('.c2-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.c2ToggleFaq = c2ToggleFaq;\n})();\n<\/script>\n\n<!-- ===== ON-PAGE SEO NOTES (remove before publishing) =====\nMETA TITLE (\u226460 chars):\n  How to Choose Blasting Media: Selection Guide 2026 | HLH\n\nMETA DESCRIPTION (\u2264155 chars):\n  Step-by-step framework for choosing the right blasting media \u2014 substrate matching matrix, grit size table, cost-per-m\u00b2 formula, equipment compatibility & pre-order checklist.\n\nPRIMARY KEYWORD: how to choose blasting media\nSECONDARY: blasting media selection guide, blasting media selection, right blasting media, choose abrasive blasting media, blasting media for steel\n\nINTERNAL LINKS IN THIS PAGE:\n  \u2192 Pillar (blasting-media\/) \u00d72\n  \u2192 C1 types-of-blasting-media \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 \u00d71\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 \u00d72\n  \u2192 C12 cost-guide \u00d73\n  \u2192 C13 comparison-chart \u00d71\n  \u2192 C14 safety \u00d72\n\nFEATURED SNIPPET OPPORTUNITIES:\n  - \"How do I choose blasting media?\" \u2192 targets PAA with Step 1\u20134 numbered list\n  - \"What blasting media for steel?\" \u2192 FAQ item targets PAA\n  - Substrate matrix table \u2192 targets table featured snippet\n  - Grit size table \u2192 targets table snippet for \"blasting media grit size chart\"\n\nSCHEMA: Article + FAQPage (5 questions) in JSON-LD at top.\n\nNOTES:\n  - JS namespace: c2ToggleFaq (isolated from pillar bmToggleFaq and C1 c1ToggleFaq)\n  - All dates reference March 2026\n  - All 14 cluster links + 2\u00d7 pillar links included\n===== END SEO NOTES ===== -->","protected":false},"excerpt":{"rendered":"<p>Selection Framework \u00b7 March 2026 How to Choose the Right  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12834,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12793","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\/12793","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=12793"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts\/12793\/revisions"}],"predecessor-version":[{"id":12795,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/posts\/12793\/revisions\/12795"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/media\/12834"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/media?parent=12793"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/categories?post=12793"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/de\/wp-json\/wp\/v2\/tags?post=12793"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}