{"id":13053,"date":"2026-05-11T02:26:37","date_gmt":"2026-05-11T02:26:37","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13053"},"modified":"2026-05-11T02:26:37","modified_gmt":"2026-05-11T02:26:37","slug":"sandblasting-media-grit-size-chart-what-each-mesh-number-means","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/ru\/resource\/\u0431\u043b\u043e\u0433\/sandblasting-media-grit-size-chart-what-each-mesh-number-means\/","title":{"rendered":"Sandblasting Media Grit Size Chart: What Each Mesh Number Means"},"content":{"rendered":"<style>\n.hlh-c2*{box-sizing:border-box;margin:0;padding:0}\n.hlh-c2{font-family:'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.75;color:#2D2D2D;max-width:900px;margin:0 auto;padding:0 16px}\n.hlh-c2-hero{background:linear-gradient(135deg,#1B4F8A 0%,#0d3260 100%);color:#fff;border-radius:10px;padding:48px 40px 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h2{color:#fff;border:none;font-size:clamp(18px,2.8vw,25px);margin:0 0 12px}\n.hlh-c2-cta p{color:#c8dff5;font-size:14px;max-width:520px;margin:0 auto 24px}\n.hlh-c2-cta-btn{display:inline-block;background:#fff;color:#1B4F8A;font-size:15px;font-weight:700;padding:13px 32px;border-radius:6px;text-decoration:none}\n.hlh-c2-cta-btn:hover{background:#e8f0fa}\n.hlh-c2-breadcrumb{font-size:13px;color:#666;margin-bottom:20px}\n.hlh-c2-breadcrumb a{color:#1B4F8A;text-decoration:none}\n.hlh-c2-breadcrumb a:hover{text-decoration:underline}\n@media(max-width:600px){.hlh-c2-hero{padding:32px 20px 28px}.hlh-c2-cta{padding:32px 20px}}\n<\/style>\n\n<article class=\"hlh-c2\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n<div class=\"hlh-c2-breadcrumb\"><a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\/\" target=\"_blank\" rel=\"noopener\">\u2190 Back to: Sandblasting Media Suppliers Complete Guide<\/a><\/div>\n\n<header class=\"hlh-c2-hero\">\n  <span class=\"hlh-c2-hero-label\">Reference Chart \u00b7 May 2026<\/span>\n  <h1 itemprop=\"headline\">Sandblasting Media Grit Size Chart: What Each Mesh Number Means<\/h1>\n  <div class=\"hlh-c2-hero-meta\"><span>Updated: May 2026<\/span><span>~2,400 words \u00b7 9-min read<\/span><span>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Jiangsu Henglihong Technology Co., Ltd.<\/span><\/div>\n<\/header>\n\n<nav class=\"hlh-c2-toc\" aria-label=\"Table of Contents\">\n  <div class=\"hlh-c2-toc-title\">Table of Contents<\/div>\n  <ol>\n    <li><a href=\"#c2-intro\">Why Grit Size Is Critical<\/a><\/li>\n    <li><a href=\"#c2-systems\">Grit Size Numbering Systems Explained<\/a><\/li>\n    <li><a href=\"#c2-steel\">Steel Grit &amp; Shot: SAE Grade Chart<\/a><\/li>\n    <li><a href=\"#c2-mineral\">Mineral Abrasives: FEPA Mesh Chart<\/a><\/li>\n    <li><a href=\"#c2-glass\">Glass Beads: Grade Reference<\/a><\/li>\n    <li><a href=\"#c2-profile\">Grit Size vs. Surface Profile Depth<\/a><\/li>\n    <li><a href=\"#c2-convert\">Unit Conversion Reference<\/a><\/li>\n    <li><a href=\"#c2-faq\">\u0427\u0410\u0421\u0422\u041e \u0417\u0410\u0414\u0410\u0412\u0410\u0415\u041c\u042b\u0415 \u0412\u041e\u041f\u0420\u041e\u0421\u042b<\/a><\/li>\n  <\/ol>\n<\/nav>\n\n<section itemprop=\"articleBody\">\n\n<p>Grit size is one of the most frequently misunderstood parameters in abrasive blasting specification. Buyers accustomed to one abrasive type often encounter a completely different numbering system when evaluating a new product \u2014 SAE grades for steel, FEPA or ANSI mesh numbers for minerals, and proprietary grade codes for glass beads and plastic media. This guide explains every grit size system, provides complete cross-reference tables, and maps grit sizes to the surface profile depths they reliably produce.<\/p>\n\n<p>This reference page is part of the complete <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\/\" target=\"_blank\" rel=\"noopener\">Sandblasting Media Suppliers: Industrial Buyer&#8217;s Complete Guide<\/a> by Jiangsu Henglihong Technology Co., Ltd. For guidance on which grit size matches your coating specification, see also: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-sandblasting-media-a-step-by-step-selection-guide\/\" target=\"_blank\" rel=\"noopener\">How to Choose Sandblasting Media: Step-by-Step<\/a>.<\/p>\n\n<h2 id=\"c2-intro\">1. Why Grit Size Is Critical<\/h2>\n<p>Grit size controls two key outcomes of any blasting operation: <strong>surface profile depth<\/strong> (anchor depth, measured in \u00b5m or mils) and <strong>blast productivity rate<\/strong> (area cleaned per unit of media consumed). Larger grit creates deeper profiles and faster blast rates; smaller grit creates shallower, finer profiles. Specifying the wrong grit size is one of the most common causes of coating adhesion failures \u2014 the profile is either too shallow to provide mechanical grip, or too deep to be adequately filled by the applied coating film.<\/p>\n\n<h2 id=\"c2-systems\">2. Grit Size Numbering Systems Explained<\/h2>\n\n<h3>SAE System (Steel Grit &amp; Shot)<\/h3>\n<p>The Society of Automotive Engineers (SAE) standard J444 governs steel grit sizes and J827 governs steel shot sizes. SAE grades use a letter-number designation: <strong>G<\/strong> for grit, <strong>S<\/strong> for shot, followed by a number that represents the nominal particle size in thousandths of an inch multiplied by 100. Confusingly, a higher SAE number means a smaller particle: G10 (2.0 mm) is much coarser than G120 (0.18 mm). This inverted size-number relationship causes frequent specification errors.<\/p>\n\n<h3>FEPA \/ ANSI Mesh System (Mineral Abrasives)<\/h3>\n<p>The FEPA (Federation of European Producers of Abrasives) and ANSI (American National Standards Institute) systems use mesh numbers that reflect the number of screen openings per linear inch. A higher mesh number means a finer (smaller) particle: #16 mesh (1,180 \u00b5m) is coarser than #120 mesh (125 \u00b5m). This is intuitive: more openings per inch means smaller openings, therefore smaller particles pass through.<\/p>\n\n<h3>Custom and Proprietary Grades<\/h3>\n<p>Glass beads use MIL-G-9954A grade numbers. Garnet blast media often uses slash notation (30\/60, 20\/40) indicating the upper and lower screen mesh numbers that define the particle size range. Plastic media uses Type and coarseness descriptors (Type II, Coarse) per MIL-P-85891A. Always request a particle size distribution (PSD) certificate from your supplier regardless of the naming system used \u2014 actual sieve data beats any grade designation for confirming what you are receiving.<\/p>\n\n<h2 id=\"c2-steel\">3. Steel Grit &amp; Shot: Complete SAE Grade Chart<\/h2>\n\n<div class=\"hlh-c2-table-wrap\">\n<table class=\"hlh-c2-table\">\n  <thead><tr><th>SAE Grade<\/th><th>Nominal Size (mm)<\/th><th>Size Range (\u00b5m)<\/th><th>Typical Profile<\/th><th>Key Application<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>G10<\/td><td>2.00<\/td><td>2360\u20131680<\/td><td>100\u2013150 \u00b5m<\/td><td>Very heavy mill scale removal<\/td><\/tr>\n    <tr><td>G16<\/td><td>1.40<\/td><td>1680\u20131190<\/td><td>80\u2013120 \u00b5m<\/td><td>Heavy offshore steel prep<\/td><\/tr>\n    <tr><td>G18<\/td><td>1.18<\/td><td>1400\u20131000<\/td><td>70\u2013100 \u00b5m<\/td><td>Shipbuilding, heavy fabrication<\/td><\/tr>\n    <tr><td>G25<\/td><td>1.00<\/td><td>1190\u2013850<\/td><td>50\u201380 \u00b5m<\/td><td>Standard Sa 2.5 structural steel<\/td><\/tr>\n    <tr><td>G40<\/td><td>0.60<\/td><td>710\u2013425<\/td><td>35\u201360 \u00b5m<\/td><td>General industrial, wind towers<\/td><\/tr>\n    <tr><td>G50<\/td><td>0.50<\/td><td>600\u2013355<\/td><td>25\u201345 \u00b5m<\/td><td>Moderate profiling<\/td><\/tr>\n    <tr><td>G80<\/td><td>0.30<\/td><td>355\u2013212<\/td><td>15\u201330 \u00b5m<\/td><td>Thin plate, precision automotive<\/td><\/tr>\n    <tr><td>G120<\/td><td>0.18<\/td><td>212\u2013150<\/td><td>8\u201318 \u00b5m<\/td><td>Fine finishing<\/td><\/tr>\n    <tr><td>S110<\/td><td>0.28<\/td><td>355\u2013180<\/td><td>Peened (smooth)<\/td><td>Fine shot peening<\/td><\/tr>\n    <tr><td>S230<\/td><td>0.58<\/td><td>710\u2013355<\/td><td>Peened (smooth)<\/td><td>General descaling, peening<\/td><\/tr>\n    <tr><td>S330<\/td><td>0.84<\/td><td>1000\u2013500<\/td><td>Peened (smooth)<\/td><td>Heavy castings descaling<\/td><\/tr>\n    <tr><td>S550<\/td><td>1.40<\/td><td>1700\u20131000<\/td><td>Peened (smooth)<\/td><td>Large castings<\/td><\/tr>\n    <tr><td>S780<\/td><td>2.00<\/td><td>2360\u20131400<\/td><td>Peened (smooth)<\/td><td>Maximum-size castings<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<h2 id=\"c2-mineral\">4. Mineral Abrasives: FEPA Mesh Chart<\/h2>\n<p>The following chart covers aluminum oxide (BFA &amp; WFA), garnet, and silicon carbide, all of which use FEPA-compatible mesh sizing. For full aluminum oxide sourcing details, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blasting-media-suppliers-grit-sizes-hardness-sourcing\/\" target=\"_blank\" rel=\"noopener\">Aluminum Oxide Blasting Media Suppliers<\/a>. For garnet: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-abrasive-suppliers-gma-garnet-vs-almandine-mesh-sizes-bulk\/\" target=\"_blank\" rel=\"noopener\">Garnet Abrasive Suppliers<\/a>.<\/p>\n\n<div class=\"hlh-c2-table-wrap\">\n<table class=\"hlh-c2-table\">\n  <thead><tr><th>FEPA Grit<\/th><th>Particle Size Range (\u00b5m)<\/th><th>Profile Depth (Al\u2082O\u2083)<\/th><th>Profile Depth (Garnet)<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>#12<\/td><td>1700\u20132360<\/td><td>150\u2013250 \u00b5m<\/td><td>120\u2013180 \u00b5m<\/td><\/tr>\n    <tr><td>#16<\/td><td>1180-1700<\/td><td>120\u2013180 \u00b5m<\/td><td>90\u2013140 \u00b5m<\/td><\/tr>\n    <tr><td>#24<\/td><td>710\u20131180<\/td><td>80\u2013130 \u00b5m<\/td><td>70\u2013110 \u00b5m<\/td><\/tr>\n    <tr><td>#36<\/td><td>500-710<\/td><td>60\u201390 \u00b5m<\/td><td>50\u201380 \u00b5m<\/td><\/tr>\n    <tr><td>#46<\/td><td>425-600<\/td><td>50\u201375 \u00b5m<\/td><td>40\u201365 \u00b5m<\/td><\/tr>\n    <tr><td>#60<\/td><td>250\u2013425<\/td><td>35\u201355 \u00b5m<\/td><td>30\u201350 \u00b5m<\/td><\/tr>\n    <tr><td>#80<\/td><td>180-250<\/td><td>25\u201340 \u00b5m<\/td><td>20\u201335 \u00b5m<\/td><\/tr>\n    <tr><td>#120<\/td><td>106\u2013180<\/td><td>15\u201325 \u00b5m<\/td><td>12\u201320 \u00b5m<\/td><\/tr>\n    <tr><td>#150<\/td><td>90-125<\/td><td>10\u201318 \u00b5m<\/td><td>8\u201315 \u00b5m<\/td><\/tr>\n    <tr><td>#220<\/td><td>63-90<\/td><td>6\u201312 \u00b5m<\/td><td>\u2014<\/td><\/tr>\n    <tr><td>#280<\/td><td>45\u201375<\/td><td>4\u20138 \u00b5m<\/td><td>\u2014<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<h2 id=\"c2-glass\">5. Glass Beads: MIL-G-9954A Grade Reference<\/h2>\n<div class=\"hlh-c2-table-wrap\">\n<table class=\"hlh-c2-table\">\n  <thead><tr><th>Grade<\/th><th>Diameter Range (\u00b5m)<\/th><th>Mesh Equiv.<\/th><th>Finish Type<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>Grade 3<\/td><td>1180-1700<\/td><td>#12\u2013#16<\/td><td>Heavy satin \/ peened<\/td><\/tr>\n    <tr><td>Grade 5<\/td><td>600-850<\/td><td>#20\u2013#30<\/td><td>Standard satin<\/td><\/tr>\n    <tr><td>Grade 6<\/td><td>425-600<\/td><td>#30\u2013#40<\/td><td>Fine satin<\/td><\/tr>\n    <tr><td>Grade 7<\/td><td>300-425<\/td><td>#40\u2013#50<\/td><td>Decorative satin<\/td><\/tr>\n    <tr><td>Grade 8<\/td><td>212-300<\/td><td>#50\u2013#70<\/td><td>Ultra-fine satin<\/td><\/tr>\n    <tr><td>Grade 10<\/td><td>106-150<\/td><td>#100\u2013#140<\/td><td>Bright satin \/ matte<\/td><\/tr>\n    <tr><td>Grade 13<\/td><td>53\u2013106<\/td><td>#140\u2013#270<\/td><td>Micro-finishing<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<h2 id=\"c2-profile\">6. Grit Size vs. Surface Profile Depth: Visual Summary<\/h2>\n\n<div class=\"hlh-c2-table-wrap\">\n<table class=\"hlh-c2-table\">\n  <thead><tr><th>Profile Depth Required<\/th><th>Steel Grit Grade<\/th><th>Al\u2082O\u2083 FEPA<\/th><th>Garnet Mesh<\/th><th>Typical Coating Requirement<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>8\u201320 \u00b5m<\/td><td>G120<\/td><td>#150\u2013#220<\/td><td>\u2014<\/td><td>Thin-film, anodize pre-treatment<\/td><\/tr>\n    <tr><td>20\u201340 \u00b5m<\/td><td>G80<\/td><td>#80\u2013#120<\/td><td>80 mesh<\/td><td>Automotive primers, thin epoxy<\/td><\/tr>\n    <tr><td>40\u201365 \u00b5m<\/td><td>G40\u2013G50<\/td><td>#46\u2013#60<\/td><td>30\/60<\/td><td>Standard industrial epoxy (most common)<\/td><\/tr>\n    <tr><td>65\u2013100 \u00b5m<\/td><td>G25<\/td><td>#36\u2013#46<\/td><td>20\/40<\/td><td>High-build epoxy, zinc-rich primers<\/td><\/tr>\n    <tr><td>100\u2013150 \u00b5m<\/td><td>G16\u2013G18<\/td><td>#24<\/td><td>12\/20<\/td><td>Very heavy-duty offshore coatings<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<p>For coating specification matching, see the detailed guide: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/surface-profile-sa-rating-guide-matching-blast-media-to-coating-specs\/\" target=\"_blank\" rel=\"noopener\">Surface Profile &amp; Sa Rating Guide: Matching Blast Media to Coating Specs<\/a>.<\/p>\n\n<h2 id=\"c2-convert\">7. Unit Conversion Reference<\/h2>\n<div class=\"hlh-c2-table-wrap\">\n<table class=\"hlh-c2-table\">\n  <thead><tr><th>\u00b5m (microns)<\/th><th>Mils (thou)<\/th><th>\u043c\u043c<\/th><th>Inch<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>25 \u00b5m<\/td><td>1 mil<\/td><td>0.025 mm<\/td><td>0.001&#8243;<\/td><\/tr>\n    <tr><td>50 \u00b5m<\/td><td>2 mils<\/td><td>0.050 mm<\/td><td>0.002&#8243;<\/td><\/tr>\n    <tr><td>75 \u00b5m<\/td><td>3 mils<\/td><td>0.075 mm<\/td><td>0.003&#8243;<\/td><\/tr>\n    <tr><td>100 \u00b5m<\/td><td>4 mils<\/td><td>0.100 mm<\/td><td>0.004&#8243;<\/td><\/tr>\n    <tr><td>125 \u00b5m<\/td><td>5 mils<\/td><td>0.125 mm<\/td><td>0.005&#8243;<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<h2 id=\"c2-faq\">8. Frequently Asked Questions<\/h2>\n\n<div class=\"hlh-c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n  <div class=\"hlh-c2-faq-q\" itemprop=\"name\">Does a higher grit number always mean a finer particle?<\/div>\n  <div class=\"hlh-c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\">For FEPA and ANSI mineral abrasives, yes \u2014 higher grit number = finer particle (#36 is coarser than #120). For SAE steel abrasive grades, the opposite is true \u2014 higher SAE number = smaller particle (G10 is much coarser than G120). This counterintuitive difference between the two systems is a common source of specification errors. Always verify by checking the actual particle size range in microns (\u00b5m) on the product data sheet, regardless of which grading system is used.<\/div><\/div>\n<\/div>\n\n<div class=\"hlh-c2-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n  <div class=\"hlh-c2-faq-q\" itemprop=\"name\">How do I measure the surface profile after blasting?<\/div>\n  <div class=\"hlh-c2-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\">Surface profile depth is measured using Testex Press-O-Film tape (replica tape) per ASTM D4417 Method C, or with a digital surface profilometer (BMG or RT-Grip type) per ISO 8503-4. Testex tape is the most widely used field method: the tape is pressed against the blasted surface, the raised impression is measured with a dial gauge or micrometer, and 127 \u00b5m (5 mils) is subtracted for the tape base thickness. Results are reported as Rz (average maximum profile height) in \u00b5m or mils.<\/div><\/div>\n<\/div>\n\n<\/section>\n\n<div class=\"hlh-c2-cta\">\n  <h2>Need Help Specifying Grit Size for Your Project?<\/h2>\n  <p>Our technical team at Jiangsu Henglihong Technology Co., Ltd. can review your coating specification and recommend the correct grade and size of abrasive. Contact us for a fast response.<\/p>\n  <a class=\"hlh-c2-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Get Technical Support \u2192<\/a>\n<\/div>\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Sandblasting Media Grit Size Chart: What Each Mesh Number Means\",\n    \"datePublished\": \"2026-05-01\",\n    \"dateModified\": \"2026-05-01\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/sandblasting-media-grit-size-chart-what-each-mesh-number-means\\\/\"\n    }\n}<\/script>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>\u2190 Back to: Sandblasting Media Suppliers Complete Guide Reference Chart  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13055,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13053","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13053","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/comments?post=13053"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13053\/revisions"}],"predecessor-version":[{"id":13056,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13053\/revisions\/13056"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/media\/13055"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/media?parent=13053"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/categories?post=13053"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/tags?post=13053"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}