{"id":12921,"date":"2026-04-28T01:54:14","date_gmt":"2026-04-28T01:54:14","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12921"},"modified":"2026-04-28T05:05:35","modified_gmt":"2026-04-28T05:05:35","slug":"glass-bead-sandblasting-abrasive","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/ja\/resource\/blog\/glass-bead-sandblasting-abrasive\/","title":{"rendered":"Glass Bead\u00a0Sandblasting Abrasive"},"content":{"rendered":"<style>\n\/* ============================================================\n   SHARED CLUSTER STYLE \u2014 Sandblasting Abrasives Series\n   Jiangsu Henglihong Technology Co., Ltd.\n   CSS prefix: hlh-cl-\n   ============================================================ *\/\n.hlh-cl-wrap*{box-sizing:border-box;margin:0;padding:0}\n.hlh-cl-wrap{font-family:'Georgia','Times New Roman',serif;color:#1a1a2e;line-height:1.75;font-size:16px;max-width:900px;margin:0 auto}\n.hlh-cl-wrap p{margin-bottom:1.2em;color:#2c2c3e}\n.hlh-cl-wrap h2,.hlh-cl-wrap 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#b8d0eb;border-radius:7px;padding:16px 20px;margin-bottom:36px;text-decoration:none!important;border-bottom:none!important;transition:background .2s}\n.hlh-cl-pillar-back:hover{background:#ddeaf8}\n.hlh-cl-pillar-back-icon{font-size:20px;line-height:1}\n.hlh-cl-pillar-back strong{display:block;font-family:'Trebuchet MS',sans-serif;font-size:13px;font-weight:700;color:#1a4f8a}\n.hlh-cl-pillar-back span{font-size:12px;color:#4a6fa5}\n\/* Responsive *\/\n@media(max-width:680px){\n  .hlh-cl-hero{padding:32px 22px}\n  .hlh-cl-toc ol{columns:1}\n  .hlh-cl-spec-grid{grid-template-columns:1fr 1fr}\n  .hlh-cl-proscons{grid-template-columns:1fr}\n  .hlh-cl-app-grid{grid-template-columns:1fr}\n  .hlh-cl-related-grid{grid-template-columns:1fr}\n  .hlh-cl-stats{grid-template-columns:1fr 1fr}\n  .hlh-cl-final-cta{padding:32px 22px}\n}\n\n<\/style>\n<div class=\"hlh-cl-wrap\">\n<a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-types-grit-sizes-selection-guide\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-pillar-back\"><span class=\"hlh-cl-pillar-back-icon\">\u2190<\/span><div><strong>Sandblasting Abrasives: Complete Buyer&#8217;s Guide<\/strong><span>Back to Pillar Page<\/span><\/div><\/a>\n<div class=\"hlh-cl-hero\">\n  <div class=\"hlh-cl-eyebrow\">Series A \u2014 Abrasive Type Guide<\/div>\n  <h1>Glass Bead <span>Sandblasting Abrasive<\/span><\/h1>\n  <p class=\"hlh-cl-hero-sub\">Spherical borosilicate glass beads for bright satin finishing, peening, and gentle surface cleaning without aggressive profiling. The preferred media for stainless steel, aluminium, and precision components where appearance and dimensional integrity are paramount.<\/p>\n  <div class=\"hlh-cl-hero-meta\"><span>Mohs Hardness: 5.5\u20136<\/span><span>20\u201330 Recycle Cycles<\/span><span>Grit Range: 40\u2013400<\/span><span>Round Particle Shape<\/span><\/div>\n  <div class=\"hlh-cl-cta-group\"><a href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-btn-primary\">Request a Quote<\/a><a href=\"#hlh-cl-specs\" class=\"hlh-cl-btn-outline\">View Specs \u2193<\/a><\/div>\n<\/div>\n<nav class=\"hlh-cl-toc\"><div class=\"hlh-cl-toc-title\">Table of Contents<\/div>\n<ol>\n  <li><a href=\"#hlh-cl-what\">What Are Glass Beads?<\/a><\/li>\n  <li><a href=\"#hlh-cl-specs\">Technical Specifications<\/a><\/li>\n  <li><a href=\"#hlh-cl-finish\">Finish &amp; Surface Profile<\/a><\/li>\n  <li><a href=\"#hlh-cl-grit\">Size Selection Guide<\/a><\/li>\n  <li><a href=\"#hlh-cl-apps\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3<\/a><\/li>\n  <li><a href=\"#hlh-cl-proscons\">Pros &amp; Cons<\/a><\/li>\n  <li><a href=\"#hlh-cl-peening\">Peening with Glass Beads<\/a><\/li>\n  <li><a href=\"#hlh-cl-related\">Related Resources<\/a><\/li>\n  <li><a href=\"#hlh-cl-faq\">\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/a><\/li>\n<\/ol><\/nav>\n\n<section id=\"hlh-cl-what\">\n<h2 class=\"hlh-cl-h2\">What Are Glass Bead Blasting Abrasives?<\/h2>\n<p class=\"hlh-cl-lead\">Glass beads for sandblasting are precision-manufactured spherical particles of soda-lime or borosilicate glass, sized by screening to tight grit ranges and tested to meet MIL-PRF-9954 and AMS 2431\/6 standards where required. Their defining characteristic is their perfectly round shape \u2014 the opposite of the angular, cutting particles found in aluminum oxide or steel grit.<\/p>\n<p>Because round particles cannot cut into a surface the way angular particles do, glass beads produce a fundamentally different surface outcome. Instead of carving an anchor profile into the substrate, each glass bead impact peens (compresses) the surface and creates a small, uniform dimple. The aggregate effect is a bright, smooth, satin or matte surface finish without significant material removal or profile depth \u2014 ideal when the goal is appearance, cleanliness, or compressive stress rather than coating adhesion profiling.<\/p>\n<p>Glass beads are among the most widely used abrasives in precision manufacturing, automotive finishing, aerospace maintenance, and medical equipment cleaning. When used correctly, they deliver a controlled, repeatable surface finish that angular abrasives cannot produce.<\/p>\n<div class=\"hlh-cl-highlight\"><p><strong>Glass beads vs crushed glass:<\/strong> Glass beads (spherical) and crushed glass grit (angular) are completely different products that produce opposite surface outcomes. Crushed glass is an angular media used to create surface profiles for coating adhesion. Glass beads are spherical, used for peening and satin finishing. Confirm which product you need before ordering \u2014 the applications are not interchangeable.<\/p><\/div>\n<\/section>\n\n<section id=\"hlh-cl-specs\">\n<h2 class=\"hlh-cl-h2\">Technical Specifications<\/h2>\n<div class=\"hlh-cl-stats\">\n  <div class=\"hlh-cl-stat\"><div class=\"hlh-cl-stat-val\">5.5<\/div><div class=\"hlh-cl-stat-label\">\u30e2\u30fc\u30b9\u786c\u5ea6<\/div><\/div>\n  <div class=\"hlh-cl-stat\"><div class=\"hlh-cl-stat-val\">2.5<\/div><div class=\"hlh-cl-stat-label\">Specific Gravity (g\/cm\u00b3)<\/div><\/div>\n  <div class=\"hlh-cl-stat\"><div class=\"hlh-cl-stat-val\">30\u00d7<\/div><div class=\"hlh-cl-stat-label\">Recycle Cycles<\/div><\/div>\n  <div class=\"hlh-cl-stat\"><div class=\"hlh-cl-stat-val\">&lt;1 mil<\/div><div class=\"hlh-cl-stat-label\">Max Profile Depth<\/div><\/div>\n<\/div>\n<div class=\"hlh-cl-table-wrap\"><table class=\"hlh-cl-table\">\n<thead><tr><th>Property<\/th><th>Value<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>Composition<\/td><td>Soda-lime or borosilicate glass<\/td><\/tr>\n<tr><td>\u30e2\u30fc\u30b9\u786c\u5ea6<\/td><td>5.5\u20136.0<\/td><\/tr>\n<tr><td>\u6bd4\u91cd<\/td><td>2.45\u20132.55 g\/cm\u00b3<\/td><\/tr>\n<tr><td>Shape<\/td><td>Spherical (&gt;80% true spheres)<\/td><\/tr>\n<tr><td>Surface Profile<\/td><td>0.2\u20131.0 mil (size dependent)<\/td><\/tr>\n<tr><td>Free Silica<\/td><td>&lt;1% (soda-lime); &lt;0.1% (borosilicate)<\/td><\/tr>\n<tr><td>\u30ea\u30b5\u30a4\u30af\u30eb\u6027<\/td><td>20\u201330 cycles in cabinet systems<\/td><\/tr>\n<tr><td>Standards<\/td><td>MIL-PRF-9954, AMS 2431\/6<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/section>\n\n<section id=\"hlh-cl-finish\">\n<h2 class=\"hlh-cl-h2\">Surface Finish &amp; Profile Characteristics<\/h2>\n<p>Glass bead blasting produces one of the most valued finishes in precision manufacturing: a uniform, bright satin appearance with low surface roughness (Ra typically 0.4\u20131.6 \u00b5m depending on bead size and pressure). The finish is visually clean, non-directional (no polishing lines), and aesthetically pleasing \u2014 characteristics that have made glass bead blasting the standard finishing step for stainless steel medical instruments, food processing equipment, automotive trim, and architectural hardware.<\/p>\n<p>The profile depth produced by glass beads \u2014 0.2\u20131.0 mil \u2014 is significantly shallower than the 1.5\u20134.0 mil required for most heavy protective coatings. This makes glass beads unsuitable as a pre-coating media for structural steel or marine applications, but ideal for applications where coating adhesion is achieved through light surface activation rather than deep mechanical interlocking.<\/p>\n<\/section>\n\n<section id=\"hlh-cl-grit\">\n<h2 class=\"hlh-cl-h2\">Glass Bead Size Selection Guide<\/h2>\n<div class=\"hlh-cl-table-wrap\"><table class=\"hlh-cl-table\">\n<thead><tr><th>Bead Size<\/th><th>Diameter (\u00b5m)<\/th><th>Finish<\/th><th>Best For<\/th><\/tr><\/thead>\n<tbody>\n<tr><td>#40\u2013#60<\/td><td>400\u2013250<\/td><td>Matte, textured<\/td><td>Heavy deburring, aggressive cleaning, mould texturing<\/td><\/tr>\n<tr><td>#80\u2013#100<\/td><td>180\u2013150<\/td><td>Satin<\/td><td>Automotive panels, general metal finishing, rust removal<\/td><\/tr>\n<tr><td>#120\u2013#150<\/td><td>125\u2013106<\/td><td>Bright satin<\/td><td>Stainless steel equipment, food industry components<\/td><\/tr>\n<tr><td>#170\u2013#200<\/td><td>90\u201375<\/td><td>Smooth satin<\/td><td>Medical instruments, architectural hardware, jewellery<\/td><\/tr>\n<tr><td>#230\u2013#325<\/td><td>63\u201345<\/td><td>Near-polish<\/td><td>Optical components, precision electronics, fine decorative<\/td><\/tr>\n<\/tbody>\n<\/table><\/div>\n<p>For a full cross-media size comparison, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-grit-size-chart\/\" target=\"_blank\" rel=\"noopener\">Sandblasting Abrasives Grit Size Chart<\/a>.<\/p>\n<\/section>\n\n<section id=\"hlh-cl-apps\">\n<h2 class=\"hlh-cl-h2\">Key Applications<\/h2>\n<div class=\"hlh-cl-app-grid\">\n  <div class=\"hlh-cl-app-card\"><h4>Stainless Steel Finishing<\/h4><p>Glass beads create the uniform satin finish specified for stainless steel in food processing, pharmaceutical, and medical applications. The non-directional finish meets hygiene surface roughness requirements and resists bacterial adhesion in accordance with 3-A Sanitary Standards.<\/p><\/div>\n  <div class=\"hlh-cl-app-card\"><h4>Aluminium Component Cleaning<\/h4><p>Glass beads remove oxidation, light corrosion, and surface contamination from aluminium without the iron contamination risk of steel media and without the aggressive profiling of mineral abrasives \u2014 essential before anodising, alodine treatment, or bonding operations.<\/p><\/div>\n  <div class=\"hlh-cl-app-card\"><h4>Automotive Restoration<\/h4><p>Carburettors, valve bodies, alloy wheels, and engine castings are routinely glass-bead blasted to restore a clean, bright appearance without dimensional change. Glass beads are safe on soft alloys where steel shot or grit would cause surface damage. See the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-for-automotive-restoration\/\" target=\"_blank\" rel=\"noopener\">automotive restoration guide<\/a>.<\/p><\/div>\n  <div class=\"hlh-cl-app-card\"><h4>\u30b7\u30e7\u30c3\u30c8\u30d4\u30fc\u30cb\u30f3\u30b0<\/h4><p>Glass beads are the standard media for peening applications where steel contamination is unacceptable \u2014 aluminium aircraft structures, magnesium components, and titanium fasteners. Glass bead peening induces compressive residual stress to improve fatigue life without the iron embedding risk of steel shot.<\/p><\/div>\n<\/div>\n<\/section>\n\n<section id=\"hlh-cl-proscons\">\n<h2 class=\"hlh-cl-h2\">Pros &amp; Cons<\/h2>\n<div class=\"hlh-cl-proscons\">\n  <div class=\"hlh-cl-pros\"><h4>\u30e1\u30ea\u30c3\u30c8<\/h4><ul>\n    <li>Produces bright, uniform satin finish unobtainable with angular media<\/li>\n    <li>No iron contamination \u2014 safe on stainless, aluminium, titanium<\/li>\n    <li>Low surface roughness \u2014 meets medical and food industry finish requirements<\/li>\n    <li>Recyclable 20\u201330 cycles in blast cabinets<\/li>\n    <li>Available in wide size range (40\u2013400 grit) for fine finish control<\/li>\n    <li>Compatible with wet blasting systems<\/li>\n  <\/ul><\/div>\n  <div class=\"hlh-cl-cons\"><h4>\u5236\u9650\u4e8b\u9805<\/h4><ul>\n    <li>Not suitable for heavy rust removal or mill scale preparation<\/li>\n    <li>Insufficient profile depth for most protective coating systems<\/li>\n    <li>Softer than mineral abrasives \u2014 slower cutting on hard substrates<\/li>\n    <li>Can embed in soft metals (aluminium) at high pressures \u2014 use with care<\/li>\n  <\/ul><\/div>\n<\/div>\n<\/section>\n\n<section id=\"hlh-cl-peening\">\n<h2 class=\"hlh-cl-h2\">Glass Bead Peening: Improving Fatigue Life<\/h2>\n<p>Shot peening with glass beads is a controlled manufacturing process used to extend the fatigue life of metal components by inducing compressive residual stress in the surface layer. Unlike steel shot peening (which uses much harder, denser particles), glass bead peening is performed on components where steel contamination must be avoided \u2014 primarily aluminium alloy airframe structures, magnesium housings, and titanium fasteners in aerospace applications.<\/p>\n<p>Peening intensity is measured using Almen strips and expressed in terms of arc height (in thousandths of an inch). Glass bead peening coverage and intensity must be precisely controlled by regulating blast pressure, nozzle distance, and dwell time. For aerospace applications, peening is typically performed to AMS 2431 specifications with certified media and process controls.<\/p>\n<p>For applications where steel media is acceptable and maximum peening intensity is required, steel shot is the preferred media. See the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/steel-grit-abrasives-for-sandblasting\/\" target=\"_blank\" rel=\"noopener\">Steel Grit guide<\/a> for full steel media specifications.<\/p>\n<\/section>\n\n<div class=\"hlh-cl-related\"><h3>Related Resources<\/h3>\n<div class=\"hlh-cl-related-grid\">\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-types-grit-sizes-selection-guide\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\ud83d\udcd6<\/span><div><strong>Complete Buyer&#8217;s Guide<\/strong><em>All abrasive types &amp; selection<\/em><\/div><\/a>\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-for-automotive-restoration\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\ud83d\ude97<\/span><div><strong>Automotive Restoration<\/strong><em>Panel work, alloy wheels, trim<\/em><\/div><\/a>\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/abrasives-for-aerospace-component-blasting\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\u2708\ufe0f<\/span><div><strong>Aerospace Blasting<\/strong><em>Aircraft MRO, peening protocols<\/em><\/div><\/a>\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-abrasive-for-sandblasting\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\u2b21<\/span><div><strong>Aluminum Oxide Guide<\/strong><em>For aggressive profiling applications<\/em><\/div><\/a>\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-grit-size-chart\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\ud83d\udcca<\/span><div><strong>Grit Size Chart<\/strong><em>Full size reference table<\/em><\/div><\/a>\n  <a href=\"https:\/\/hlh-js.com\/resource\/blog\/wet-blasting-vs-dry-blasting-abrasives\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-related-link\"><span>\u21c4<\/span><div><strong>Wet vs Dry Blasting<\/strong><em>Glass bead performance in both modes<\/em><\/div><\/a>\n<\/div><\/div>\n\n<section id=\"hlh-cl-faq\">\n<h2 class=\"hlh-cl-h2\">\u3088\u304f\u3042\u308b\u3054\u8cea\u554f<\/h2>\n<div class=\"hlh-cl-faq\">\n  <div class=\"hlh-cl-faq-item\"><button class=\"hlh-cl-faq-q\" onclick=\"hlhClFaq(this)\">Will glass bead blasting damage aluminium?<span class=\"hlh-cl-faq-icon\">+<\/span><\/button><div class=\"hlh-cl-faq-a\"><p>At appropriate pressure settings (typically 40\u201360 psi for aluminium), glass beads clean and finish aluminium without dimensional damage. At excessively high pressures or with very coarse beads, embedding and surface distortion can occur. Always test on a representative sample before production blasting, and reduce pressure incrementally if embedding or warping is observed.<\/p><\/div><\/div>\n  <div class=\"hlh-cl-faq-item\"><button class=\"hlh-cl-faq-q\" onclick=\"hlhClFaq(this)\">Can glass beads be used in a wet blast system?<span class=\"hlh-cl-faq-icon\">+<\/span><\/button><div class=\"hlh-cl-faq-a\"><p>Yes \u2014 glass beads are well-suited for wet blasting (vapour blasting) systems. The addition of water reduces dust to near-zero, prevents bead fracture on impact (improving recyclability), and produces an exceptionally clean, bright finish that many customers prefer over dry-blast results. Wet blasting with glass beads is commonly used for motorcycle engine restoration and precision component finishing.<\/p><\/div><\/div>\n<\/div>\n<\/section>\n\n<div class=\"hlh-cl-final-cta\">\n  <h2>Source Glass Bead Blasting Media from Jiangsu Henglihong Technology<\/h2>\n  <p>MIL-PRF-9954 compliant glass beads in sizes #40 to #325, available in 25 kg bags and 1,000 kg jumbo bags for global B2B export.<\/p>\n  <div class=\"hlh-cl-cta-group\"><a href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-btn-primary\">Request a Quote<\/a><a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-abrasives-bulk-supplier-wholesale\/\" target=\"_blank\" rel=\"noopener\" class=\"hlh-cl-btn-outline\">Wholesale Info \u2192<\/a><\/div>\n<\/div>\n<\/div>\n<script>function hlhClFaq(btn){var a=btn.nextElementSibling,open=btn.classList.contains('open');document.querySelectorAll('.hlh-cl-faq-q').forEach(function(b){b.classList.remove('open');if(b.nextElementSibling)b.nextElementSibling.style.display='none';});if(!open){btn.classList.add('open');a.style.display='block';}}<\/script>","protected":false},"excerpt":{"rendered":"<p>\u2190 Sandblasting Abrasives: Complete Buyer&#8217;s GuideBack to Pillar Page Series  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12993,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12921","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12921","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/comments?post=12921"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12921\/revisions"}],"predecessor-version":[{"id":12923,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/posts\/12921\/revisions\/12923"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media\/12993"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/media?parent=12921"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/categories?post=12921"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/ja\/wp-json\/wp\/v2\/tags?post=12921"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}