{"id":13419,"date":"2026-06-15T05:04:43","date_gmt":"2026-06-15T05:04:43","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13419"},"modified":"2026-06-15T05:04:43","modified_gmt":"2026-06-15T05:04:43","slug":"using-silicon-carbide-blasting-media-for-ceramic-composite-surfaces","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/es\/resource\/blog\/using-silicon-carbide-blasting-media-for-ceramic-composite-surfaces\/","title":{"rendered":"Using Silicon Carbide Blasting Media for\u00a0Ceramic &amp; Composite Surfaces"},"content":{"rendered":"<style>\/* \u2500\u2500 HLH Cluster Shared CSS \u2500\u2500 *\/\n.hlh-cluster *,.hlh-cluster *::before,.hlh-cluster *::after{box-sizing:border-box;margin:0;padding:0}\n.hlh-cluster{\n  --c-bg:#0d1117;--c-surface:#161b22;--c-panel:#1c2330;--c-border:#2a3444;\n  --c-accent:#e8700a;--c-accent2:#f0920d;--c-steel:#8fa3bc;--c-text:#d4dbe5;\n  --c-heading:#eef2f7;--c-muted:#5a6a7e;--c-tag-bg:#1f2d3d;--c-tag-text:#7eb8e8;\n  --c-toc-bg:#12171e;\n  --f-display:'Georgia','Times New Roman',serif;\n  --f-body:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;\n  --f-mono:'Courier New',monospace;\n  --r-sm:4px;--r-md:8px;--r-lg:12px;\n  font-family:var(--f-body);font-size:16px;line-height:1.75;\n  color:var(--c-text);background:var(--c-bg);padding:0 0 80px;max-width:100%;overflow-x:hidden;\n}\n\/* Hero *\/\n.hlh-hero{background:linear-gradient(135deg,#0d1117 0%,#12202e 55%,#1a2e1a 100%);border-bottom:3px solid var(--c-accent);padding:64px 5% 56px;position:relative;overflow:hidden}\n.hlh-hero::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(45deg,transparent,transparent 40px,rgba(232,112,10,.03) 40px,rgba(232,112,10,.03) 41px)}\n.hlh-hero-eyebrow{display:inline-block;font-family:var(--f-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-accent);border:1px solid var(--c-accent);padding:4px 12px;border-radius:var(--r-sm);margin-bottom:20px;position:relative}\n.hlh-hero h1{font-family:var(--f-display);font-size:clamp(24px,4vw,46px);font-weight:700;color:var(--c-heading);line-height:1.2;max-width:800px;position:relative;margin-bottom:18px}\n.hlh-hero h1 em{font-style:normal;color:var(--c-accent)}\n.hlh-hero-sub{font-size:16px;color:var(--c-steel);max-width:660px;line-height:1.7;position:relative;margin-bottom:28px}\n.hlh-hero-meta{display:flex;flex-wrap:wrap;gap:18px;align-items:center;position:relative}\n.hlh-meta-item{font-size:12px;color:var(--c-muted);display:flex;align-items:center;gap:6px}\n.hlh-meta-item span{color:var(--c-steel)}\n.hlh-meta-dot{width:3px;height:3px;border-radius:50%;background:var(--c-border)}\n\/* Layout *\/\n.hlh-layout{display:grid;grid-template-columns:240px 1fr;gap:0;max-width:1200px;margin:0 auto;padding:0 5%;align-items:start}\n\/* TOC *\/\n.hlh-toc-wrap{position:sticky;top:24px;padding:32px 0}\n.hlh-toc{background:var(--c-toc-bg);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:22px 20px;overflow:hidden}\n.hlh-toc-title{font-family:var(--f-mono);font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--c-accent);margin-bottom:14px;display:flex;align-items:center;gap:8px}\n.hlh-toc-title::after{content:'';flex:1;height:1px;background:var(--c-border)}\n.hlh-toc ol{list-style:none;counter-reset:toc-cnt}\n.hlh-toc ol li{counter-increment:toc-cnt;margin-bottom:3px}\n.hlh-toc ol li a{display:flex;gap:9px;align-items:baseline;font-size:12.5px;color:var(--c-steel);text-decoration:none;padding:5px 7px;border-radius:var(--r-sm);transition:background .15s,color .15s;line-height:1.4}\n.hlh-toc ol li a::before{content:counter(toc-cnt,decimal-leading-zero);font-family:var(--f-mono);font-size:10px;color:var(--c-accent);flex-shrink:0;margin-top:1px}\n.hlh-toc ol li a:hover{background:var(--c-panel);color:var(--c-heading)}\n.hlh-toc-cta{margin-top:18px;background:var(--c-accent);border-radius:var(--r-md);padding:12px 14px;text-align:center;font-size:13px;font-weight:600;color:#fff;text-decoration:none;display:block;transition:background .15s}\n.hlh-toc-cta:hover{background:var(--c-accent2)}\n\/* Article *\/\n.hlh-article{padding:36px 0 36px 44px;min-width:0}\n.hlh-section{margin-bottom:60px}\n.hlh-section-anchor{display:block;height:0;visibility:hidden;margin-top:-80px;padding-top:80px}\n\/* Headings *\/\n.hlh-article h2{font-family:var(--f-display);font-size:clamp(19px,2.4vw,26px);color:var(--c-heading);font-weight:700;margin-bottom:16px;padding-bottom:11px;border-bottom:2px solid var(--c-border);line-height:1.3}\n.hlh-article h2 .hlh-h2-num{font-family:var(--f-mono);font-size:12px;color:var(--c-accent);display:block;margin-bottom:3px;letter-spacing:.12em}\n.hlh-article h3{font-size:18px;color:var(--c-heading);font-weight:600;margin:28px 0 11px;padding-left:13px;border-left:3px solid var(--c-accent);line-height:1.35}\n.hlh-article h4{font-size:14px;color:var(--c-accent2);font-weight:600;margin:20px 0 7px;text-transform:uppercase;letter-spacing:.07em;font-family:var(--f-mono)}\n\/* Text *\/\n.hlh-article p{color:var(--c-text);font-size:16px;line-height:1.8;margin-bottom:15px}\n.hlh-article a{color:var(--c-accent2);text-decoration:underline;text-decoration-color:rgba(240,146,13,.35);text-underline-offset:3px;transition:color .15s,text-decoration-color .15s}\n.hlh-article a:hover{color:var(--c-heading);text-decoration-color:var(--c-accent)}\n.hlh-article strong{color:var(--c-heading);font-weight:600}\n.hlh-article ul,.hlh-article ol{margin:14px 0 14px 20px;color:var(--c-steel);font-size:15px;line-height:1.9}\n.hlh-article li{margin-bottom:4px}\n\/* Components *\/\n.hlh-highlight{background:var(--c-panel);border:1px solid var(--c-border);border-left:4px solid var(--c-accent);border-radius:var(--r-md);padding:18px 22px;margin:22px 0}\n.hlh-highlight p{margin-bottom:0;color:var(--c-steel);font-size:15px}\n.hlh-highlight p strong{color:var(--c-accent2)}\n.hlh-note{background:rgba(232,112,10,.06);border:1px solid rgba(232,112,10,.25);border-radius:var(--r-md);padding:14px 18px;margin:18px 0;font-size:14px;color:var(--c-steel);display:flex;gap:11px;align-items:flex-start}\n.hlh-note-icon{font-size:16px;flex-shrink:0;margin-top:1px}\n.hlh-note p{margin:0;font-size:14px}\n.hlh-table-wrap{overflow-x:auto;margin:22px 0;border-radius:var(--r-lg);border:1px solid var(--c-border)}\n.hlh-table{width:100%;border-collapse:collapse;font-size:14px}\n.hlh-table thead tr{background:var(--c-panel)}\n.hlh-table thead th{padding:12px 15px;text-align:left;color:var(--c-accent);font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;white-space:nowrap;border-bottom:1px solid var(--c-border)}\n.hlh-table tbody tr{border-bottom:1px solid var(--c-border);transition:background .1s}\n.hlh-table tbody tr:last-child{border-bottom:none}\n.hlh-table tbody tr:hover{background:var(--c-panel)}\n.hlh-table tbody td{padding:11px 15px;color:var(--c-text);vertical-align:middle}\n.hlh-table tbody td strong{color:var(--c-heading)}\n.hlh-badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.04em}\n.hlh-badge-green{background:rgba(40,167,69,.15);color:#4caf74}\n.hlh-badge-orange{background:rgba(232,112,10,.15);color:var(--c-accent2)}\n.hlh-badge-red{background:rgba(220,53,69,.15);color:#f07080}\n.hlh-badge-blue{background:rgba(13,110,253,.15);color:#7eb8e8}\n.hlh-badge-gray{background:rgba(90,106,126,.2);color:var(--c-muted)}\n.hlh-divider{border:none;border-top:1px solid var(--c-border);margin:36px 0}\n.hlh-link-pill{display:inline-flex;align-items:center;gap:5px;background:rgba(232,112,10,.1);border:1px solid rgba(232,112,10,.3);border-radius:20px;padding:2px 12px 2px 10px;font-size:13px;color:var(--c-accent2);text-decoration:none;font-weight:500;transition:background .15s;white-space:nowrap}\n.hlh-link-pill:hover{background:rgba(232,112,10,.2);color:var(--c-heading);text-decoration:none}\n.hlh-link-pill::before{content:'\u2192';font-size:12px}\n.hlh-tags{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}\n.hlh-tag{background:var(--c-tag-bg);color:var(--c-tag-text);font-size:12px;padding:4px 12px;border-radius:20px;border:1px solid rgba(126,184,232,.2);font-family:var(--f-mono)}\n\/* Steps *\/\n.hlh-steps{margin:18px 0}\n.hlh-step{display:flex;gap:18px;align-items:flex-start;padding:20px 0;border-bottom:1px solid var(--c-border)}\n.hlh-step:last-child{border-bottom:none}\n.hlh-step-num{width:38px;height:38px;border-radius:50%;background:var(--c-accent);color:#fff;font-family:var(--f-mono);font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0}\n.hlh-step-body h4{font-size:14px;color:var(--c-heading);font-weight:600;margin-bottom:5px;font-family:var(--f-body);text-transform:none;letter-spacing:0}\n.hlh-step-body p{font-size:14px;color:var(--c-steel);margin:0;line-height:1.6}\n\/* VS *\/\n.hlh-vs-wrap{display:grid;grid-template-columns:1fr auto 1fr;margin:22px 0;border:1px solid var(--c-border);border-radius:var(--r-lg);overflow:hidden}\n.hlh-vs-col{padding:22px 20px;background:var(--c-panel)}\n.hlh-vs-col:last-child{background:var(--c-surface)}\n.hlh-vs-divider{display:flex;align-items:center;justify-content:center;background:var(--c-bg);padding:0 16px;border-left:1px solid var(--c-border);border-right:1px solid var(--c-border)}\n.hlh-vs-badge{font-family:var(--f-mono);font-size:11px;color:var(--c-accent);letter-spacing:.12em;writing-mode:vertical-rl}\n.hlh-vs-col h4{font-size:15px;color:var(--c-heading);font-weight:700;margin-bottom:14px;text-transform:none;letter-spacing:0;font-family:var(--f-body)}\n.hlh-vs-list{list-style:none}\n.hlh-vs-list li{font-size:13px;color:var(--c-steel);padding:5px 0;border-bottom:1px solid var(--c-border);display:flex;gap:8px;align-items:flex-start;line-height:1.4}\n.hlh-vs-list li:last-child{border-bottom:none}\n.hlh-vs-list li::before{flex-shrink:0;margin-top:1px}\n.hlh-vs-list.pro li::before{content:'\u2713';color:#4caf74}\n.hlh-vs-list.con li::before{content:'\u00d7';color:#f07080}\n\/* CTA *\/\n.hlh-cta-section{background:linear-gradient(135deg,var(--c-panel) 0%,#1a2510 100%);border:1px solid var(--c-accent);border-radius:var(--r-lg);padding:44px 36px;text-align:center;margin-top:44px;position:relative;overflow:hidden}\n.hlh-cta-section::before{content:'';position:absolute;inset:0;background:repeating-linear-gradient(-45deg,transparent,transparent 30px,rgba(232,112,10,.02) 30px,rgba(232,112,10,.02) 31px)}\n.hlh-cta-section h2{font-family:var(--f-display);font-size:clamp(19px,2.8vw,27px);color:var(--c-heading);font-weight:700;border:none;padding:0;position:relative;margin-bottom:12px}\n.hlh-cta-section p{font-size:15px;color:var(--c-steel);max-width:500px;margin:0 auto 24px;position:relative}\n.hlh-cta-btn{display:inline-block;background:var(--c-accent);color:#fff;font-size:15px;font-weight:700;padding:14px 36px;border-radius:var(--r-md);text-decoration:none;letter-spacing:.04em;position:relative;transition:background .15s,transform .15s}\n.hlh-cta-btn:hover{background:var(--c-accent2);transform:translateY(-2px);color:#fff;text-decoration:none}\n.hlh-cta-sub{margin-top:14px;font-size:12px;color:var(--c-muted);position:relative}\n\/* Related *\/\n.hlh-related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:13px;margin:18px 0}\n.hlh-related-card{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-md);padding:18px;text-decoration:none;display:block;transition:border-color .15s,transform .15s}\n.hlh-related-card:hover{border-color:var(--c-accent);transform:translateY(-2px);text-decoration:none}\n.hlh-related-tag{font-family:var(--f-mono);font-size:10px;letter-spacing:.12em;color:var(--c-accent);text-transform:uppercase;margin-bottom:7px;display:block}\n.hlh-related-title{font-size:13.5px;font-weight:600;color:var(--c-heading);line-height:1.4;margin-bottom:6px}\n.hlh-related-desc{font-size:12px;color:var(--c-muted);line-height:1.5}\n.hlh-related-arrow{margin-top:10px;font-size:12px;color:var(--c-accent);font-family:var(--f-mono)}\n\/* Author *\/\n.hlh-author{background:var(--c-surface);border:1px solid var(--c-border);border-radius:var(--r-lg);padding:22px 26px;display:flex;gap:18px;align-items:center;margin-top:44px}\n.hlh-author-avatar{width:48px;height:48px;border-radius:50%;background:var(--c-accent);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0}\n.hlh-author-name{font-size:14px;font-weight:700;color:var(--c-heading);margin-bottom:4px}\n.hlh-author-bio{font-size:12px;color:var(--c-muted);line-height:1.5}\n\/* Grid cards *\/\n.hlh-card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin:18px 0}\n.hlh-card{background:var(--c-panel);border:1px solid var(--c-border);border-radius:var(--r-md);padding:16px 14px}\n.hlh-card-icon{font-size:22px;margin-bottom:8px;display:block}\n.hlh-card-title{font-size:13px;font-weight:600;color:var(--c-heading);margin-bottom:5px}\n.hlh-card-desc{font-size:12px;color:var(--c-muted);line-height:1.5}\n.hlh-card-val{font-family:var(--f-display);font-size:24px;color:var(--c-accent);font-weight:700;display:block;margin-bottom:4px}\n\/* Checklist *\/\n.hlh-checklist{list-style:none;margin:14px 0}\n.hlh-checklist li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--c-border);font-size:14.5px;color:var(--c-steel);line-height:1.55}\n.hlh-checklist li:last-child{border-bottom:none}\n.hlh-checklist li::before{content:'\u2713';color:#4caf74;flex-shrink:0;font-weight:700;margin-top:1px}\n.hlh-warn-list{list-style:none;margin:14px 0}\n.hlh-warn-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--c-border);font-size:14.5px;color:var(--c-steel);line-height:1.55}\n.hlh-warn-list li:last-child{border-bottom:none}\n.hlh-warn-list li::before{content:'\u2717';color:#f07080;flex-shrink:0;font-weight:700;margin-top:1px}\n\/* Responsive *\/\n@media(max-width:900px){.hlh-layout{grid-template-columns:1fr;padding:0 4%}.hlh-toc-wrap{position:static;padding:20px 0 0}.hlh-article{padding:20px 0}.hlh-vs-wrap{grid-template-columns:1fr}.hlh-vs-divider{display:none}}\n@media(max-width:600px){.hlh-hero{padding:44px 5% 36px}.hlh-related-grid{grid-template-columns:1fr}.hlh-cta-section{padding:32px 20px}}\n<\/style>\n<div class=\"hlh-cluster\">\n<div class=\"hlh-hero\">\n  <div class=\"hlh-hero-eyebrow\">Application Guide \u00b7 Jiangsu Henglihong Technology Co., Ltd.<\/div>\n  <h1>Using Silicon Carbide Blasting Media for <em>Ceramic &amp; Composite Surfaces<\/em><\/h1>\n  <p class=\"hlh-hero-sub\">Process parameters, grit selection, and contamination control guidance for SiC blasting of advanced ceramics, CFRP, SiC\/SiC CMC composites, and semiconductor substrates \u2014 for EV, 5G, power electronics, and precision manufacturing applications.<\/p>\n  <div class=\"hlh-hero-meta\">\n    <div class=\"hlh-meta-item\">\ud83d\udcc5 <span>Updated June 2026<\/span><\/div>\n    <div class=\"hlh-meta-dot\"><\/div>\n    <div class=\"hlh-meta-item\">\u23f1\ufe0f <span>~10 min read<\/span><\/div>\n    <div class=\"hlh-meta-dot\"><\/div>\n    <div class=\"hlh-meta-item\">\ud83c\udfed <span>Henglihong Technical Team<\/span><\/div>\n  <\/div>\n<\/div>\n<div class=\"hlh-layout\">\n<aside class=\"hlh-toc-wrap\">\n  <nav class=\"hlh-toc\" aria-label=\"Table of Contents\">\n    <div class=\"hlh-toc-title\">Contents<\/div>\n    <ol>\n      <li><a href=\"#why-ceramics\">Why SiC for Ceramics?<\/a><\/li>\n      <li><a href=\"#substrate-overview\">Substrate Overview<\/a><\/li>\n      <li><a href=\"#alumina\">Alumina &amp; Technical Ceramics<\/a><\/li>\n      <li><a href=\"#sic-ceramic\">SiC Ceramic Substrates<\/a><\/li>\n      <li><a href=\"#semiconductor\">Semiconductor &amp; Power Devices<\/a><\/li>\n      <li><a href=\"#cfrp\">CFRP &amp; Glass Fiber Composites<\/a><\/li>\n      <li><a href=\"#cmc\">SiC\/SiC Ceramic Matrix Composites<\/a><\/li>\n      <li><a href=\"#clean-room\">Clean-Room &amp; Contamination Control<\/a><\/li>\n      <li><a href=\"#parameters\">Process Parameters Table<\/a><\/li>\n      <li><a href=\"#faq\">PREGUNTAS FRECUENTES<\/a><\/li>\n      <li><a href=\"#related\">Related Guides<\/a><\/li>\n    <\/ol>\n    <a class=\"hlh-toc-cta\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quote \u2192<\/a>\n  <\/nav>\n<\/aside>\n<article class=\"hlh-article\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"why-ceramics\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 01<\/span>Why Silicon Carbide for Ceramic and Composite Surfaces?<\/h2>\n  <p>Advanced ceramics and structural composites represent the fastest-growing application category for silicon carbide abrasive blasting media, driven by rapid expansion in three converging technology sectors: electric vehicle power electronics (SiC MOSFETs, GaN devices), 5G base station ceramic components (alumina, AlN substrates), and next-generation aerospace structures (CFRP airframes, SiC\/SiC hot section components). All three sectors share a common surface preparation challenge: they involve extremely hard, brittle, or contamination-sensitive substrates that cannot be processed by conventional metallic abrasives or standard mineral abrasives without introducing unacceptable contamination or damage.<\/p>\n  <p>Silicon carbide \u2014 particularly high-purity Green SiC \u2014 is one of the very few abrasives that can effectively process these substrates because it is simultaneously harder than most advanced ceramics (enabling cutting), chemically inert (no reactive surface contamination), free of ferrous and metallic impurities (critical for semiconductor and clean-room environments), and available in ultra-fine grit sizes (enabling sub-micron surface finish targets).<\/p>\n  <p>For a full introduction to SiC abrasive properties: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-abrasive-blasting-media-complete-buyers-guide\/\" target=\"_blank\" rel=\"noopener\">Complete Buyer&#8217;s Guide to SiC Abrasive Blasting Media<\/a>.<\/p>\n  <div class=\"hlh-tags\">\n    <span class=\"hlh-tag\">Advanced Ceramics<\/span>\n    <span class=\"hlh-tag\">CFRP<\/span>\n    <span class=\"hlh-tag\">SiC Power Devices<\/span>\n    <span class=\"hlh-tag\">5G Ceramics<\/span>\n    <span class=\"hlh-tag\">EV Power Electronics<\/span>\n    <span class=\"hlh-tag\">Clean-Room<\/span>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"substrate-overview\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 02<\/span>Ceramic and Composite Substrate Overview<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Substrate<\/th><th>Hardness (Mohs)<\/th><th>Key Sensitivity<\/th><th>SiC Grade Required<\/th><th>Typical Application<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>Alumina (Al\u2082O\u2083 96\u201399.9%)<\/strong><\/td><td>8.5\u20139.0<\/td><td>Fracture toughness; surface integrity<\/td><td>Green SiC preferred<\/td><td>Semiconductor substrates, electronic packages, wear components<\/td><\/tr>\n        <tr><td><strong>Silicon Nitride (Si\u2083N\u2084)<\/strong><\/td><td>8.5\u20139.0<\/td><td>Micro-cracking under high impact<\/td><td>Green SiC<\/td><td>Bearing components, cutting tool inserts, engine parts<\/td><\/tr>\n        <tr><td><strong>Aluminum Nitride (AlN)<\/strong><\/td><td>7.0\u20138.0<\/td><td>Moisture sensitivity; very low KIC<\/td><td>Green SiC, ultra-fine<\/td><td>5G power amplifier substrates, LED packages<\/td><\/tr>\n        <tr><td><strong>Silicon Carbide (SiC) ceramic<\/strong><\/td><td>9.0\u20139.5<\/td><td>Hardest common ceramic<\/td><td>Green SiC (matched hardness)<\/td><td>SiC power MOSFETs, kiln furniture, mechanical seals<\/td><\/tr>\n        <tr><td><strong>Zirconia (ZrO\u2082)<\/strong><\/td><td>8.0\u20138.5<\/td><td>Phase transformation under stress<\/td><td>Green SiC preferred<\/td><td>Dental zirconia, thermal barrier layers, structural ceramics<\/td><\/tr>\n        <tr><td><strong>CFRP (standard)<\/strong><\/td><td>~3\u20135 (matrix)<\/td><td>Delamination; fiber damage<\/td><td>Black SiC, fine grit<\/td><td>Airframe structures, wind turbine blades, automotive panels<\/td><\/tr>\n        <tr><td><strong>SiC\/SiC CMC<\/strong><\/td><td>9.0\u20139.5<\/td><td>Fiber architecture integrity<\/td><td>Green SiC, ultra-fine<\/td><td>Turbine hot section, exhaust components<\/td><\/tr>\n        <tr><td><strong>Silicon wafer (Si)<\/strong><\/td><td>7.0<\/td><td>Contamination; wafer breakage<\/td><td>Green SiC, ultra-fine<\/td><td>Semiconductor wafer processing (lapping, dicing prep)<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"alumina\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 03<\/span>Alumina and Technical Ceramics<\/h2>\n  <p>Alumina (Al\u2082O\u2083) ceramics at 96\u201399.9% purity are the most widely used technical ceramics globally, appearing as electronic substrate packages, semiconductor housings, vacuum components, wear plates, and cutting tool inserts. Despite its own Mohs 8.5\u20139.0 hardness, alumina can be effectively blasted with Green SiC because SiC (Mohs 9.3\u20139.5) maintains a sufficient hardness differential for controlled material removal.<\/p>\n  <p>The primary purpose of blasting alumina ceramics is surface conditioning \u2014 removing surface contamination, creating micro-roughness for adhesive bonding or metallization, or cleaning firing residue and handling contamination from ceramic surfaces. The challenge is controlling the surface micro-fracture pattern: alumina is brittle (low fracture toughness of 3\u20135 MPa\u00b7m\u00bd) and excessive impact energy can cause sub-surface cracking, edge chipping, and surface strength degradation.<\/p>\n  <div class=\"hlh-highlight\">\n    <p><strong>Recommended parameters for alumina surface conditioning:<\/strong> Green SiC #150\u2013240, 30\u201355 PSI suction or low-pressure direct blast, 250\u2013400 mm standoff, 70\u201385\u00b0 nozzle angle. Verify Ra target per downstream process specification. Avoid coarser grits or pressures above 60 PSI unless surface strength reduction is explicitly acceptable to the engineering team.<\/p>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"sic-ceramic\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 04<\/span>Silicon Carbide Ceramic Substrates<\/h2>\n  <p>Blasting silicon carbide ceramic with silicon carbide abrasive presents a unique matched-hardness situation: both the substrate and the abrasive are at the same position on the Mohs scale (~9.0\u20139.5). This makes SiC one of the only practical abrasives capable of processing SiC ceramic substrates \u2014 aluminum oxide and most other abrasives are too soft to achieve meaningful surface conditioning of sintered SiC ceramics.<\/p>\n  <p>Green SiC abrasive at ultra-fine grit (#240\u2013400) and carefully controlled low pressure (20\u201345 PSI) is used to clean SiC ceramic surfaces (kiln furniture, mechanical seal faces, SiC power device substrates) without introducing foreign contamination. The abrasive material that remains on the surface \u2014 any embedded SiC particles \u2014 is chemically identical to the substrate and does not cause contamination-type failures, which is a significant practical advantage.<\/p>\n  <p>For SiC power device substrates (SiC MOSFETs, SiC Schottky diodes) used in EV inverters and power conversion systems, ultra-fine Green SiC lapping (#400\u20131200) is used for pre-metallization surface preparation, achieving Ra values below 0.1 \u00b5m on single-crystal SiC wafer surfaces.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"semiconductor\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 05<\/span>Semiconductor and Power Device Applications<\/h2>\n  <p>In semiconductor manufacturing, SiC abrasive blasting and lapping are used at specific process steps where controlled surface conditioning is required. These include: wafer edge profiling (preventing edge chipping during slicing and handling), substrate surface preparation before epitaxial growth, back-grinding and thinning of packaged wafers, and dicing blade preparation for wafer singulation.<\/p>\n  <p>The purity requirements in semiconductor applications are the most stringent of any SiC blasting application. Green SiC must meet Fe\u2082O\u2083 \u2264 0.02\u20130.05% (tighter than aerospace), free silicon and free carbon must be specified and verified, and particle morphology must be well-controlled (no large outlier particles that could cause deep scratches in lapping). For dicing blade applications \u2014 which are a core product line at Jiangsu Henglihong Technology Co., Ltd. \u2014 the SiC abrasive quality directly determines blade cutting speed, kerf width consistency, and wafer edge quality.<\/p>\n  <div class=\"hlh-note\">\n    <span class=\"hlh-note-icon\">\ud83d\udca1<\/span>\n    <p><strong>EV context:<\/strong> Silicon carbide power semiconductors (SiC MOSFETs) are a critical enabling technology for high-efficiency EV powertrains \u2014 they operate at higher switching frequencies, higher voltages, and higher temperatures than silicon-based devices, enabling smaller, lighter, and more efficient motor drives and on-board chargers. Global SiC wafer demand has grown approximately 40% per year since 2020, driven primarily by EV adoption and 5G infrastructure build-out. SiC abrasive quality requirements from this sector are now among the most demanding in the global abrasives market.<\/p>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"cfrp\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 06<\/span>CFRP and Glass Fiber Composites<\/h2>\n  <p>Carbon fiber reinforced polymer (CFRP) composites have become the dominant structural material in commercial aviation, wind energy, and performance automotive applications. Abrasive blasting of CFRP for surface preparation (prior to adhesive bonding, co-cured repair patches, or protective coating application) requires careful control of media selection and parameters to achieve adequate surface preparation without damaging the fiber architecture.<\/p>\n  <p>The challenge is that CFRP has a highly anisotropic structure: the carbon fibers (strong in tension along the fiber axis) are held in an epoxy matrix (brittle in transverse and through-thickness directions). High-energy abrasive impact can cause interfacial debonding between fiber and matrix \u2014 delamination \u2014 that weakens the structure without creating any visible surface defect. This damage is detectable only by ultrasonic C-scan NDI, making it a particularly insidious risk.<\/p>\n  <p>For CFRP blasting, use SiC #150\u2013220 at 25\u201345 PSI with a large standoff (350\u2013500 mm) and constant nozzle motion. Limit blast duration to achieve only the minimum surface conditioning required by the bonding specification. Validate parameters on CFRP test coupons with pre- and post-blast C-scan NDI before production blasting. For more context on why SiC is specified for composites over other abrasives: <a class=\"hlh-link-pill\" href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-abrasive-for-aerospace-surface-preparation-standards-specs\/\" target=\"_blank\" rel=\"noopener\">SiC for Aerospace Surface Prep<\/a><\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"cmc\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 07<\/span>SiC\/SiC Ceramic Matrix Composites (CMC)<\/h2>\n  <p>SiC\/SiC ceramic matrix composites \u2014 silicon carbide fibers embedded in a silicon carbide matrix \u2014 are the materials that enable the next generation of fuel-efficient aircraft engines. Used in turbine hot section components (high-pressure turbine blades, vanes, combustor liners, nozzle guide vanes), SiC\/SiC CMCs can operate at temperatures 100\u2013300\u00b0C above the capability of nickel superalloys, enabling higher turbine inlet temperatures and significantly improved engine thermal efficiency.<\/p>\n  <p>Surface preparation of SiC\/SiC CMC components is among the most technically demanding blasting applications in existence. The target is to clean the component surface (removing oxide films, handling contamination, or machining residue) without disrupting the SiC fiber architecture or causing micro-cracking in the brittle matrix. Green SiC at ultra-fine grit (#320\u2013600) and very low pressure (15\u201335 PSI) with extended standoff (400\u2013600 mm) is used, typically with a wet\/vapor blasting system that further reduces the kinetic energy of individual particles through the water cushion effect.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"clean-room\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 08<\/span>Clean-Room and Contamination Control Requirements<\/h2>\n  <p>Advanced ceramic and semiconductor blasting operations often occur within or adjacent to clean-room manufacturing environments. In these contexts, SiC media purity is not just a process quality concern \u2014 it is a contamination control requirement that can affect entire production batches of devices if media-borne contamination reaches the wafer or substrate surface.<\/p>\n  <ul class=\"hlh-checklist\">\n    <li>Use Green SiC with documented Fe\u2082O\u2083 \u2264 0.05% for all semiconductor-adjacent applications. Request ICP-OES (Inductively Coupled Plasma Optical Emission Spectroscopy) analysis for critical trace metal content if specified by process engineering.<\/li>\n    <li>Store SiC media in sealed, antistatic containers. Static charge on SiC particles can attract and concentrate airborne contamination particles, which are then delivered to the substrate surface during blasting.<\/li>\n    <li>Use a dedicated blast cabinet with HEPA-filtered exhaust for all ceramic \/ semiconductor blasting operations. Never vent exhaust into the facility air space.<\/li>\n    <li>Change gloves and use clean garments when handling SiC media intended for semiconductor applications. Skin oils, cosmetics, and handling-borne contamination on media can transfer to substrates during blasting.<\/li>\n    <li>Quarantine and test new media lots before introducing them into production. Run a blank substrate blast test and perform surface contamination analysis (particle count, metal trace) before releasing a new lot for production use.<\/li>\n  <\/ul>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"parameters\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 09<\/span>Process Parameters Summary Table<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Substrate<\/th><th>SiC Grade<\/th><th>Grit<\/th><th>Pressure (PSI)<\/th><th>Standoff (mm)<\/th><th>Ra Target (\u00b5m)<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td>Alumina 96\u201399.9%<\/td><td>Green SiC<\/td><td>#150\u2013240<\/td><td>30\u201355<\/td><td>250\u2013400<\/td><td>0.5\u20132.0<\/td><\/tr>\n        <tr><td>Silicon Nitride<\/td><td>Green SiC<\/td><td>#180\u2013320<\/td><td>25\u201345<\/td><td>300\u2013450<\/td><td>0.3\u20131.5<\/td><\/tr>\n        <tr><td>AlN (5G substrates)<\/td><td>Green SiC<\/td><td>#220\u2013400<\/td><td>20\u201335<\/td><td>350\u2013500<\/td><td>0.1\u20130.8<\/td><\/tr>\n        <tr><td>Sintered SiC ceramic<\/td><td>Green SiC<\/td><td>#240\u2013400<\/td><td>20\u201345<\/td><td>300\u2013500<\/td><td>0.1\u20131.0<\/td><\/tr>\n        <tr><td>Zirconia (structural)<\/td><td>Green SiC<\/td><td>#150\u2013280<\/td><td>30\u201355<\/td><td>250\u2013400<\/td><td>0.5\u20132.0<\/td><\/tr>\n        <tr><td>CFRP (bond prep)<\/td><td>Black or Green SiC<\/td><td>#150\u2013220<\/td><td>25\u201345<\/td><td>350\u2013500<\/td><td>0.5\u20132.0<\/td><\/tr>\n        <tr><td>SiC\/SiC CMC<\/td><td>Green SiC<\/td><td>#320\u2013600<\/td><td>15\u201335<\/td><td>400\u2013600<\/td><td>&lt;0.3<\/td><\/tr>\n        <tr><td>Silicon wafer (lapping)<\/td><td>Green SiC<\/td><td>#400\u20131200<\/td><td>Wet lapping<\/td><td>N\/A<\/td><td>&lt;0.05<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <div class=\"hlh-note\">\n    <span class=\"hlh-note-icon\">\u26a0\ufe0f<\/span>\n    <p><strong>Parameters are starting points:<\/strong> All values above are engineering starting points for process development. Final production parameters must be validated by coupon testing against the specific substrate lot, surface finish specification, and downstream process requirements. Substrate-to-substrate variation within the same material class can require significant parameter adjustment.<\/p>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"faq\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 10<\/span>PREGUNTAS FRECUENTES<\/h2>\n  <div style=\"border:1px solid var(--c-border);border-radius:var(--r-md);margin-bottom:10px;overflow:hidden\">\n    <div style=\"background:var(--c-panel);padding:13px 17px;font-size:14px;font-weight:600;color:var(--c-heading)\">Why use SiC abrasive to blast SiC ceramics \u2014 doesn&#8217;t that just add SiC to the surface?<\/div>\n    <div style=\"padding:13px 17px;font-size:13.5px;color:var(--c-steel);border-top:1px solid var(--c-border)\">This is precisely the advantage of using SiC on SiC substrates. Any abrasive particles that become embedded in or remain on the surface are chemically identical to the substrate \u2014 they cannot create galvanic contamination, ionic contamination, or metallic impurity failures. For silicon carbide power devices and SiC\/SiC CMC components, this contamination neutrality is a primary reason Green SiC is specified over alternatives.<\/div>\n  <\/div>\n  <div style=\"border:1px solid var(--c-border);border-radius:var(--r-md);overflow:hidden\">\n    <div style=\"background:var(--c-panel);padding:13px 17px;font-size:14px;font-weight:600;color:var(--c-heading)\">Can SiC abrasive be used in ISO Class 6 or better clean-room environments?<\/div>\n    <div style=\"padding:13px 17px;font-size:13.5px;color:var(--c-steel);border-top:1px solid var(--c-border)\">Blasting operations \u2014 even with high-purity SiC \u2014 generate significant particulate and are generally not performed within the clean-room itself. Blasting is typically performed in an adjacent non-classified area or in a dedicated blast enclosure with HEPA-filtered exhaust isolation. Finished, blasted components are then transferred through appropriate airlocks into the clean-room environment. Consult your contamination control engineer for the specific airlock and transfer protocol required for your facility classification.<\/div>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"related\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 11<\/span>Related Guides<\/h2>\n  <div class=\"hlh-related-grid\">\n    <a class=\"hlh-related-card\" href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-abrasive-blasting-media-complete-buyers-guide\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Pillar<\/span>\n      <div class=\"hlh-related-title\">Complete Buyer&#8217;s Guide to SiC Blasting Media<\/div>\n      <div class=\"hlh-related-desc\">Full SiC overview: properties, applications, grit selection, and sourcing.<\/div>\n      <div class=\"hlh-related-arrow\">Read guide \u2192<\/div>\n    <\/a>\n    <a class=\"hlh-related-card\" href=\"https:\/\/hlh-js.com\/resource\/blog\/black-silicon-carbide-vs-green-silicon-carbide-whats-the-difference\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Producto<\/span>\n      <div class=\"hlh-related-title\">Black SiC vs. Green SiC: What&#8217;s the Difference?<\/div>\n      <div class=\"hlh-related-desc\">Why semiconductor and ceramic applications require Green SiC purity grades.<\/div>\n      <div class=\"hlh-related-arrow\">Read guide \u2192<\/div>\n    <\/a>\n    <a class=\"hlh-related-card\" href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-abrasive-for-aerospace-surface-preparation-standards-specs\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Aplicaci\u00f3n<\/span>\n      <div class=\"hlh-related-title\">SiC for Aerospace Surface Prep: Standards &amp; Specs<\/div>\n      <div class=\"hlh-related-desc\">NADCAP, MIL-SPEC, and substrate-specific parameters for aerospace applications.<\/div>\n      <div class=\"hlh-related-arrow\">Read guide \u2192<\/div>\n    <\/a>\n    <a class=\"hlh-related-card\" href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-buy-silicon-carbide-blasting-media-from-china-moq-specs-supplier-checklist\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Procurement<\/span>\n      <div class=\"hlh-related-title\">How to Buy SiC from China: MOQ, Specs &amp; Checklist<\/div>\n      <div class=\"hlh-related-desc\">Complete sourcing guide for international buyers of SiC abrasive media.<\/div>\n      <div class=\"hlh-related-arrow\">Read guide \u2192<\/div>\n    <\/a>\n  <\/div>\n<\/div>\n\n<div class=\"hlh-cta-section\">\n  <h2>High-Purity Green SiC for Ceramics &amp; Semiconductor Applications<\/h2>\n  <p>Jiangsu Henglihong Technology Co., Ltd. supplies Green SiC with Fe\u2082O\u2083 \u2264 0.08%, ultra-fine grit range (#240\u20131200), and full lot-level chemical analysis \u2014 designed for the purity requirements of advanced ceramic, power electronics, and precision manufacturing applications.<\/p>\n  <a class=\"hlh-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quote \u2192<\/a>\n  <div class=\"hlh-cta-sub\">Green SiC #80\u20131200 \u00b7 Full chemical analysis per lot \u00b7 Free samples for process qualification<\/div>\n<\/div>\n\n<div class=\"hlh-author\">\n  <div class=\"hlh-author-avatar\">\u2699\ufe0f<\/div>\n  <div>\n    <div class=\"hlh-author-name\">Henglihong Technical Content Team<\/div>\n    <div class=\"hlh-author-bio\">Published by Jiangsu Henglihong Technology Co., Ltd. Last updated: June 2026.<\/div>\n  <\/div>\n<\/div>\n<\/article>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Application Guide \u00b7 Jiangsu Henglihong Technology Co., Ltd. Using Silicon  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13422,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/13419","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=13419"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/13419\/revisions"}],"predecessor-version":[{"id":13421,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/posts\/13419\/revisions\/13421"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/media\/13422"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/media?parent=13419"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/categories?post=13419"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/es\/wp-json\/wp\/v2\/tags?post=13419"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}