{"id":12796,"date":"2026-04-13T02:23:41","date_gmt":"2026-04-13T02:23:41","guid":{"rendered":"https:\/\/hlh-js.com\/?p=12796"},"modified":"2026-04-14T03:22:09","modified_gmt":"2026-04-14T03:22:09","slug":"aluminum-oxide-blast-media-uses-grit-guide","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/zh\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/","title":{"rendered":"Aluminum Oxide Blast Media: Uses, Grit Sizes &amp; Complete Buyer&#8217;s Guide"},"content":{"rendered":"<!-- ============================================================\r\n     CLUSTER 3: Aluminum Oxide Blast Media \u2014 Uses & Grit Guide\r\n     Jiangsu Henglihong Technology Co., Ltd.\r\n     URL: https:\/\/hlh-js.com\/resource\/blog\/aluminum-oxide-blast-media-uses-grit-guide\/\r\n     Pillar back-link: https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\r\n     Word count target: ~1,800 words\r\n     Updated: March 2026\r\n     ============================================================ --><!-- ===== JSON-LD SCHEMA ===== -->\r\n<p><script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@graph\": [\n        {\n            \"@type\": \"Article\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/aluminum-oxide-blast-media-uses-grit-guide\\\/#article\",\n            \"headline\": \"Aluminum Oxide Blast Media: Uses, Grit Sizes & Complete Buyer's Guide (2026)\",\n            \"description\": \"Everything industrial buyers need to know about aluminum oxide blast media \\u2014 brown vs white fused alumina, grit size selection, surface profile data, recyclability, and applications across steel, stainless, titanium, and ceramics.\",\n            \"image\": \"https:\\\/\\\/hlh-js.com\\\/wp-content\\\/uploads\\\/aluminum-oxide-blast-media-guide.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\\\/aluminum-oxide-blast-media-uses-grit-guide\\\/\"\n        },\n        {\n            \"@type\": \"FAQPage\",\n            \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/aluminum-oxide-blast-media-uses-grit-guide\\\/#faq\",\n            \"mainEntity\": [\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is aluminum oxide blast media used for?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Aluminum oxide blast media is used for surface preparation of carbon steel, stainless steel, titanium, nickel alloys, ceramics, and composites. Primary applications include rust and mill scale removal, anchor profile creation for industrial coatings, deburring of castings and precision parts, pre-treatment before electroplating or thermal spray, and surface finishing of aerospace components.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What grit size of aluminum oxide should I use for blasting?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Grit size depends on the required surface profile. F24\\u2013F36 (coarse) for heavy mill scale and thick coating removal producing 65\\u2013110 \\u00b5m profiles. F54\\u2013F80 (medium) for standard industrial surface prep producing 35\\u201370 \\u00b5m profiles suitable for most epoxy and zinc primer systems. F100\\u2013F120 (fine) for stainless steel, pre-plating, or thin-film coatings requiring 20\\u201340 \\u00b5m profiles. F150\\u2013F220 (very fine) for precision finishing and decorative metalwork.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"What is the difference between brown and white aluminum oxide for blasting?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"Brown fused alumina (BFA) contains 95\\u201397% Al\\u2082O\\u2083 with titanium oxide giving it a brown color, and is the standard choice for carbon steel and general industrial blasting due to its cost-effectiveness and high recyclability. White fused alumina (WFA) is purer (99%+ Al\\u2082O\\u2083), harder, and contains significantly less iron oxide \\u2014 making it the required specification for stainless steel, titanium, nickel superalloys, and any application where iron contamination would cause corrosion or metallurgical problems.\"\n                    }\n                },\n                {\n                    \"@type\": \"Question\",\n                    \"name\": \"How many times can aluminum oxide be reused?\",\n                    \"acceptedAnswer\": {\n                        \"@type\": \"Answer\",\n                        \"text\": \"In a well-maintained recirculating blast cabinet or blast room with a properly tuned classifier, aluminum oxide typically achieves 100\\u2013200 reuse cycles before particle size falls below the usable threshold. Actual recycle life depends on blast pressure, nozzle condition, media hardness grade, and the substrate being treated. 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}\r\n  .c3-faq-icon {\r\n    font-size: 1.2rem;\r\n    color: #e05f1b;\r\n    transition: transform 0.25s;\r\n    flex-shrink: 0;\r\n    margin-left: 12px;\r\n    font-style: normal;\r\n  }\r\n  .c3-faq-item.open .c3-faq-icon { transform: rotate(45deg); }\r\n  .c3-faq-a {\r\n    display: none;\r\n    padding: 15px 20px 17px;\r\n    font-size: 0.92rem;\r\n    line-height: 1.75;\r\n    color: #3a4a5a;\r\n    border-top: 1px solid #d4dde8;\r\n  }\r\n  .c3-faq-item.open .c3-faq-a { display: block; }\r\n\r\n  \/* --- CTA --- *\/\r\n  .c3-cta {\r\n    background: linear-gradient(135deg, #0d2137 0%, #1e3a5f 100%);\r\n    border-radius: 12px;\r\n    padding: 38px 42px;\r\n    margin-top: 50px;\r\n    text-align: center;\r\n    color: #fff;\r\n  }\r\n  .c3-cta h2 {\r\n    color: #fff; border: none; padding: 0;\r\n    margin: 0 0 10px; font-size: 1.55rem;\r\n  }\r\n  .c3-cta p {\r\n    color: rgba(255,255,255,0.75);\r\n    max-width: 520px; margin: 0 auto 22px; font-size: 0.98rem;\r\n  }\r\n  .c3-cta-btn {\r\n    display: inline-block;\r\n    background: #e05f1b;\r\n    color: #fff !important;\r\n    font-family: 'Trebuchet MS', sans-serif;\r\n    font-size: 0.95rem; font-weight: 700;\r\n    padding: 13px 34px; border-radius: 6px;\r\n    text-decoration: none !important; border: none !important;\r\n    transition: background 0.2s, transform 0.2s;\r\n  }\r\n  .c3-cta-btn:hover { background: #c05010 !important; transform: translateY(-1px); }\r\n\r\n  \/* --- Responsive --- *\/\r\n  @media (max-width: 680px) {\r\n    .c3-hero  { padding: 30px 22px 26px; }\r\n    .c3-hero h1 { font-size: 1.6rem; }\r\n    .c3-specs-bar  { grid-template-columns: 1fr 1fr; }\r\n    .c3-grade-grid { grid-template-columns: 1fr; }\r\n    .c3-app-grid   { grid-template-columns: 1fr 1fr; }\r\n    .c3-dos-grid   { grid-template-columns: 1fr; }\r\n    .c3-recycle-box { flex-direction: column; gap: 16px; }\r\n    .c3-recycle-divider { display: none; }\r\n    .c3-cta { padding: 26px 20px; }\r\n    .c3-article h2 { font-size: 1.38rem; }\r\n  }\r\n  @media (max-width: 420px) {\r\n    .c3-app-grid { grid-template-columns: 1fr; }\r\n  }\r\n<\/style><\/p>\r\n<!-- ===== ARTICLE WRAPPER ===== -->\r\n<article class=\"c3-article\"><!-- HERO -->\r\n<div class=\"c3-hero\"><span class=\"c3-hero-label\">In-Depth Product Guide \u00b7 March 2026<\/span>\r\n<h1>Aluminum Oxide Blast Media: Uses, Grit Sizes &amp; Complete Buyer&#8217;s Guide<\/h1>\r\n<p class=\"c3-hero-sub\">The industrial blasting world&#8217;s most versatile abrasive \u2014 covering brown vs white fused alumina, grit size selection by application, surface profile data, recyclability economics, and everything you need to specify and source aluminum oxide blast media correctly.<\/p>\r\n<div class=\"c3-hero-meta\">Updated March 2026 \u00a0\u00b7\u00a0 10-minute read \u00a0\u00b7\u00a0 Jiangsu Henglihong Technology Co., Ltd.<\/div>\r\n<\/div>\r\n<!-- KEY SPECS -->\r\n<div class=\"c3-specs-bar\">\r\n<div class=\"c3-spec-card\"><span class=\"c3-spec-num\">9.0<\/span> <span class=\"c3-spec-label\">Mohs hardness \u2014 second only to silicon carbide<\/span><\/div>\r\n<div class=\"c3-spec-card\"><span class=\"c3-spec-num\">200\u00d7<\/span> <span class=\"c3-spec-label\">Typical recycle life in recirculating cabinet systems<\/span><\/div>\r\n<div class=\"c3-spec-card\"><span class=\"c3-spec-num\">95\u201399%<\/span> <span class=\"c3-spec-label\">Al\u2082O\u2083 purity range (BFA to WFA)<\/span><\/div>\r\n<div class=\"c3-spec-card\"><span class=\"c3-spec-num\">F12\u2013F220<\/span> <span class=\"c3-spec-label\">Available grit range for blasting applications<\/span><\/div>\r\n<\/div>\r\n<!-- PILLAR BACK-LINK -->\r\n<div class=\"c3-pillar-link\">\ud83d\udcd6Part of our complete abrasive blasting resource library. For a full overview of all media 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>.<\/div>\r\n<!-- TOC --><nav class=\"c3-toc\" aria-label=\"Table of Contents\">\r\n<div class=\"c3-toc-title\">Table of Contents<\/div>\r\n<ol>\r\n<li><a href=\"#c3-what-is\">What Is Aluminum Oxide Blast Media?<\/a><\/li>\r\n<li><a href=\"#c3-bfa-vs-wfa\">Brown vs White Fused Alumina \u2014 Which Do You Need?<\/a><\/li>\r\n<li><a href=\"#c3-grit\">Grit Size Guide &amp; Surface Profile Data<\/a><\/li>\r\n<li><a href=\"#c3-applications\">Applications by Industry and Substrate<\/a><\/li>\r\n<li><a href=\"#c3-recyclability\">Recyclability and Cost Economics<\/a><\/li>\r\n<li><a href=\"#c3-dos-donts\">When to Use It \u2014 and When Not To<\/a><\/li>\r\n<li><a href=\"#c3-sourcing\">Sourcing and Quality Standards<\/a><\/li>\r\n<li><a href=\"#c3-faq\">Frequently Asked Questions<\/a><\/li>\r\n<\/ol>\r\n<\/nav><!-- SECTION 1 -->\r\n<h2 id=\"c3-what-is\">1. What Is Aluminum Oxide Blast Media?<\/h2>\r\n<p>Aluminum oxide blast media \u2014 also known as <strong>aluminium oxide abrasive<\/strong>, <strong>corundum grit<\/strong>, or by its technical name <em>\u7194\u878d\u6c27\u5316\u94dd<\/em> \u2014 is a synthetic mineral abrasive manufactured by fusing bauxite ore in an electric arc furnace at temperatures exceeding 2,000 \u00b0C. The result is a crystalline material of exceptional hardness, toughness, and chemical purity that, when crushed and sized to precise grit grades, becomes the most widely used blasting abrasive in global industrial manufacturing.<\/p>\r\n<p>As of March 2026, aluminum oxide accounts for a dominant share of the industrial mineral abrasive blasting market, used across surface preparation, deburring, descaling, and finishing operations in virtually every manufacturing sector. Its combination of <strong>very high hardness (Mohs 9.0)<\/strong>, <strong>sharp angular particle morphology<\/strong>, <strong>chemical inertness<\/strong>\u548c <strong>outstanding recyclability<\/strong> makes it the reference standard against which other blasting media are compared.<\/p>\r\n<p>Unlike silica sand \u2014 which is banned or severely restricted in most countries due to silicosis risk \u2014 aluminum oxide contains no free crystalline silica and is fully compliant with OSHA, EU Directive 2017\/2398, and equivalent occupational health regulations worldwide. This makes it the default specification for any operation that has transitioned away from silica sand and needs a high-performance, regulation-compliant replacement.<\/p>\r\n<div class=\"c3-highlight\"><span class=\"c3-highlight-label\">Why It Dominates<\/span> No other single blasting media type matches aluminum oxide&#8217;s combination of broad substrate compatibility, consistent surface profile generation, recyclability, and regulatory safety. It is the closest thing the abrasive blasting industry has to a universal standard \u2014 though correct grade and grit selection still matters enormously, as this guide explains.<\/div>\r\n<!-- SECTION 2 -->\r\n<h2 id=\"c3-bfa-vs-wfa\">2. Brown vs White Fused Alumina \u2014 Which Do You Need?<\/h2>\r\n<p>Aluminum oxide for blasting is commercially available in two primary grades: <strong>brown fused alumina (BFA)<\/strong> \u548c <strong>white fused alumina (WFA)<\/strong>. Both are manufactured from the same fundamental process, but differ in raw material purity and final chemical composition \u2014 differences that matter significantly for certain substrate types.<\/p>\r\n<div class=\"c3-grade-grid\">\r\n<div class=\"c3-grade-card\">\r\n<div class=\"c3-grade-card-header bfa\">Brown Fused Alumina (BFA)<\/div>\r\n<div class=\"c3-grade-card-body\">\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Al\u2082O\u2083 purity<\/span> <span class=\"c3-grade-row-val\">95\u201397%<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">TiO\u2082 content<\/span> <span class=\"c3-grade-row-val\">1.5\u20133.5%<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Fe\u2082O\u2083 content<\/span> <span class=\"c3-grade-row-val\">0.1\u20130.3%<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Mohs hardness<\/span> <span class=\"c3-grade-row-val\">~9.0<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Recycle life<\/span> <span class=\"c3-grade-row-val\">100\u2013200 cycles<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Relative cost<\/span> <span class=\"c3-grade-row-val\">Lower<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Best for<\/span> <span class=\"c3-grade-row-val\">Carbon steel, general industrial<\/span><\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"c3-grade-card\">\r\n<div class=\"c3-grade-card-header wfa\">White Fused Alumina (WFA)<\/div>\r\n<div class=\"c3-grade-card-body\">\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Al\u2082O\u2083 purity<\/span> <span class=\"c3-grade-row-val\">99%+<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">TiO\u2082 content<\/span> <span class=\"c3-grade-row-val\">&lt;0.1%<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Fe\u2082O\u2083 content<\/span> <span class=\"c3-grade-row-val\">&lt;0.05%<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Mohs hardness<\/span> <span class=\"c3-grade-row-val\">9.0\u20139.2<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Recycle life<\/span> <span class=\"c3-grade-row-val\">150\u2013200+ cycles<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Relative cost<\/span> <span class=\"c3-grade-row-val\">20\u201340% higher than BFA<\/span><\/div>\r\n<div class=\"c3-grade-row\"><span class=\"c3-grade-row-label\">Best for<\/span> <span class=\"c3-grade-row-val\">Stainless steel, Ti, Ni alloys, precision<\/span><\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<p>The practical decision rule is straightforward: <strong>use brown fused alumina for carbon steel, cast iron, structural steel, and general industrial surface preparation<\/strong> where iron contamination is not a concern. <strong>Use white fused alumina wherever iron contamination is unacceptable<\/strong> \u2014 stainless steel, titanium alloys, nickel superalloys, and any component that will undergo electroplating, anodizing, or thermal spray coating where trace iron at the surface would cause adhesion failure or corrosion initiation.<\/p>\r\n<div class=\"c3-info\"><strong>Supplier specification tip:<\/strong> When ordering white fused alumina for stainless or titanium applications, always request a material test report (MTR) confirming Fe\u2082O\u2083 content below 0.05% and free silica content below 0.5% for the specific production batch. Batch-to-batch variation in iron content is the most common quality problem encountered with WFA from lower-tier suppliers.<\/div>\r\n<!-- SECTION 3 -->\r\n<h2 id=\"c3-grit\">3. Grit Size Guide &amp; Surface Profile Data<\/h2>\r\n<p>Grit size is the primary variable controlling surface profile depth (anchor profile). Every industrial coating system specifies a minimum and maximum surface profile \u2014 typically expressed in \u00b5m Ra or Rz per ISO 8503 \u2014 and selecting the correct aluminum oxide grit to consistently hit that window is a critical engineering decision, not a rough estimate.<\/p>\r\n<p>The FEPA F-grade system (F12 through F220+) is the standard sizing reference for blasting-grade aluminum oxide in international trade. Equivalent US mesh sizes are also shown in the table below for reference.<\/p>\r\n<div class=\"c3-table-wrap\">\r\n<table class=\"c3-table\">\r\n<thead>\r\n<tr>\r\n<th>FEPA Grade<\/th>\r\n<th>US Mesh Equiv.<\/th>\r\n<th>Particle Size (\u00b5m)<\/th>\r\n<th>Profile Depth (Rz)<\/th>\r\n<th>Typical Use Case<\/th>\r\n<\/tr>\r\n<\/thead>\r\n<tbody>\r\n<tr>\r\n<td>F12<\/td>\r\n<td>~12 Mesh<\/td>\r\n<td>1,700\u20132,360<\/td>\r\n<td><span class=\"c3-pbar-text\">110\u2013140 \u00b5m<\/span><\/td>\r\n<td>Extremely heavy scale, thick epoxy removal, maximum profile<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F16<\/td>\r\n<td>~16 Mesh<\/td>\r\n<td>1,180\u20131,700<\/td>\r\n<td><span class=\"c3-pbar-text\">90\u2013120 \u00b5m<\/span><\/td>\r\n<td>Very heavy structural steel prep, high-build zinc-rich coatings<\/td>\r\n<\/tr>\r\n<tr class=\"c3-row-highlight\">\r\n<td>F24 <span class=\"c3-badge c3-badge-pop\">Popular<\/span><\/td>\r\n<td>~24 Mesh<\/td>\r\n<td>710\u20131,000<\/td>\r\n<td><span class=\"c3-pbar-text\">75\u2013100 \u00b5m<\/span><\/td>\r\n<td>Heavy structural steel, Sa 2.5 \/ SSPC-SP10, industrial coating prep<\/td>\r\n<\/tr>\r\n<tr class=\"c3-row-highlight\">\r\n<td>F36 <span class=\"c3-badge c3-badge-pop\">Popular<\/span><\/td>\r\n<td>~36 Mesh<\/td>\r\n<td>500-710<\/td>\r\n<td><span class=\"c3-pbar-text\">60\u201385 \u00b5m<\/span><\/td>\r\n<td>General steel surface prep, pipeline coating, marine applications<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F46<\/td>\r\n<td>~46 Mesh<\/td>\r\n<td>355-500<\/td>\r\n<td><span class=\"c3-pbar-text\">50\u201370 \u00b5m<\/span><\/td>\r\n<td>Standard industrial prep, epoxy primer systems<\/td>\r\n<\/tr>\r\n<tr class=\"c3-row-highlight\">\r\n<td>F54\u2013F60 <span class=\"c3-badge c3-badge-pop\">Popular<\/span><\/td>\r\n<td>~54\u201360 Mesh<\/td>\r\n<td>250-355<\/td>\r\n<td><span class=\"c3-pbar-text\">40\u201360 \u00b5m<\/span><\/td>\r\n<td>Versatile mid-range; polyurethane, epoxy, zinc coatings<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F80<\/td>\r\n<td>~80 Mesh<\/td>\r\n<td>180-250<\/td>\r\n<td><span class=\"c3-pbar-text\">30\u201350 \u00b5m<\/span><\/td>\r\n<td>Stainless steel, aluminum, pre-electroplating, thin-film coatings<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F100\u2013F120<\/td>\r\n<td>~100\u2013120 Mesh<\/td>\r\n<td>106\u2013180<\/td>\r\n<td><span class=\"c3-pbar-text\">18\u201335 \u00b5m<\/span><\/td>\r\n<td>Fine surface conditioning, pre-anodizing, pre-thermal spray<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F150\u2013F180<\/td>\r\n<td>~150\u2013180 Mesh<\/td>\r\n<td>63-106<\/td>\r\n<td><span class=\"c3-pbar-text\">10\u201320 \u00b5m<\/span><\/td>\r\n<td>Precision finishing, medical components, pre-PVD\/CVD coating<\/td>\r\n<\/tr>\r\n<tr>\r\n<td>F220+<\/td>\r\n<td>~220+ Mesh<\/td>\r\n<td>&lt;63<\/td>\r\n<td><span class=\"c3-pbar-text\">&lt;10 \u00b5m<\/span><\/td>\r\n<td>Ultra-fine finishing, optical components, semiconductor substrates<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n<\/div>\r\n<p style=\"font-size: 0.82rem; color: #7a8a9a; margin-top: -16px;\">Profile depth ranges are indicative for brown fused alumina at 5\u20137 bar (73\u2013102 psi) blast pressure, 150\u2013200 mm standoff distance, perpendicular blast angle. Actual profiles vary with equipment condition, nozzle wear, and substrate hardness.<\/p>\r\n<div class=\"c3-highlight\"><span class=\"c3-highlight-label\">Practical Guideline<\/span> For most industrial coating prep work on carbon steel \u2014 epoxy, polyurethane, and zinc-rich primer systems \u2014 F36 to F60 aluminum oxide consistently delivers the 40\u201380 \u00b5m anchor profiles specified by major coating manufacturers. If you are unsure, request a test panel from your supplier using your actual blast equipment before committing to a full production run.<\/div>\r\n<!-- SECTION 4 -->\r\n<h2 id=\"c3-applications\">4. Applications by Industry and Substrate<\/h2>\r\n<p>Aluminum oxide&#8217;s combination of high hardness, angular shape, and chemical inertness makes it suitable for a wider range of substrates and industries than any other single mineral abrasive. The following application grid covers the most commercially significant uses as of March 2026.<\/p>\r\n<div class=\"c3-app-grid\">\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\ud83c\udfd7\ufe0f<\/span>\r\n<h4>Structural Steel &amp; Infrastructure<\/h4>\r\n<p>Rust, mill scale, and old coating removal from bridges, storage tanks, offshore platforms, and steel fabrications prior to heavy-duty coating application. F24\u2013F46 BFA is the standard specification. See our <a href=\"https:\/\/hlh-js.com\/resource\/blog\/industrial-surface-prep-best-blasting-media-for-metal\/\" target=\"_blank\" rel=\"noopener\">industrial surface prep guide<\/a> for full detail.<\/p>\r\n<\/div>\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\u2708\ufe0f<\/span>\r\n<h4>Aerospace &amp; Defense<\/h4>\r\n<p>Surface preparation of titanium airframe components, nickel superalloy turbine parts, and aluminum structural elements. WFA (white grade, low iron) is mandatory to prevent iron contamination. Fine grits (F80\u2013F120) for thin-gauge parts.<\/p>\r\n<\/div>\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\ud83d\ude97<\/span>\r\n<h4>Automotive Restoration<\/h4>\r\n<p>Frame, subframe, and chassis preparation prior to epoxy primer. F36\u2013F60 BFA for heavy steel components. Medium grits for alloy wheels. For thin body panels, finer grit or alternative media is recommended \u2014 see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-for-automotive-restoration\/\" target=\"_blank\" rel=\"noopener\">automotive restoration guide<\/a>.<\/p>\r\n<\/div>\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\ud83d\udd29<\/span>\r\n<h4>Precision Machined Parts<\/h4>\r\n<p>Deburring of castings, forgings, and CNC-machined components. Pre-treatment before electroplating, anodizing, or powder coating. Fine-to-medium grit aluminum oxide produces consistent, measurable surface profiles that plating and coating adhesion depends on.<\/p>\r\n<\/div>\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\ud83d\udee2\ufe0f<\/span>\r\n<h4>Oil &amp; Gas Pipeline<\/h4>\r\n<p>Internal and external pipe surface preparation for FBE (fusion-bonded epoxy) and three-layer polyethylene coating systems. F36\u2013F54 is the common specification. Aluminum oxide&#8217;s consistent profile generation is critical for coating adhesion in high-pressure service.<\/p>\r\n<\/div>\r\n<div class=\"c3-app-card\"><span class=\"c3-app-icon\">\ud83e\uddeb<\/span>\r\n<h4>Medical &amp; Semiconductor<\/h4>\r\n<p>Ultra-fine WFA (F150\u2013F220) for surface preparation of orthopedic implants, dental components, and semiconductor substrates. Extremely tight size distribution and certified low iron content are mandatory. Standard BFA is not appropriate for these applications.<\/p>\r\n<\/div>\r\n<\/div>\r\n<!-- SECTION 5 -->\r\n<h2 id=\"c3-recyclability\">5. Recyclability and Cost Economics<\/h2>\r\n<p>Aluminum oxide&#8217;s recyclability is one of its most commercially significant properties and the primary reason it outperforms single-use abrasives like copper slag and coal slag on a cost-per-m\u00b2 basis in any recirculating blast system.<\/p>\r\n<div class=\"c3-recycle-box\">\r\n<div class=\"c3-recycle-stat\"><span class=\"c3-recycle-num\">100\u2013200\u00d7<\/span> <span class=\"c3-recycle-label\">Typical recycle cycles in cabinet blast systems<\/span><\/div>\r\n<div class=\"c3-recycle-divider\">\u00a0<\/div>\r\n<div class=\"c3-recycle-stat\"><span class=\"c3-recycle-num\">~5%<\/span> <span class=\"c3-recycle-label\">Media loss per cycle (dust &amp; sub-size fines removed by classifier)<\/span><\/div>\r\n<div class=\"c3-recycle-divider\">\u00a0<\/div>\r\n<div class=\"c3-recycle-stat\"><span class=\"c3-recycle-num\">50\u201370%<\/span> <span class=\"c3-recycle-label\">Typical cost-per-m\u00b2 reduction vs single-use copper or coal slag<\/span><\/div>\r\n<\/div>\r\n<p>In a recirculating blast cabinet or enclosed blast room with a properly tuned separator\/classifier, aluminum oxide particles fracture gradually over successive cycles, always exposing fresh sharp edges. The classifier continuously removes sub-size dust and fines, maintaining consistent particle size in the working mix. Media charge is &#8220;topped up&#8221; periodically with fresh abrasive rather than replaced entirely.<\/p>\r\n<p>The economic advantage compounds over a production year. A high-volume cabinet blasting operation running two shifts per day will process several thousand m\u00b2 annually. At typical consumption rates, the difference between specifying aluminum oxide versus a single-use alternative can represent tens of thousands of dollars in annual media and disposal cost savings. For a full cost model with price benchmarks and ROI calculation examples, 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>\r\n<!-- SECTION 6 -->\r\n<h2 id=\"c3-dos-donts\">6. When to Use Aluminum Oxide \u2014 and When Not To<\/h2>\r\n<div class=\"c3-dos-grid\">\r\n<div class=\"c3-do-card\">\r\n<h4>\u2713 Use aluminum oxide for:<\/h4>\r\n<ul>\r\n<li>Carbon steel, structural steel, and cast iron surface preparation<\/li>\r\n<li>Stainless steel and non-ferrous metals (use WFA grade)<\/li>\r\n<li>Titanium and nickel superalloy components (WFA, certified low iron)<\/li>\r\n<li>Ceramic, carbide, and technical substrate preparation<\/li>\r\n<li>Pre-electroplating, pre-anodizing, pre-thermal spray treatment<\/li>\r\n<li>Recirculating cabinet blast systems where high recyclability is needed<\/li>\r\n<li>Any application requiring a documented, consistent anchor profile<\/li>\r\n<li>Operations where silica-free compliance is required<\/li>\r\n<\/ul>\r\n<\/div>\r\n<div class=\"c3-dont-card\">\r\n<h4>\u2717 Do not use aluminum oxide for:<\/h4>\r\n<ul>\r\n<li>Carbon fiber reinforced polymer (CFRP) or fiberglass composites \u2014 use <a href=\"https:\/\/hlh-js.com\/resource\/blog\/plastic-blast-media-for-aerospace-automotive\/\" target=\"_blank\" rel=\"noopener\">plastic blast media<\/a><\/li>\r\n<li>Thin-gauge aluminum body panels where warping is a risk \u2014 use plastic media or glass bead at low pressure<\/li>\r\n<li>Applications requiring a smooth peened finish rather than an etched anchor profile \u2014 use <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">glass bead<\/a> or steel shot<\/li>\r\n<li>Extremely hard substrates like glass that require even faster cutting \u2014 <a href=\"https:\/\/hlh-js.com\/resource\/blog\/silicon-carbide-blast-media-hardest-abrasive-explained\/\" target=\"_blank\" rel=\"noopener\">\u78b3\u5316\u7845<\/a> will outperform<\/li>\r\n<li>Open outdoor blasting where low dust is the primary requirement \u2014 <a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-blasting-media-eco-friendly-high-performance\/\" target=\"_blank\" rel=\"noopener\">\u77f3\u69b4\u77f3<\/a> produces significantly less airborne dust<\/li>\r\n<li>Wheel blast (centrifugal) equipment \u2014 designed for metallic abrasives only, mineral media causes rapid blade wear<\/li>\r\n<\/ul>\r\n<\/div>\r\n<\/div>\r\n<!-- SECTION 7 -->\r\n<h2 id=\"c3-sourcing\">7. Sourcing and Quality Standards<\/h2>\r\n<p>Aluminum oxide blast media is a commodity in global trade, but quality varies significantly between suppliers. Inconsistent grit sizing, elevated iron content, excessive fines, or undisclosed silica contamination all translate directly into variable surface profiles, equipment wear, or compliance problems on the production floor. Apply the following standards when evaluating suppliers.<\/p>\r\n<h3>Key Standards to Reference<\/h3>\r\n<ul>\r\n<li><strong>FEPA Standard 42-1984<\/strong> \u2014 particle size distribution for F-grade abrasives (the global reference for grit sizing)<\/li>\r\n<li><strong>ISO 11127-1 through 11127-7<\/strong> \u2014 non-metallic blasting abrasive specifications and test methods<\/li>\r\n<li><strong>ANSI B74.12<\/strong> \u2014 North American equivalent for abrasive grain sizing<\/li>\r\n<li><strong>GB\/T 2478<\/strong> \u2014 Chinese national standard for fused aluminum oxide abrasives (relevant for China-sourced product)<\/li>\r\n<\/ul>\r\n<h3>What to Request from Your Supplier<\/h3>\r\n<ul>\r\n<li><strong>Material Test Report (MTR)<\/strong> for each shipment: confirming Al\u2082O\u2083 content, Fe\u2082O\u2083 content, TiO\u2082 content, and free silica percentage<\/li>\r\n<li><strong>Sieve analysis certificate<\/strong>: confirming particle size distribution conforms to the specified FEPA or ANSI grade with actual percentage retained on each sieve<\/li>\r\n<li><strong>SDS\/MSDS<\/strong>: Safety Data Sheet for the specific product grade, confirming absence of regulated hazardous components at threshold concentrations<\/li>\r\n<li><strong>Moisture content<\/strong>: important for sea freight shipments \u2014 clumped or moisture-contaminated aluminum oxide causes feed problems in blast pots and cabinets<\/li>\r\n<\/ul>\r\n<div class=\"c3-info\">Jiangsu Henglihong Technology supplies brown and white fused aluminum oxide in FEPA F-grade and custom size ranges, with full batch MTR documentation, sieve analysis certificates, and SDS on request. Standard packaging is 25 kg multi-ply paper bags or 1,000 kg big bags for sea freight. Custom packaging and grit blends are available for high-volume buyers.<\/div>\r\n<p>For a head-to-head comparison of aluminum oxide against garnet, glass bead, steel grit, and other major abrasives across all key parameters, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-comparison-blasting-media-chart\/\" target=\"_blank\" rel=\"noopener\">Blasting Media Comparison Chart<\/a>. For guidance on matching aluminum oxide to your specific substrate and coating system, refer to the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">complete blasting media selection guide<\/a>.<\/p>\r\n<!-- SECTION 8 \u2014 FAQ -->\r\n<h2 id=\"c3-faq\">8. Frequently Asked Questions<\/h2>\r\n<div class=\"c3-faq\">\r\n<div class=\"c3-faq-item\"><button class=\"c3-faq-q\" aria-expanded=\"false\"> What is aluminum oxide blast media used for? <i class=\"c3-faq-icon\">+<\/i> <\/button>\r\n<div class=\"c3-faq-a\">\r\n<div>Aluminum oxide blast media is used for surface preparation of carbon steel, stainless steel, titanium, nickel alloys, ceramics, and composites. Primary industrial applications include rust and mill scale removal from structural steel prior to coating, anchor profile creation for epoxy, polyurethane, and zinc-rich primer systems, deburring of castings and precision machined parts, pre-treatment before electroplating and anodizing, and surface finishing of aerospace components. It is also used in recirculating blast cabinets for high-volume production line deburring and finishing.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"c3-faq-item\"><button class=\"c3-faq-q\" aria-expanded=\"false\"> What grit size of aluminum oxide should I use for blasting? <i class=\"c3-faq-icon\">+<\/i> <\/button>\r\n<div class=\"c3-faq-a\">\r\n<div>The correct grit depends on the surface profile required by your coating system. F24\u2013F36 for heavy structural steel prep needing 65\u2013100 \u00b5m profiles. F46\u2013F60 for standard industrial work targeting 40\u201370 \u00b5m profiles suitable for most epoxy and polyurethane primer systems. F80\u2013F120 for stainless steel, aluminum, pre-plating, or thin-film coatings requiring 18\u201350 \u00b5m profiles. F150\u2013F220 for precision finishing, medical components, and decorative metalwork. Always cross-reference your grit selection against the minimum and maximum surface profile specified in your coating manufacturer&#8217;s Product Data Sheet before ordering.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"c3-faq-item\"><button class=\"c3-faq-q\" aria-expanded=\"false\"> What is the difference between brown and white aluminum oxide for blasting? <i class=\"c3-faq-icon\">+<\/i> <\/button>\r\n<div class=\"c3-faq-a\">\r\n<div>Brown fused alumina (BFA) contains 95\u201397% Al\u2082O\u2083 and is the cost-effective standard for carbon steel and general industrial blasting. White fused alumina (WFA) is purer (99%+), contains significantly less iron oxide (Fe\u2082O\u2083 &lt;0.05%), and is required for stainless steel, titanium, nickel superalloys, and precision applications where iron contamination at the surface would cause corrosion or coating adhesion failure. WFA typically costs 20\u201340% more than BFA but is the only appropriate specification when iron-free surface chemistry is essential.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"c3-faq-item\"><button class=\"c3-faq-q\" aria-expanded=\"false\"> How many times can aluminum oxide be reused? <i class=\"c3-faq-icon\">+<\/i> <\/button>\r\n<div class=\"c3-faq-a\">\r\n<div>In a well-maintained recirculating blast cabinet with a properly tuned classifier and separator, aluminum oxide typically achieves 100\u2013200 reuse cycles before the particle size falls below the useful threshold. Each cycle fractures particles slightly, generating fines that are continuously removed by the classifier \u2014 maintaining a consistent working particle size. Actual cycle life depends on blast pressure (higher pressure accelerates fracture), nozzle condition, media hardness grade, and the hardness of the substrate being blasted. Compared to single-use media like copper slag, this recyclability makes aluminum oxide dramatically more economical per m\u00b2 in any recirculating system.<\/div>\r\n<\/div>\r\n<\/div>\r\n<div class=\"c3-faq-item\"><button class=\"c3-faq-q\" aria-expanded=\"false\"> Is aluminum oxide blast media safe? <i class=\"c3-faq-icon\">+<\/i> <\/button>\r\n<div class=\"c3-faq-a\">\r\n<div>Aluminum oxide is one of the safest mineral blasting abrasives available. It contains no free crystalline silica, is chemically inert, non-toxic, and is not classified as a carcinogen. This makes it fully compliant with OSHA&#8217;s Respirable Crystalline Silica Standard, EU Directive 2017\/2398, and equivalent regulations in Australia, Canada, and the UK. Standard blasting PPE is still required \u2014 supplied-air respirator, blast-rated protective clothing, hearing protection \u2014 but aluminum oxide does not carry the catastrophic long-term lung disease risk associated with silica sand exposure. For full PPE requirements and regulatory detail, see the <a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media-safety-guide-silica-risks-ppe\/\" target=\"_blank\" rel=\"noopener\">blasting media safety guide<\/a>.<\/div>\r\n<\/div>\r\n<\/div>\r\n<\/div>\r\n<!-- RELATED RESOURCES -->\r\n<h2 style=\"margin-top: 44px;\">Related Resources<\/h2>\r\n<p>Explore the rest of our blasting media resource library for further guidance on selection, comparison, and application-specific recommendations:<\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/blasting-media\/\" target=\"_blank\" rel=\"noopener\">Blasting Media: Complete Industry Guide<\/a> \u2014 full overview of all media types and applications<\/li>\r\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 how aluminum oxide compares to all other abrasive types<\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-the-right-blasting-media\/\" target=\"_blank\" rel=\"noopener\">How to Choose the Right Blasting Media<\/a> \u2014 step-by-step selection framework and substrate matrix<\/li>\r\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 data for all major abrasives<\/li>\r\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 cost-per-m\u00b2 modeling and price benchmarks<\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/garnet-blasting-media-eco-friendly-high-performance\/\" target=\"_blank\" rel=\"noopener\">Garnet Blasting Media<\/a> \u2014 eco-friendly alternative with lower dust generation<\/li>\r\n<li><a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-bead-blasting-media-finish-applications\/\" target=\"_blank\" rel=\"noopener\">Glass Bead Blasting Media<\/a> \u2014 for smooth, peened finishes on stainless and aluminum<\/li>\r\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<\/a> \u2014 for glass, ceramics, and the hardest substrates<\/li>\r\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<\/a> \u2014 metallic abrasive options for high-volume production<\/li>\r\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, PPE requirements, silica risk management<\/li>\r\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<\/a> \u2014 low-dust and silica-free options for regulated environments<\/li>\r\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>\r\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>\r\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>\r\n<\/ul>\r\n<!-- CTA -->\r\n<div class=\"c3-cta\">\r\n<h2>Source Aluminum Oxide Blast Media from a Trusted Manufacturer<\/h2>\r\n<p>Jiangsu Henglihong Technology supplies brown and white fused aluminum oxide in FEPA F-grades, with full MTR documentation, sieve analysis certification, and reliable sea freight logistics to North America, Europe, and beyond.<\/p>\r\n<a class=\"c3-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quote or Technical Sample<\/a><\/div>\r\n<\/article>\r\n<!-- ===== FAQ ACCORDION SCRIPT ===== -->\r\n<p><script>\r\n(function() {\r\n  function c3ToggleFaq(btn) {\r\n    var item = btn.parentElement;\r\n    var isOpen = item.classList.contains('open');\r\n    document.querySelectorAll('.c3-faq-item').forEach(function(el) {\r\n      el.classList.remove('open');\r\n      var b = el.querySelector('.c3-faq-q');\r\n      if (b) b.setAttribute('aria-expanded', 'false');\r\n    });\r\n    if (!isOpen) {\r\n      item.classList.add('open');\r\n      btn.setAttribute('aria-expanded', 'true');\r\n    }\r\n  }\r\n  window.c3ToggleFaq = c3ToggleFaq;\r\n})();\r\n<\/script><\/p>\r\n<!-- ===== ON-PAGE SEO NOTES (remove before publishing) =====\r\nMETA TITLE (\u226460 chars):\r\n  Aluminum Oxide Blast Media: Grit Guide & Uses 2026 | HLH\r\n\r\nMETA DESCRIPTION (\u2264155 chars):\r\n  Complete guide to aluminum oxide blast media \u2014 brown vs white fused alumina, grit sizes, surface profile data, recyclability, applications & sourcing tips from HLH.\r\n\r\nPRIMARY KEYWORD: aluminum oxide blast media\r\nSECONDARY: aluminium oxide blasting, aluminum oxide blasting grit, brown fused alumina blasting, white fused alumina blasting, aluminum oxide abrasive grit sizes\r\n\r\nFEATURED SNIPPET OPPORTUNITIES:\r\n  - \"What is aluminum oxide blast media used for?\" \u2192 FAQ item 1 targets PAA\r\n  - \"Brown vs white aluminum oxide\" \u2192 Section 2 + comparison cards target Featured Snippet\r\n  - Grit size table \u2192 targets table snippet for \"aluminum oxide blast media grit sizes\"\r\n\r\nSCHEMA: Article + FAQPage (5 questions) in JSON-LD at top.\r\n\r\nINTERNAL LINKS:\r\n  \u2192 Pillar (blasting-media\/) \u00d72\r\n  \u2192 types-of-blasting-media \u00d71\r\n  \u2192 how-to-choose \u00d72\r\n  \u2192 glass-bead \u00d72\r\n  \u2192 garnet \u00d72\r\n  \u2192 steel-grit-vs-shot \u00d71\r\n  \u2192 plastic-media \u00d72\r\n  \u2192 silicon-carbide \u00d72\r\n  \u2192 automotive \u00d72\r\n  \u2192 industrial-metal \u00d72\r\n  \u2192 eco-friendly \u00d71\r\n  \u2192 cost-guide \u00d72\r\n  \u2192 comparison-chart \u00d72\r\n  \u2192 safety \u00d72\r\n\r\nJS namespace: c3ToggleFaq \u2014 isolated from all other pages.\r\nAll dates: March 2026.\r\n===== END SEO NOTES ===== -->","protected":false},"excerpt":{"rendered":"<p>In-Depth Product Guide \u00b7 March 2026 Aluminum Oxide Blast Media:  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":12835,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,175,138],"tags":[],"class_list":["post-12796","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-industry","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/posts\/12796","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/comments?post=12796"}],"version-history":[{"count":3,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/posts\/12796\/revisions"}],"predecessor-version":[{"id":12847,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/posts\/12796\/revisions\/12847"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/media\/12835"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/media?parent=12796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/categories?post=12796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/zh\/wp-json\/wp\/v2\/tags?post=12796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}