{"id":13091,"date":"2026-05-11T02:44:48","date_gmt":"2026-05-11T02:44:48","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13091"},"modified":"2026-05-11T02:44:51","modified_gmt":"2026-05-11T02:44:51","slug":"concrete-masonry-blasting-media-surface-prep-before-epoxy-or-coating","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/ru\/resource\/\u0431\u043b\u043e\u0433\/concrete-masonry-blasting-media-surface-prep-before-epoxy-or-coating\/","title":{"rendered":"Concrete &amp; Masonry Blasting Media: Surface Prep Before Epoxy or Coating"},"content":{"rendered":"<style>\n.hlh-d4*{box-sizing:border-box;margin:0;padding:0}\n.hlh-d4{font-family:'Segoe UI',Arial,sans-serif;font-size:16px;line-height:1.75;color:#2D2D2D;max-width:900px;margin:0 auto;padding:0 16px}\n.hlh-d4-hero{background:linear-gradient(135deg,#1B4F8A 0%,#0d3260 100%);color:#fff;border-radius:10px;padding:48px 40px 44px;margin-bottom:36px;position:relative;overflow:hidden}\n.hlh-d4-hero::before{content:'';position:absolute;right:-50px;top:-50px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.06)}\n.hlh-d4-hero-label{display:inline-block;background:rgba(255,255,255,.18);color:#d6e8ff;font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;padding:4px 12px;border-radius:20px;margin-bottom:16px}\n.hlh-d4-hero h1{font-size:clamp(24px,3.5vw,34px);font-weight:700;line-height:1.28;margin-bottom:14px;color:#fff}\n.hlh-d4-hero-meta{font-size:13px;color:#a8c8f0;display:flex;flex-wrap:wrap;gap:16px}\n.hlh-d4-toc{background:#f0f5fb;border-left:4px solid #1B4F8A;border-radius:0 8px 8px 0;padding:22px 26px;margin-bottom:36px}\n.hlh-d4-toc-title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:#1B4F8A;margin-bottom:12px}\n.hlh-d4-toc ol{padding-left:18px}\n.hlh-d4-toc li{margin-bottom:5px}\n.hlh-d4-toc a{color:#1B4F8A;text-decoration:none;font-size:14px;font-weight:500}\n.hlh-d4-toc a:hover{text-decoration:underline}\n.hlh-d4 h2{font-size:clamp(19px,2.8vw,25px);font-weight:700;color:#1B4F8A;margin:48px 0 14px;padding-bottom:9px;border-bottom:2px solid #d6e8ff}\n.hlh-d4 h3{font-size:17px;font-weight:700;color:#2D2D2D;margin:28px 0 10px}\n.hlh-d4 p{margin-bottom:14px}\n.hlh-d4 a{color:#1B4F8A;text-decoration:underline;text-underline-offset:3px}\n.hlh-d4 a:hover{color:#0d3260}\n.hlh-d4 strong{font-weight:700;color:#1a1a1a}\n.hlh-d4 ul,.hlh-d4 ol{padding-left:22px;margin-bottom:14px}\n.hlh-d4 li{margin-bottom:6px}\n.hlh-d4-callout{background:#f0f5fb;border-left:4px solid #1B4F8A;border-radius:0 8px 8px 0;padding:16px 20px;margin:22px 0;font-size:15px}\n.hlh-d4-callout-warn{background:#fff8f0;border-left-color:#e07b00}\n.hlh-d4-callout strong{display:block;margin-bottom:3px;font-size:12px;text-transform:uppercase;letter-spacing:.06em}\n.hlh-d4-table-wrap{overflow-x:auto;margin:20px 0}\n.hlh-d4-table{width:100%;border-collapse:collapse;font-size:14px}\n.hlh-d4-table thead tr{background:#1B4F8A;color:#fff}\n.hlh-d4-table thead th{padding:10px 13px;text-align:left;font-weight:600}\n.hlh-d4-table tbody tr:nth-child(odd){background:#f7fafd}\n.hlh-d4-table tbody tr:nth-child(even){background:#fff}\n.hlh-d4-table tbody td{padding:9px 13px;border-bottom:1px solid #dde8f2;vertical-align:top}\n.hlh-d4-table tbody tr:hover{background:#eaf1f9}\n.hlh-d4-faq-item{border:1px solid #d6e0ec;border-radius:8px;margin-bottom:10px;overflow:hidden}\n.hlh-d4-faq-q{background:#f0f5fb;padding:13px 17px;font-weight:700;font-size:15px;color:#1B4F8A}\n.hlh-d4-faq-a{padding:13px 17px;font-size:14.5px;line-height:1.7;border-top:1px solid #d6e0ec;background:#fff}\n.hlh-d4-cta{background:linear-gradient(135deg,#1B4F8A 0%,#0d3260 100%);color:#fff;border-radius:10px;padding:44px 36px;margin-top:52px;text-align:center}\n.hlh-d4-cta h2{color:#fff;border:none;font-size:clamp(18px,2.8vw,25px);margin:0 0 12px}\n.hlh-d4-cta p{color:#c8dff5;font-size:14px;max-width:520px;margin:0 auto 24px}\n.hlh-d4-cta-btn{display:inline-block;background:#fff;color:#1B4F8A;font-size:15px;font-weight:700;padding:13px 32px;border-radius:6px;text-decoration:none}\n.hlh-d4-cta-btn:hover{background:#e8f0fa}\n.hlh-d4-breadcrumb{font-size:13px;color:#666;margin-bottom:20px}\n.hlh-d4-breadcrumb a{color:#1B4F8A;text-decoration:none}\n.hlh-d4-breadcrumb a:hover{text-decoration:underline}\n@media(max-width:600px){.hlh-d4-hero{padding:32px 20px 28px}.hlh-d4-cta{padding:32px 20px}}\n<\/style>\n\n<article class=\"hlh-d4\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n<div class=\"hlh-d4-breadcrumb\"><a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\/\" target=\"_blank\" rel=\"noopener\">\u2190 Back to: Sandblasting Media Suppliers Complete Guide<\/a><\/div>\n\n<header class=\"hlh-d4-hero\">\n  <span class=\"hlh-d4-hero-label\">Application Guide \u00b7 May 2026<\/span>\n  <h1 itemprop=\"headline\">Concrete &amp; Masonry Blasting Media: Surface Prep Before Epoxy or Coating<\/h1>\n  <div class=\"hlh-d4-hero-meta\"><span>Updated: May 2026<\/span><span>~2,200 words \u00b7 8-min read<\/span><span>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Jiangsu Henglihong Technology Co., Ltd.<\/span><\/div>\n<\/header>\n\n<nav class=\"hlh-d4-toc\" aria-label=\"Table of Contents\">\n  <div class=\"hlh-d4-toc-title\">Table of Contents<\/div>\n  <ol>\n    <li><a href=\"#d4-why\">Why Concrete Surface Prep Matters<\/a><\/li>\n    <li><a href=\"#d4-standards\">Concrete Surface Profile (CSP) Standards<\/a><\/li>\n    <li><a href=\"#d4-media\">Best Blast Media for Concrete<\/a><\/li>\n    <li><a href=\"#d4-methods\">Blasting Methods for Concrete<\/a><\/li>\n    <li><a href=\"#d4-epoxy\">Concrete Prep for Epoxy Floor Coatings<\/a><\/li>\n    <li><a href=\"#d4-masonry\">Masonry &amp; Historic Stone Cleaning<\/a><\/li>\n    <li><a href=\"#d4-faq\">\u0427\u0410\u0421\u0422\u041e \u0417\u0410\u0414\u0410\u0412\u0410\u0415\u041c\u042b\u0415 \u0412\u041e\u041f\u0420\u041e\u0421\u042b<\/a><\/li>\n  <\/ol>\n<\/nav>\n\n<section itemprop=\"articleBody\">\n\n<p>Concrete and masonry surface preparation by abrasive blasting serves two distinct purposes: <strong>profile creation<\/strong> (opening the surface to create mechanical adhesion for coatings) and <strong>cleaning<\/strong> (removing contaminants, laitance, curing compounds, paint, or biological growth). The media and method vary significantly between these two objectives, and between different concrete types, strengths, and finish conditions.<\/p>\n\n<p>This guide is part of the complete <a href=\"https:\/\/hlh-js.com\/resource\/blog\/sandblasting-media-suppliers-the-industrial-buyers-complete-guide\/\" target=\"_blank\" rel=\"noopener\">Sandblasting Media Suppliers: Industrial Buyer&#8217;s Complete Guide<\/a> from Jiangsu Henglihong Technology Co., Ltd. For general media selection logic, see also: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/how-to-choose-sandblasting-media-a-step-by-step-selection-guide\/\" target=\"_blank\" rel=\"noopener\">How to Choose Sandblasting Media: Step-by-Step<\/a>.<\/p>\n\n<h2 id=\"d4-why\">1. Why Concrete Surface Prep Matters<\/h2>\n\n<p>Concrete is a porous, heterogeneous material with varying surface hardness depending on mix design, curing conditions, and surface treatment. The topmost layer of most cast concrete \u2014 the <strong>laitance<\/strong> \u2014 is a weak, calcium-rich layer formed by bleed water rising during curing. Laitance has very low tensile strength and must be completely removed before any coating system is applied, or the coating will delaminate within the laitance layer regardless of how strong the coating itself is.<\/p>\n\n<p>Below the laitance is sound concrete. The goal of concrete surface preparation is to remove all weak surface material, open the capillary pore structure to allow coating penetration and mechanical bonding, and produce a reproducible surface profile that the coating manufacturer specifies for their product. Skipping or shortcutting this step is the leading cause of industrial floor coating failure globally.<\/p>\n\n<h2 id=\"d4-standards\">2. Concrete Surface Profile (CSP) Standards<\/h2>\n\n<p>The International Concrete Repair Institute (ICRI) defines nine Concrete Surface Profile levels (CSP 1 through CSP 9) from very smooth to very rough. Reference chips for each CSP level allow visual comparison in the field. Coating manufacturers specify a minimum CSP level for their products:<\/p>\n\n<div class=\"hlh-d4-table-wrap\">\n<table class=\"hlh-d4-table\">\n  <thead><tr><th>ICRI CSP Level<\/th><th>Profile Depth (approx.)<\/th><th>Typical Method<\/th><th>Coating Suitability<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>CSP 1\u20132<\/td><td>0\u20130.5 mm<\/td><td>Acid etching, light grinding<\/td><td>Penetrating sealers, thin-film coatings (&lt;250 \u00b5m)<\/td><\/tr>\n    <tr><td>CSP 3\u20134<\/td><td>0.5\u20131.5 mm<\/td><td>Abrasive blasting, shot blasting<\/td><td>Standard epoxy floor coatings, self-leveling systems<\/td><\/tr>\n    <tr><td>CSP 5\u20136<\/td><td>1.5\u20133.5 mm<\/td><td>Heavy abrasive blasting, scarifying<\/td><td>High-build epoxy (&gt;3 mm), polyurethane mortar, broadcast systems<\/td><\/tr>\n    <tr><td>CSP 7\u20139<\/td><td>3.5\u20136.5 mm<\/td><td>Scarifying, milling, bush hammering<\/td><td>Cementitious overlays, structural repairs<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<h2 id=\"d4-media\">3. Best Blast Media for Concrete<\/h2>\n\n<div class=\"hlh-d4-table-wrap\">\n<table class=\"hlh-d4-table\">\n  <thead><tr><th>\u0422\u0438\u043f \u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044f<\/th><th>CSP Achievable<\/th><th>Best Application<\/th><th>Key Consideration<\/th><\/tr><\/thead>\n  <tbody>\n    <tr><td>Steel shot S230\u2013S330<\/td><td>CSP 3\u20135<\/td><td>Industrial floor prep, shot blast machines<\/td><td>Requires specialized shot blast machine \u2014 not pressure pot blasting<\/td><\/tr>\n    <tr><td>Steel grit G25\u2013G40<\/td><td>CSP 4\u20136<\/td><td>Aggressive coating removal, high-build prep<\/td><td>More aggressive than shot; harder to control uniformity on concrete<\/td><\/tr>\n    <tr><td>Aluminum oxide BFA #36\u2013#60<\/td><td>CSP 3\u20135<\/td><td>Precision profiling, decorative concrete prep<\/td><td>High cost; best where profile consistency is critical<\/td><\/tr>\n    <tr><td>Crushed glass 20\/40<\/td><td>CSP 3\u20134<\/td><td>General concrete cleaning and profiling<\/td><td>Environmentally favorable; low heavy metals<\/td><\/tr>\n    <tr><td>Garnet 20\/40\u201330\/60<\/td><td>CSP 3\u20134<\/td><td>Low-dust concrete prep in occupied buildings<\/td><td>Low dust generation \u2014 preferred for indoor environments<\/td><\/tr>\n    <tr><td>Coal\/copper slag medium<\/td><td>CSP 3\u20135<\/td><td>Outdoor concrete profiling (once-through)<\/td><td>High dust; disposal concerns; competitive unit cost<\/td><\/tr>\n  <\/tbody>\n<\/table>\n<\/div>\n\n<p>For a full comparison of these media types \u2014 including cost-per-cycle analysis and safety data \u2014 see our dedicated pages on <a href=\"https:\/\/hlh-js.com\/resource\/blog\/glass-beads-crushed-glass-blasting-media-supplier-guide-mesh-chart\/\" target=\"_blank\" rel=\"noopener\">crushed glass blast media<\/a> \u0438 <a href=\"https:\/\/hlh-js.com\/resource\/blog\/coal-slag-copper-slag-abrasive-suppliers-cost-safety-applications\/\" target=\"_blank\" rel=\"noopener\">slag abrasive suppliers<\/a>.<\/p>\n\n<h2 id=\"d4-methods\">4. Blasting Methods for Concrete<\/h2>\n\n<h3>Shot Blast Machines (Self-Contained, Walk-Behind)<\/h3>\n<p>Walk-behind shot blast machines are the dominant method for large concrete floor areas \u2014 warehouses, parking structures, manufacturing plants. They use steel shot in a contained, self-recovering centrifugal wheel system, simultaneously profiling the concrete and recovering spent media and dust in an integrated vacuum system. Output is CSP 3\u20135 depending on shot size and machine passes. These machines do not use an open blast pot \u2014 the media is fully contained and recycled within the machine.<\/p>\n\n<h3>Pressure Blast Equipment (Pot Blasting)<\/h3>\n<p>For vertical surfaces (walls, columns, bridge abutments), irregular shapes, or areas inaccessible to machine blasting, pressure blast equipment with garnet, aluminum oxide, or crushed glass is the standard approach. This method generates significant airborne dust and requires engineering controls, respiratory protection, and containment. It is more versatile than machine blasting but considerably slower per unit area.<\/p>\n\n<h3>Wet Abrasive Blasting<\/h3>\n<p>Wet blasting \u2014 introducing water into the abrasive stream \u2014 dramatically reduces airborne dust, making it attractive for interior work and environmentally sensitive sites. Steel shot, garnet, and crushed glass all work in wet blast systems. The trade-offs are increased setup complexity, longer drying time before coating, and management of contaminated water and slurry.<\/p>\n\n<h2 id=\"d4-epoxy\">5. Concrete Prep for Epoxy Floor Coatings<\/h2>\n\n<p>Standard commercial epoxy floor coating systems (100% solids, 2\u20134 mm total thickness) typically specify CSP 3\u20135 and concrete compressive strength \u226525 MPa as minimum surface requirements. The most economical approach for large floor areas is a walk-behind shot blast machine using S230\u2013S330 steel shot:<\/p>\n\n<ul>\n  <li><strong>First pass:<\/strong> achieves laitance removal and CSP 2\u20133<\/li>\n  <li><strong>Second pass (slower speed):<\/strong> achieves CSP 3\u20134 with consistent profile across the slab<\/li>\n  <li><strong>Edge preparation:<\/strong> pressure blast with crushed glass or garnet to within 50 mm of walls and columns where the machine cannot reach<\/li>\n  <li><strong>Post-blast:<\/strong> vacuum thoroughly, air-blow, and test for soluble salt contamination (ISO 8502-9 Bresle method) before priming<\/li>\n<\/ul>\n\n<p>For high-build polyurethane mortar or broadcast quartz systems requiring CSP 5\u20136, two or three slow machine passes with S280\u2013S330 shot are required, or a single pass with G25 steel grit in a machine configured for grit operation. Always check the coating data sheet \u2014 not generic CSP charts \u2014 for the manufacturer&#8217;s specific surface profile requirement.<\/p>\n\n<p>For the full framework on matching abrasive to coating specification, see: <a href=\"https:\/\/hlh-js.com\/resource\/blog\/surface-profile-sa-rating-guide-matching-blast-media-to-coating-specs\/\" target=\"_blank\" rel=\"noopener\">Surface Profile &amp; Sa Rating Guide: Matching Blast Media to Coating Specs<\/a>.<\/p>\n\n<h2 id=\"d4-masonry\">6. Masonry &amp; Historic Stone Cleaning<\/h2>\n\n<p>Cleaning brick, stone, terracotta, and historic masonry presents a distinct challenge: the substrate is hard but also brittle, with mortar joints that may be significantly softer than the masonry units themselves. Aggressive abrasive blasting can etch stone surfaces, damage masonry faces, erode historic pointing, and deposit iron contamination (from metallic abrasives) that causes subsequent rust staining on light-colored stonework.<\/p>\n\n<p>Preferred approaches for historic masonry cleaning by application:<\/p>\n\n<ul>\n  <li><strong>General brick and hard stone:<\/strong> Crushed glass (70\/140 fine grade) at very low blast pressure (10\u201330 psi) \u2014 non-contaminating, gentle profile, no heavy metals<\/li>\n  <li><strong>Most delicate historic surfaces (soft limestone, sandstone):<\/strong> Walnut shell grit (20\/40 mesh) \u2014 removes biological growth and atmospheric soiling without etching the stone face; biodegradable waste<\/li>\n  <li><strong>Moderately soiled masonry requiring slightly more cutting action:<\/strong> Garnet (80 mesh) at low pressure \u2014 clean chemistry, controlled aggression<\/li>\n  <li><strong>Terracotta glazed units:<\/strong> Do not blast \u2014 the glaze is irreplaceable and cannot withstand any abrasive impact. Use chemical cleaning methods only.<\/li>\n<\/ul>\n\n<div class=\"hlh-d4-callout hlh-d4-callout-warn\">\n  <strong>\u26a0 Consult a conservator before blasting historic masonry<\/strong>\n  Many historic building materials \u2014 soft limestone, terracotta-glazed units, historic lime renders and finishes \u2014 are irreversibly damaged by even low-pressure abrasive blasting. The surface loss may be invisible at first but becomes apparent over time as moisture penetrates and accelerates deterioration. Always conduct a test panel on an inconspicuous area and consult a qualified building conservation professional before committing to any blasting approach on historic fabric.\n<\/div>\n\n<h2 id=\"d4-faq\">7. Frequently Asked Questions<\/h2>\n\n<div class=\"hlh-d4-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n  <div class=\"hlh-d4-faq-q\" itemprop=\"name\">Can I blast new concrete immediately after pouring?<\/div>\n  <div class=\"hlh-d4-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\">No. New concrete must reach adequate compressive strength before abrasive blasting \u2014 typically a minimum of 28 days of curing, and in practice most coating manufacturers require the concrete to be at least 28 days old and have achieved \u226525 MPa (3,600 psi) compressive strength. Blasting green concrete causes aggregate pull-out, surface fracturing, and profile inconsistency. Moisture content must also be below the coating manufacturer&#8217;s limit (typically &lt;4% by weight or &lt;75% relative humidity measured by in-situ hygrometer) before any coating is applied. Always test moisture content with a calibrated instrument \u2014 visual assessment of dryness is unreliable.<\/div><\/div>\n<\/div>\n\n<div class=\"hlh-d4-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n  <div class=\"hlh-d4-faq-q\" itemprop=\"name\">What CSP level do I need for a standard epoxy floor coating?<\/div>\n  <div class=\"hlh-d4-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\">For standard 100% solids epoxy floor systems at 1.5\u20133 mm total film build, ICRI CSP 3\u20134 is the typical specification. For self-leveling epoxy at 1\u20132 mm total thickness, CSP 2\u20133 may be sufficient. For high-build polyurethane mortar or broadcast quartz overlay systems at 4\u20136 mm, CSP 5\u20136 is required. Always check the coating manufacturer&#8217;s specific product data sheet for their CSP requirement \u2014 not generic industry guidance \u2014 as formulations vary significantly in their anchor profile requirements.<\/div><\/div>\n<\/div>\n\n<div class=\"hlh-d4-faq-item\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n  <div class=\"hlh-d4-faq-q\" itemprop=\"name\">Is steel shot or steel grit better for concrete floor preparation?<\/div>\n  <div class=\"hlh-d4-faq-a\" itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\"><div itemprop=\"text\">Steel shot is the preferred choice for concrete floor preparation in walk-behind shot blast machines. Its spherical shape produces a dimpled, pocked surface profile (CSP 3\u20135) that provides good mechanical anchor for coating systems without the excessive aggregate fracture or uneven profile that angular grit can produce on concrete. Steel grit is used when a more aggressive, angular profile is required (CSP 5\u20136) for very high-build coating systems, but it can cause aggregate pull-out and surface cracking if blast pressure is not carefully controlled on lower-strength concrete.<\/div><\/div>\n<\/div>\n\n<\/section>\n\n<div class=\"hlh-d4-cta\">\n  <h2>Get Concrete Surface Prep Media Recommendations<\/h2>\n  <p>Tell us your concrete type, CSP target, floor area, and required coating system. The technical team at Jiangsu Henglihong Technology Co., Ltd. will recommend the right media and provide competitive pricing.<\/p>\n  <a class=\"hlh-d4-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Contact Us \u2192<\/a>\n<\/div>\n\n<script type=\"application\/ld+json\">{\n    \"@context\": \"https:\\\/\\\/schema.org\",\n    \"@type\": \"Article\",\n    \"headline\": \"Concrete & Masonry Blasting Media: Surface Prep Before Epoxy or Coating\",\n    \"datePublished\": \"2026-05-01\",\n    \"dateModified\": \"2026-05-01\",\n    \"author\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"publisher\": {\n        \"@type\": \"Organization\",\n        \"name\": \"Jiangsu Henglihong Technology Co., Ltd.\",\n        \"url\": \"https:\\\/\\\/hlh-js.com\"\n    },\n    \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\\\/\\\/hlh-js.com\\\/resource\\\/blog\\\/concrete-masonry-blasting-media-surface-prep-before-epoxy-or-coating\\\/\"\n    }\n}<\/script>\n<\/article>","protected":false},"excerpt":{"rendered":"<p>\u2190 Back to: Sandblasting Media Suppliers Complete Guide Application Guide  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13093,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/comments?post=13091"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13091\/revisions"}],"predecessor-version":[{"id":13094,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/posts\/13091\/revisions\/13094"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/media\/13093"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/media?parent=13091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/categories?post=13091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/ru\/wp-json\/wp\/v2\/tags?post=13091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}