{"id":13423,"date":"2026-06-15T05:04:48","date_gmt":"2026-06-15T05:04:48","guid":{"rendered":"https:\/\/hlh-js.com\/?p=13423"},"modified":"2026-06-15T05:04:48","modified_gmt":"2026-06-15T05:04:48","slug":"how-to-buy-silicon-carbide-blasting-media-from-china-moq-specs-supplier-checklist","status":"publish","type":"post","link":"https:\/\/hlh-js.com\/fr\/resource\/blog\/how-to-buy-silicon-carbide-blasting-media-from-china-moq-specs-supplier-checklist\/","title":{"rendered":"How to Buy Silicon Carbide Blasting Media from China:\u00a0MOQ, Specs &amp; Supplier Checklist"},"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  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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\">Procurement Guide \u00b7 Jiangsu Henglihong Technology Co., Ltd.<\/div>\n  <h1>How to Buy Silicon Carbide Blasting Media from China: <em>MOQ, Specs &amp; Supplier Checklist<\/em><\/h1>\n  <p class=\"hlh-hero-sub\">A complete buyer&#8217;s framework for international procurement of SiC abrasive blasting media from Chinese manufacturers \u2014 quality specifications, supplier evaluation, MOQ structures, packaging options, logistics timelines, and red flags to avoid.<\/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>~12 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-china\">Why Source from China?<\/a><\/li>\n      <li><a href=\"#key-specs\">Key Specifications Checklist<\/a><\/li>\n      <li><a href=\"#purity-table\">Purity Standards Table<\/a><\/li>\n      <li><a href=\"#grit-standard\">Specifying Grit Standard<\/a><\/li>\n      <li><a href=\"#moq\">MOQ &amp; Volume Tiers<\/a><\/li>\n      <li><a href=\"#packaging\">Packaging Options<\/a><\/li>\n      <li><a href=\"#logistics\">Logistics &amp; Lead Times<\/a><\/li>\n      <li><a href=\"#supplier-eval\">Supplier Evaluation Framework<\/a><\/li>\n      <li><a href=\"#red-flags\">Red Flags to Avoid<\/a><\/li>\n      <li><a href=\"#payment\">Payment Terms<\/a><\/li>\n      <li><a href=\"#sample\">Requesting Samples<\/a><\/li>\n      <li><a href=\"#faq\">FAQ<\/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-china\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 01<\/span>Why Source Silicon Carbide Blasting Media from China?<\/h2>\n  <p>China produces more than 80% of the world&#8217;s silicon carbide \u2014 a market dominance that is structural rather than simply a function of low labor cost. Three factors make China the natural global production center for SiC abrasives:<\/p>\n  <div class=\"hlh-steps\">\n    <div class=\"hlh-step\">\n      <div class=\"hlh-step-num\">1<\/div>\n      <div class=\"hlh-step-body\">\n        <h4>Raw Material Abundance<\/h4>\n        <p>China&#8217;s Gansu, Ningxia, Qinghai, and Xinjiang provinces contain the world&#8217;s largest combined reserves of high-purity silica sand and accessible petroleum coke \u2014 the two primary feedstocks for the Acheson SiC synthesis process. Proximity of raw materials to production facilities eliminates a major cost and supply chain risk factor that affects non-Chinese producers.<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"hlh-step\">\n      <div class=\"hlh-step-num\">2<\/div>\n      <div class=\"hlh-step-body\">\n        <h4>Low-Cost Industrial Electricity<\/h4>\n        <p>The Acheson process is extraordinarily energy-intensive \u2014 producing 1 metric ton of SiC requires approximately 6,000\u20138,000 kWh of electricity. China&#8217;s northwestern provinces (where most SiC production is concentrated) benefit from abundant hydroelectric and coal-fired power at industrial electricity rates significantly below European, North American, or Japanese rates \u2014 a cost advantage that cannot be replicated by production in higher-cost energy markets.<\/p>\n      <\/div>\n    <\/div>\n    <div class=\"hlh-step\">\n      <div class=\"hlh-step-num\">3<\/div>\n      <div class=\"hlh-step-body\">\n        <h4>Accumulated Manufacturing Expertise<\/h4>\n        <p>Decades of scale production have created a deep ecosystem of SiC smelters, downstream processors, quality testing infrastructure, and logistics networks that enable cost-competitive production across the full grit range \u2014 from macro grits for industrial blasting to ultra-fine micro grits for semiconductor lapping. No other country has replicated this integrated ecosystem at comparable scale.<\/p>\n      <\/div>\n    <\/div>\n  <\/div>\n  <p>For international buyers, sourcing SiC directly from a verified Chinese manufacturer \u2014 rather than through European or North American distributors who import and resell Chinese SiC \u2014 typically reduces total landed cost by 30\u201350% while maintaining equivalent or higher product quality from reputable suppliers.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"key-specs\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 02<\/span>Key Specifications to Define Before Ordering<\/h2>\n  <p>A complete SiC purchase specification should define the following parameters. Purchasing without specifying all relevant parameters leaves the supplier free to supply to their own default specifications, which may not match your process requirements.<\/p>\n  <ul class=\"hlh-checklist\">\n    <li><strong>SiC Grade:<\/strong> Black (standard) or Green (high-purity). State explicitly \u2014 never assume default.<\/li>\n    <li><strong>Taille des grains :<\/strong> Specific grit number AND the standard (FEPA, ANSI, or JIS). Example: &#8220;FEPA F120&#8221; not just &#8220;#120&#8221;.<\/li>\n    <li><strong>SiC Content Minimum:<\/strong> Typical \u226597.0% for Black, \u226599.0% for Green. State the minimum acceptable value.<\/li>\n    <li><strong>Fe\u2082O\u2083 Maximum:<\/strong> Specify max allowable iron oxide content. Standard Black SiC: \u22640.3%. Green SiC: \u22640.08%.<\/li>\n    <li><strong>Free SiO\u2082 Maximum:<\/strong> \u22640.3% for standard blasting grades; \u22640.15% for Green SiC.<\/li>\n    <li><strong>Free Carbon Maximum:<\/strong> \u22640.3% standard; \u22640.1% for precision applications.<\/li>\n    <li><strong>Moisture Content Maximum:<\/strong> \u22640.5% LOD at 110\u00b0C.<\/li>\n    <li><strong>Magnetic Content Maximum:<\/strong> Specify for titanium and semiconductor applications (typically \u22640.1%).<\/li>\n    <li><strong>Packaging:<\/strong> 25 kg bags, 50 kg bags, or 1,000 kg FIBCs. State inner liner requirement (PE liner for moisture protection).<\/li>\n    <li><strong>QC Documentation:<\/strong> Specify required documents \u2014 CoC, Chemical Analysis Report, Sieve Analysis, Lot Traceability Number.<\/li>\n    <li><strong>Quantity:<\/strong> Total volume in metric tons. State if quantity is estimated and whether partial shipment is acceptable.<\/li>\n  <\/ul>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"purity-table\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 03<\/span>Purity Standards Reference Table<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Param\u00e8tres<\/th><th>Black SiC (Standard)<\/th><th>Black SiC (Premium)<\/th><th>Green SiC (Standard)<\/th><th>Green SiC (Semiconductor)<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>SiC Content (%)<\/strong><\/td><td>\u2265 97.0<\/td><td>\u2265 98.0<\/td><td>\u2265 99.0<\/td><td>\u2265 99.5<\/td><\/tr>\n        <tr><td><strong>Fe\u2082O\u2083 (%)<\/strong><\/td><td>\u2264 0.50<\/td><td>\u2264 0.30<\/td><td>\u2264 0.10<\/td><td>\u2264 0.05<\/td><\/tr>\n        <tr><td><strong>Free SiO\u2082 (%)<\/strong><\/td><td>\u2264 0.40<\/td><td>\u2264 0.30<\/td><td>\u2264 0.20<\/td><td>\u2264 0.10<\/td><\/tr>\n        <tr><td><strong>Free Carbon (%)<\/strong><\/td><td>\u2264 0.40<\/td><td>\u2264 0.30<\/td><td>\u2264 0.15<\/td><td>\u2264 0.05<\/td><\/tr>\n        <tr><td><strong>Moisture (%)<\/strong><\/td><td>\u2264 0.50<\/td><td>\u2264 0.50<\/td><td>\u2264 0.30<\/td><td>\u2264 0.20<\/td><\/tr>\n        <tr><td><strong>Applications typiques<\/strong><\/td><td>General industrial blasting, stone, glass etching<\/td><td>Marine, structural steel, general precision prep<\/td><td>Aerospace (non-Ti), ceramics, glass precision<\/td><td>Semiconductor, SiC power devices, optical<\/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=\"grit-standard\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 04<\/span>Specifying Grit Standard: FEPA, ANSI, or JIS<\/h2>\n  <p>This is the most commonly overlooked specification in international SiC procurement. The same grit number (#60, #120, etc.) means a different physical particle size under FEPA, ANSI, and JIS standards \u2014 particularly in the fine and micro grit ranges. Ordering &#8220;#180 SiC&#8221; without specifying the standard may result in receiving a particle size up to 15\u201320% different from your process requirement.<\/p>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Standard<\/th><th>Common In<\/th><th>When to Specify<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>FEPA<\/strong><\/td><td>Europe, China (export default), most of Asia<\/td><td>Default for most international orders from China<\/td><\/tr>\n        <tr><td><strong>ANSI B74.12<\/strong><\/td><td>USA, Canada<\/td><td>Orders destined for North American end-use or North American-specified processes<\/td><\/tr>\n        <tr><td><strong>JIS R6001<\/strong><\/td><td>Japan, South Korea<\/td><td>Orders for Japanese or Korean customers or JIS-specified processes<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p>When in doubt, specify FEPA \u2014 it is the dominant export standard used by Chinese SiC manufacturers and is accepted as the reference standard in most international process specifications outside North America and Japan. Jiangsu Henglihong Technology Co., Ltd. supplies to all three standards; specify your requirement clearly in the purchase inquiry.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"moq\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 05<\/span>Minimum Order Quantities and Volume Tiers<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Order Type<\/th><th>Typical MOQ<\/th><th>Pricing<\/th><th>Lead Time<\/th><th>Best For<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>Sample<\/strong><\/td><td>0.5\u20135 kg<\/td><td>At cost + freight<\/td><td>3\u20137 days (air)<\/td><td>Quality evaluation before commercial order<\/td><\/tr>\n        <tr><td><strong>Trial order<\/strong><\/td><td>1\u20132 MT<\/td><td>Above standard pricing<\/td><td>15\u201325 days (sea)<\/td><td>First commercial order; establishing supplier relationship<\/td><\/tr>\n        <tr><td><strong>Standard order<\/strong><\/td><td>5\u201310 MT<\/td><td>Standard pricing<\/td><td>15\u201330 days (sea)<\/td><td>Regular replenishment, one grit size \/ grade<\/td><\/tr>\n        <tr><td><strong>Full FCL (20ft)<\/strong><\/td><td>~18\u201320 MT (bags)<\/td><td>Best unit pricing<\/td><td>15\u201325 days (sea)<\/td><td>High-volume single SKU; most cost-efficient<\/td><\/tr>\n        <tr><td><strong>Full FCL (40ft)<\/strong><\/td><td>~22\u201325 MT (bags)<\/td><td>Best unit pricing<\/td><td>15\u201325 days (sea)<\/td><td>Highest volume; mixed grits possible in one container<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <div class=\"hlh-note\">\n    <span class=\"hlh-note-icon\">\ud83d\udca1<\/span>\n    <p><strong>Multi-grit consolidation:<\/strong> If you require multiple grit sizes (e.g., #60, #120, and #220), these can often be consolidated into a single container shipment, reducing per-unit freight cost significantly compared to individual shipments. Specify all required grits and quantities in your initial inquiry \u2014 consolidation availability depends on current stock levels.<\/p>\n  <\/div>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"packaging\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 06<\/span>Packaging Options<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Package Type<\/th><th>Net Weight<\/th><th>Inner Liner<\/th><th>Palletization<\/th><th>Best For<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>25 kg multi-layer paper bag<\/strong><\/td><td>25 kg<\/td><td>PE inner liner (standard)<\/td><td>40 bags\/pallet (1 MT)<\/td><td>Most applications; easy handling; industry standard<\/td><\/tr>\n        <tr><td><strong>50 kg woven PP bag<\/strong><\/td><td>50 kg<\/td><td>PE inner liner available<\/td><td>20 bags\/pallet (1 MT)<\/td><td>Reduced bag count for high-volume handling<\/td><\/tr>\n        <tr><td><strong>500 kg FIBC (super sack)<\/strong><\/td><td>500 kg<\/td><td>PE inner liner standard<\/td><td>Single unit + pallet<\/td><td>Forklift-equipped facilities; reduced packaging waste<\/td><\/tr>\n        <tr><td><strong>1,000 kg FIBC (super sack)<\/strong><\/td><td>1,000 kg<\/td><td>PE inner liner standard<\/td><td>Single unit + pallet<\/td><td>Maximum volume efficiency; requires forklift<\/td><\/tr>\n        <tr><td><strong>Bulk container (loose)<\/strong><\/td><td>Container capacity<\/td><td>N\/A<\/td><td>N\/A (tipping unload)<\/td><td>Very large volume; requires tip-discharge infrastructure<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p><strong>Packaging recommendation for moisture-sensitive applications:<\/strong> Always specify PE inner liner for 25 kg and 50 kg bags when shipping SiC to humid destinations (Southeast Asia, South America, coastal regions). SiC that absorbs moisture during transit will clump in hoppers and cause inconsistent media flow. FIBC bags inherently include a PE liner as standard \u2014 confirm with supplier if in doubt.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"logistics\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 07<\/span>Logistics and Lead Times<\/h2>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Destination<\/th><th>Port<\/th><th>Transit Time (Sea)<\/th><th>Shipping Mode Notes<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td>Western Europe<\/td><td>Rotterdam, Antwerp, Hamburg<\/td><td>18\u201325 days<\/td><td>Via Suez Canal; direct services from Shanghai\/Ningbo<\/td><\/tr>\n        <tr><td>UK<\/td><td>Felixstowe, Southampton<\/td><td>20\u201328 days<\/td><td>Via Suez; transshipment from major EU hub possible<\/td><\/tr>\n        <tr><td>US East Coast<\/td><td>New York, Savannah, Charleston<\/td><td>22\u201330 days<\/td><td>Via Panama Canal; direct or via transshipment<\/td><\/tr>\n        <tr><td>US West Coast<\/td><td>Los Angeles, Long Beach, Seattle<\/td><td>14\u201320 days<\/td><td>Direct transpacific; fastest US option<\/td><\/tr>\n        <tr><td>Canada (East)<\/td><td>Montreal, Halifax<\/td><td>24\u201332 days<\/td><td>Via Panama; may route through US East Coast<\/td><\/tr>\n        <tr><td>Southeast Asia<\/td><td>Singapore, Bangkok, Jakarta<\/td><td>7\u201314 days<\/td><td>Short-haul; frequent sailings<\/td><\/tr>\n        <tr><td>Australia<\/td><td>Melbourne, Sydney, Brisbane<\/td><td>15\u201322 days<\/td><td>Direct services or via Singapore hub<\/td><\/tr>\n        <tr><td>Middle East<\/td><td>Jebel Ali (Dubai), Dammam<\/td><td>14\u201322 days<\/td><td>Via Suez; direct and feeder services available<\/td><\/tr>\n        <tr><td>South America (East)<\/td><td>Santos, Buenos Aires<\/td><td>30\u201340 days<\/td><td>Via Panama or Cape of Good Hope routing<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p>Production lead time (from purchase order confirmation to container loading) is typically 7\u201314 days for in-stock grit sizes. For custom or less common grit sizes requiring production scheduling, allow 3\u20134 additional weeks. Total procurement lead time from PO to delivery at destination port: allow 35\u201355 days for most destinations, plus local customs clearance and inland transport time.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"supplier-eval\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 08<\/span>Supplier Evaluation Framework<\/h2>\n  <p>The quality of silicon carbide blasting media from Chinese suppliers varies significantly. The following checklist helps evaluate whether a potential supplier has genuine manufacturing capability and quality management infrastructure versus acting as a trading company reselling third-party material without quality control.<\/p>\n  <ul class=\"hlh-checklist\">\n    <li><strong>Factory verification:<\/strong> Can the supplier provide factory address, business license, and production capacity documentation? A genuine manufacturer will freely provide these; a trading company may be evasive.<\/li>\n    <li><strong>QC lab capability:<\/strong> Does the supplier have an in-house QC laboratory with XRF chemical analysis equipment and sieve analysis capability? Request a photo of the lab and ask which tests are performed in-house vs. outsourced.<\/li>\n    <li><strong>Lot traceability:<\/strong> Can the supplier trace any shipment lot back to a specific production batch and furnace run? Ask them to demonstrate their lot numbering system.<\/li>\n    <li><strong>Historical test data:<\/strong> Request 3\u20135 recent Chemical Analysis Reports and Sieve Analysis Reports for the specific grit and grade you need. Review the data for consistency and conformance to specification.<\/li>\n    <li><strong>Reference customers:<\/strong> Can the supplier provide contact references from international customers (outside China) who have purchased the same product? A reputable export manufacturer will have established international customer relationships.<\/li>\n    <li><strong>Sample process:<\/strong> Is the supplier willing to provide a calibrated, representative sample at cost before commercial order? Suppliers who refuse samples or require large minimum sample purchases warrant additional scrutiny.<\/li>\n    <li><strong>Communication responsiveness:<\/strong> Does the supplier respond within 24\u201348 hours with substantive technical answers? Poor communication pre-contract often predicts poor issue resolution post-shipment.<\/li>\n  <\/ul>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"red-flags\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 09<\/span>Red Flags to Avoid<\/h2>\n  <ul class=\"hlh-warn-list\">\n    <li><strong>No lot-level QC documentation:<\/strong> Suppliers offering only generic, undated product specification sheets (not lot-specific test reports) cannot demonstrate that the product you receive was actually tested.<\/li>\n    <li><strong>Price significantly below market:<\/strong> SiC production costs are dominated by electricity. A price more than 20\u201325% below established market benchmarks typically indicates lower-grade raw materials, inadequate classification, or adulteration (mixing SiC with slag or lower-grade abrasive).<\/li>\n    <li><strong>Unable to confirm grit standard:<\/strong> Suppliers who cannot clearly state whether their product conforms to FEPA, ANSI, or JIS grit classification are likely classifying product to their own internal standards \u2014 which may not match your process requirements.<\/li>\n    <li><strong>No physical factory or production evidence:<\/strong> Trading companies reselling SiC from multiple unverified sources cannot guarantee batch-to-batch consistency. Insist on factory verification.<\/li>\n    <li><strong>Resistance to sample requests:<\/strong> Legitimate manufacturers of quality SiC are confident in their product and willing to provide samples. Resistance to sampling often indicates product quality uncertainty.<\/li>\n    <li><strong>Vague responses to specific technical questions:<\/strong> A genuine SiC manufacturer&#8217;s technical team can answer specific questions about Acheson furnace parameters, crystal zone origin of black vs. green SiC, or specific test methods used for chemical analysis. Trading companies typically cannot.<\/li>\n  <\/ul>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"payment\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 10<\/span>Payment Terms<\/h2>\n  <p>Standard payment terms in Chinese SiC export trade include:<\/p>\n  <div class=\"hlh-table-wrap\">\n    <table class=\"hlh-table\">\n      <thead><tr><th>Payment Term<\/th><th>Structure<\/th><th>Risk Level<\/th><th>Common Scenario<\/th><\/tr><\/thead>\n      <tbody>\n        <tr><td><strong>T\/T (Telegraphic Transfer)<\/strong><\/td><td>30\u201350% deposit + balance before shipment or against B\/L copy<\/td><td>Medium (buyer risk on deposit)<\/td><td>Most common for established relationships<\/td><\/tr>\n        <tr><td><strong>L\/C (Letter of Credit)<\/strong><\/td><td>Sight L\/C or usance L\/C via international bank<\/td><td>Low (bank guarantee)<\/td><td>New relationships; large orders; buyer preference for security<\/td><\/tr>\n        <tr><td><strong>D\/P (Documents Against Payment)<\/strong><\/td><td>Shipping documents released against payment<\/td><td>Medium<\/td><td>Established trade relationships<\/td><\/tr>\n        <tr><td><strong>100% T\/T in advance<\/strong><\/td><td>Full payment before production<\/td><td>Highest buyer risk<\/td><td>Small trial\/sample orders only \u2014 never for large commercial orders<\/td><\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n  <p>For first-time orders with a new supplier, Letter of Credit (L\/C) provides the best payment security \u2014 the bank releases funds only against compliant shipping documents (Bill of Lading, Certificate of Origin, Commercial Invoice, Packing List, QC documents). For established supplier relationships, T\/T with 30% deposit and 70% balance against B\/L copy is the most common and efficient structure.<\/p>\n<\/div>\n\n<hr class=\"hlh-divider\">\n\n<div class=\"hlh-section\">\n  <span class=\"hlh-section-anchor\" id=\"sample\"><\/span>\n  <h2><span class=\"hlh-h2-num\">SECTION 11<\/span>Requesting Samples Effectively<\/h2>\n  <p>A well-structured sample request saves time and prevents misalignment between sample and production quality. When requesting a SiC sample from Jiangsu Henglihong Technology Co., Ltd. or any Chinese supplier, specify:<\/p>\n  <ul class=\"hlh-checklist\">\n    <li>Exact grit size and standard (e.g., &#8220;Green SiC FEPA F150&#8221;)<\/li>\n    <li>Required quantity (typically 0.5\u20132 kg for blasting trials; 50\u2013200 g for chemical\/sieve analysis)<\/li>\n    <li>Documents to accompany sample: Chemical Analysis Report and Sieve Analysis are minimum; request from the same production lot as the sample<\/li>\n    <li>Whether the sample is representative of current production stock or a specially prepared quality lot \u2014 the former is preferred for genuine evaluation<\/li>\n    <li>Your evaluation criteria: what tests you will perform and what acceptance thresholds apply<\/li>\n    <li>Your intended commercial volume if the sample passes \u2014 helps the supplier understand the business context and prioritize sample processing accordingly<\/li>\n  <\/ul>\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 12<\/span>FAQ<\/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)\">What is the minimum order quantity for SiC from Jiangsu Henglihong?<\/div>\n    <div style=\"padding:13px 17px;font-size:13.5px;color:var(--c-steel);border-top:1px solid var(--c-border)\">Sample quantities (0.5\u20135 kg) are available for quality evaluation at cost plus freight. Commercial trial orders start from 1 metric ton for most grit sizes in standard packaging. Full container load orders (18\u201325 MT) qualify for the most competitive unit pricing. Contact our team with your specific grit, grade, and quantity requirements for a tailored quote.<\/div>\n  <\/div>\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)\">Can SiC blasting media be imported without special permits or licenses?<\/div>\n    <div style=\"padding:13px 17px;font-size:13.5px;color:var(--c-steel);border-top:1px solid var(--c-border)\">In most destination countries, silicon carbide abrasive blasting media can be imported under standard industrial minerals \/ abrasives import classification (HS code 2849.20.10 or 2849.20.90 for SiC, or HS 3819.00 for prepared abrasive compounds). No hazardous materials permits are typically required as SiC is classified as non-hazardous. However, import duty rates vary by country and HS code classification \u2014 verify the applicable tariff classification with your customs broker before ordering. We provide all standard export documentation (Commercial Invoice, Packing List, Certificate of Origin, MSDS) with each shipment.<\/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)\">How do I verify the quality of SiC upon arrival?<\/div>\n    <div style=\"padding:13px 17px;font-size:13.5px;color:var(--c-steel);border-top:1px solid var(--c-border)\">A practical incoming inspection protocol for SiC blasting media includes: (1) Visual inspection \u2014 verify color (black or green per spec), confirm no obvious contamination or clumping. (2) Sieve analysis \u2014 take a representative sample from 3\u20135 different bags, run sieve analysis to verify D50 and D90 conform to specified grit. (3) Chemical spot-check \u2014 retain a sample for XRF or wet chemistry analysis if required by your process specification. (4) Lot number verification \u2014 confirm lot numbers on bags match the documentation received. For critical applications, engage a third-party inspection service (SGS, Bureau Veritas, Intertek) to perform pre-shipment inspection at the Chinese factory before release.<\/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 13<\/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\">All SiC properties, applications, grit selection, safety and technical overview.<\/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\">Produit<\/span>\n      <div class=\"hlh-related-title\">Black SiC vs. Green SiC: What&#8217;s the Difference?<\/div>\n      <div class=\"hlh-related-desc\">Understand the grade you need to specify before placing your order.<\/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-grit-size-chart-how-to-choose-the-right-mesh-for-blasting\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Selection<\/span>\n      <div class=\"hlh-related-title\">SiC Grit Size Chart &amp; Selection Guide<\/div>\n      <div class=\"hlh-related-desc\">Choose and specify the correct grit size for your application before ordering.<\/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\/is-silicon-carbide-blasting-media-recyclable-reuse-cycles-cost-analysis\/\" target=\"_blank\" rel=\"noopener\">\n      <span class=\"hlh-related-tag\">Economics<\/span>\n      <div class=\"hlh-related-title\">SiC Recyclability &amp; Cost Analysis<\/div>\n      <div class=\"hlh-related-desc\">Understand total cost of ownership before committing to purchase volume.<\/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>Ready to Source SiC from Jiangsu Henglihong?<\/h2>\n  <p>We offer factory-direct pricing, full lot-level QC documentation, flexible packaging, and competitive ocean freight from Jiangsu\/Shanghai ports to all major global destinations. Contact us with your grit, grade, volume, and destination \u2014 we respond within 24 hours with a detailed quotation.<\/p>\n  <a class=\"hlh-cta-btn\" href=\"https:\/\/hlh-js.com\/contact\/\" target=\"_blank\" rel=\"noopener\">Request a Quotation \u2192<\/a>\n  <div class=\"hlh-cta-sub\">Sample orders welcome \u00b7 T\/T and L\/C accepted \u00b7 Certificate of Origin (CO) for all shipments<\/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>Procurement Guide \u00b7 Jiangsu Henglihong Technology Co., Ltd. How to  [&#8230;]<\/p>","protected":false},"author":1,"featured_media":13425,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62,177,138],"tags":[],"class_list":["post-13423","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-material","category-resource"],"_links":{"self":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13423","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/comments?post=13423"}],"version-history":[{"count":2,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13423\/revisions"}],"predecessor-version":[{"id":13426,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/posts\/13423\/revisions\/13426"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media\/13425"}],"wp:attachment":[{"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/media?parent=13423"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/categories?post=13423"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hlh-js.com\/fr\/wp-json\/wp\/v2\/tags?post=13423"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}