Import Black Corundum — Buy in wholesale FOB from Supplier in China
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Black Corundum
Black fused alumina from Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. is produced by fusing quality bauxite ore in an electric arc furnace, resulting in a material composed predominantly of Al2O3 with iron oxide impurities. This gives the abrasive its black color and balanced properties of hardness and durability, making it a cost-effective choice for surface preparation, deburring, and refractory applications.
The abrasive’s chemical composition typically includes Al2O3 as the primary component, with Fe2O3 and trace impurities contributing to its matte appearance and high strength. Standard industry grades for black fused alumina often range from 16 to 220 mesh, with coarser grits used for cutting and blasting and finer grits for polishing and lapping. The supplier’s material is noted for its reliability in applications requiring wear resistance.
This black corundum is widely used in foundries, steel processing, and metal fabrication industries, particularly in markets like Southeast Asia, the Middle East, and Eastern Europe. Its versatility extends to abrasive blasting, grinding wheels, and refractory castables. Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. offers the product for bulk trade, with terms and packaging details to be confirmed directly.
| Material | Black Fused Alumina (Al2O3 from Bauxite) |
| Primary Composition | Al2O3 with Fe2O3 and trace impurities |
| Color | Black |
| Appearance | Matte |
| Hardness (Mohs) | typical 8-9 |
| Grain Size Range | 16 to 220 mesh (standard for industrial abrasives) |
| Strength | High, suitable for wear-resistant applications |
| Thermal Stability | typical >1700°C |
| Common Applications | Surface preparation, deburring, polishing, refractory castables |
| Packaging | Bulk or bagged (25 kg, 50 kg, or custom as standard) |
Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. is located in Building 13, Wanda Plaza, Erqi District, Zhengzhou City, Henan Province, China. The company specializes in wear-resistant materials, with a focus on industrial abrasives like black fused alumina. Its harbor trust tier indicates a baseline level of verification, though response metrics are not currently available, necessitating direct contact for trade inquiries.
The supplier’s description highlights the material’s use in surface preparation, deburring, and refractory applications, positioning it as a cost-effective alternative to white fused alumina. While specific production capacities or certifications are not listed, the company’s emphasis on export markets suggests experience in international trade. Buyers should confirm details on lead times, quality control, and compliance with industry standards directly with Zhengzhou Xinli Wear-Resistant Materials Co. Ltd.
Black corundum, or black fused alumina, is a high-performance industrial abrasive manufactured from premium bauxite ore through electric fusion. It offers excellent cutting efficiency and is widely used in surface preparation, deburring, polishing, and refractory applications across foundry, steel, and metal fabrication industries. As a cost-effective alternative to white fused alumina, it is in steady demand in global B2B trade, particularly for export to markets in Southeast Asia, the Middle East, and Eastern Europe where industrial manufacturing is expanding.
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Sourcing Black Corundum from Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. - China Import Guide
Before placing an order, verify the exact Al2O3 and Fe2O3 content with Zhengzhou Xinli Wear-Resistant Materials Co. Ltd., as these influence the material’s hardness and suitability for your application. Request a material safety data sheet (MSDS) and test reports to confirm compliance with industry standards for abrasives or refractories.
Clarify logistics details, including lead times, Incoterms (e.g., FOB Zhengzhou), and payment terms, as these are not provided in the listing. Discuss packaging options (e.g., 25 kg or 50 kg bags) and moisture protection measures to ensure the product arrives in optimal condition. Confirm the supplier’s ability to handle bulk shipments and any special loading requirements.
Conduct quality checks for grain size distribution, moisture content, and foreign matter, as these can impact performance. Request samples for trial runs in your specific application, such as surface preparation or refractory casting. Ensure the supplier provides inspection certificates and documentation for traceability. For critical applications, consider third-party testing to validate the material’s properties.
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12 listingsTop Verified Suppliers for Black Corundum
30 suppliersBuy Black Corundum in Bulk — Verified Supplier in China
When sourcing Black Corundum for your business, securing the right balance of quality and cost is essential. Zhengzhou Xinli Wear-Resistant Materials Co. Ltd., a verified supplier based in China, offers this product with key specifications including Black Fused Alumina Grade I / II / III (depending on Al2O3 content), Al2O3 85-92%, Fe2O3 3-6%, TiO2 2-4%, SiO2 1-2%, and Grain sizes: F12 to F220 (mesh 8-220); Macro grit F4-F54, Micro grit F60-F220. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $0.72/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 2818.10, making it a staple in the Abrasives sector with strong demand from importing countries worldwide.
Black Corundum Specifications, Trade Terms & Pricing
Importing Black Corundum requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 2818.10 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.
About Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Black Corundum has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Abrasives category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.
Import Black Corundum — Shipping, Logistics & Customs
Importing Black Corundum requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 2818.10 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Black Corundum
What is the wholesale price of Black Corundum?
The current listed wholesale price for Black Corundum from Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. is $0.72/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Black Corundum?
The supplier, Zhengzhou Xinli Wear-Resistant Materials Co. Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Black Corundum. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Black Corundum?
For international shipping and customs clearance, Black Corundum is classified under HS Code 2818.10. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Black Corundum from China?
To import Black Corundum from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Xinli Wear-Resistant Materials Co. Ltd.. Ensure you have the necessary import licenses for Abrasives products in your destination country.
Is Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. a verified supplier?
Yes, Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Black Corundum?
The key specifications for Black Corundum supplied by Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. include Black Fused Alumina Grade I / II / III (depending on Al2O3 content), Al2O3 85-92%, Fe2O3 3-6%, TiO2 2-4%, SiO2 1-2%, and Grain sizes: F12 to F220 (mesh 8-220); Macro grit F4-F54, Micro grit F60-F220. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Black Corundum?
Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. offers Black Corundum with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Black Corundum the most?
Black Corundum is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. through our platform.
What certifications does this Black Corundum supplier hold?
Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. maintains international quality certifications. These ensure that the Black Corundum meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Black Corundum on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou Xinli Wear-Resistant Materials Co. Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Zhengzhou Xinli Wear-Resistant Materials Co. Ltd..
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