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Black Corundum

Estimate pricing$ 150 – $ 900Est. category range
AvailabilityIn stock
Colorblack
Appearancematte
Primary compositionaluminum oxide (Al2O3)
Secondary compositioniron oxide (Fe2O3)

Products Description

Black fused alumina, also known as black aluminum oxide, is a type of abrasive material that is commonly used in various industrial applications. It is made from the high-quality bauxite ore by fusing it in an electric arc furnace at high temperatures. During this process, the aluminum oxide content in the bauxite is reduced, resulting in a material that is predominantly composed of aluminum oxide and iron oxide. *Color and Appearance: As the name suggests, black fused alumina is black in color. It has a matte appearance and a high hardness. *Hardness: Black fused alumina is known for its high hardness, making it suitable for abrasive applications. It is often used for cutting, grinding, and polishing metals, ceramics, and other materials. *Abrasive Properties: It is an abrasive material with excellent cutting and grinding properties. It is used in applications such as sandblasting, grinding wheels, abrasive belts, and abrasive powders. *Strength and Durability: It has good strength and durability, making it a reliable choice for applications where wear resistance is essential. *Chemical Composition: Black fused alumina typically contains aluminum oxide (Al2O3) as the primary component, along with iron oxide (Fe2O3) and small amounts of other impurities. Applications: Grinding and Polishing: Surface Preparation: Cutting: Refractory Industry: Abrasive Blasting: Lapping and Polishing: Cutting Tools: Refractory Castables: Abrasive Powders and Compounds: Tumbling and Deburring:

Product Categories

Abrasives

Products Specification

Colorblack
Appearancematte
Primary compositionaluminum oxide (Al2O3)
Secondary compositioniron oxide (Fe2O3)

Supplier information

Basic member

Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd.

China

Business type - Contact Seller

Inquire now

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Buy Online Wholesale Black Corundum from Supplier & Exporter in China

Black Corundum is an abrasive material also known as black aluminum oxide. It is produced by fusing bauxite ore in an electric arc furnace at high temperatures, reducing aluminum oxide content and resulting in a material predominantly composed of aluminum oxide and iron oxide. The product is black in color with a matte appearance and high hardness.

It is used for cutting, grinding, and polishing metals, ceramics, and other materials. Applications include sandblasting, grinding wheels, abrasive belts, abrasive powders, surface preparation, refractory industry, lapping and polishing, cutting tools, refractory castables, abrasive powders and compounds, and tumbling and deburring.

Import Wholesale Black Corundum for Your Business Needs

At Global Trade Plaza, we understand that quality is paramount in the B2B sector. As updated by the seller, the Black Corundum is manufactured to meet rigorous industry standards, ensuring reliability and performance for your business operations. Designed with businesses in mind, the product offers outstanding end user experience. As your business grows, so do your needs, hence it is designed to scale with you, offering flexible solutions that adapt to changing demands. Explore more such product varieties from sellers, suppliers, manufacturers and exporters at our website. You can even import or export Black Corundum or connect with global Importers and Exporters online.

About Supplier

Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. is a premier leather products export company, established in 2010 and based in China. With a decade of experience, Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. has built a reputation for delivering high-quality leather goods to clients across the globe. The company specializes in a wide range of leather products, including bags, wallets, belts, and custom leather accessories, all crafted with precision and attention to detail. Leveraging advanced manufacturing techniques and stringent quality control processes, Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. ensures that each product meets the highest standards. The company’s commitment to excellence, timely delivery, and customer satisfaction has made it a trusted name in the international market.Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. continues to expand its global footprint, exporting its superior leather products to various countries, while maintaining strong relationships with clients worldwide.

Supplier Details for Black Corundum

Established - 6 Oct, 2026
Business Type - Contact Seller
Deals in Product Type - Abrasives
Country - China

Frequently Asked Questions (FAQs) on Black Corundum

1. What is the Seller’s Policy on Payment for Black Corundum?

The trusted supplier, Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd., accepts for transactions related to Black Corundum. All payments are processed securely via the Global Trade Plaza B2B platform, ensuring buyer protection and supplier credibility.

2. How to Place an Order for Black Corundum with Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd.?

Placing an order for Black Corundum with Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. is quick and straightforward on Global Trade Plaza, a leading B2B marketplace for global buyers and suppliers. You can:

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3. What Should You Consider When Buying Black Corundum Online in 2025?

When purchasing Black Corundum from a B2B marketplace in 2025, focus on the following critical factors:

Product specifications (material, durability, features)

Quality certifications and compliance

Supplier credibility and customer reviews

Minimum Order Quantity (MOQ) and bulk pricing

Lead time and delivery timelines

Comparing prices and communicating directly with verified sellers like Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd. can help ensure value for money and better sourcing decisions.

4. Who Are the Top B2B Importers and Verified Buyers of Black Corundum on Global Trade Plaza?

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5. What is the Port of Dispatch, Estimated Price, and Packaging Type Offered by Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd.?

Zhengzhou Xinli Wear-ResistantÂ Materials Co. Ltd., a reliable B2B trader from China, dispatches Black Corundum primarily through the port at China. Packaging types (e.g., bulk, custom, eco-friendly) and estimated pricing may vary based on order volume and destination. To get detailed logistics and pricing information, reach out via the Inquire Now button or Sign Up for direct supplier interaction.