--- title: Black Fused Alumina - Abrasivestocks description: Affordable high-performance BFA with strong self?sharpening, low heat generation & excellent finish—used in coated abrasives, grinding wheels, casting & non?slip surfaces. --- [ Home ](https://abrasivestocks.com?hsLang=en) **  [ Products ](https://abrasivestocks.com/products?hsLang=en) **  [ Abrasive & Material ](https://abrasivestocks.com/abrasive-material?hsLang=en) **  Black Fused Alumina # Black Fused Alumina - Product ** [Abrasive Materials for Industrial Use | AbrasiveStocks](https://abrasivestocks.com/abrasive-material?hsLang=en) # Black Fused Alumina ![Black Fused Alumina1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Black%20Fused%20Alumina1.jpg?length=700&name=Black%20Fused%20Alumina1.jpg) [![Black Fused Alumina1](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Black%20Fused%20Alumina1.jpg?length=100&name=Black%20Fused%20Alumina1.jpg) ](https://abrasivestocks.com/product/black-fused-alumina#) [![Black Fused Alumina2](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Black%20Fused%20Alumina2.jpg?length=100&name=Black%20Fused%20Alumina2.jpg) ](https://abrasivestocks.com/product/black-fused-alumina#) [![Black Fused Alumina3](https://abrasivestocks.com/hs-fs/hubfs/ABRASIVESTOCKS/product%20image/Black%20Fused%20Alumina3.jpg?length=100&name=Black%20Fused%20Alumina3.jpg) ](https://abrasivestocks.com/product/black-fused-alumina#) Black Fused Alumina, also known as Black Aluminum Oxide, is a high-strength abrasive material produced by melting bauxite and iron filings in an electric arc furnace. Its distinctive black color comes from the iron content, which also gives it superior toughness and durability. Black Fused Alumina is highly resistant to wear, making it an excellent choice for applications such as blasting, grinding, and surface preparation of metals, ceramics, and other hard materials. - **Product Category:** Abrasive & Material - **Key Features:** - **High Toughness:** Black Fused Alumina is tougher than white and brown aluminum oxide, making it ideal for aggressive grinding and heavy-duty abrasive applications. - **Wear Resistance:** Excellent resistance to wear and breakage during blasting and grinding processes, leading to longer tool life. Iron-Enriched - **Composition:** The addition of iron oxide provides extra strength, making it suitable for polishing and grinding ferrous materials. Thermal Stability: Capable of withstanding high temperatures, ensuring consistent performance during heavy-duty applications. Cost-Effective: Compared to other abrasives, Black Fused Alumina offers a cost-effective solution without compromising performance. [Request a Quote](https://abrasivestocks.com/contact-us?hsLang=en) - [Description ](https://abrasivestocks.com/product/black-fused-alumina#tab-1) - [Additional Information ](https://abrasivestocks.com/product/black-fused-alumina#tab-2) ##### **Applications:** **Abrasive Blasting:** Commonly used in sandblasting and shot blasting processes to clean and prepare surfaces before coating, welding, or painting. **Grinding and Cutting:** Ideal for producing grinding wheels, cutting discs, and other bonded abrasives for use on metals, ceramics, and stone. **Polishing:** Suitable for polishing hard surfaces, including metals, ceramics, and glass, providing a smooth, clean finish. **Surface Preparation:** Used for surface cleaning, deburring, and rust removal in metalworking and industrial maintenance. **Refractory Materials:** Used as a raw material in refractory applications due to its thermal resistance and toughness. ##### **Technical Specifications:** **Chemical Composition:** **Al₂O₃ (Aluminum Oxide):** 70-80% **Fe₂O₃ (Iron Oxide):** 9-12% **TiO₂ (Titanium Oxide):** 2-4% **Hardness:** Mohs hardness of 9 **Bulk Density:** 1.75-1.95 g/cm³ **Grain Size:** Available in various grit sizes from F12 to F220, as well as finer powders (customizable based on requirements) **Melting Point:** Approximately 1950°C ##### **Advantages:** **Toughness and Durability:** Black Fused Alumina’s high toughness and resistance to wear make it ideal for aggressive and long-lasting abrasive applications. **Versatile:** Suitable for a wide range of industries, from metalworking and surface preparation to refractory production. **Thermal and Chemical Stability:** Performs well under high temperatures and in chemically harsh environments, ensuring consistent results. **Cost-Effective Abrasive:** Offers a good balance between performance and cost, making it an economical choice for large-scale operations. **Packaging:** Available in 25 kg bags, 500 kg jumbo bags, or as per customer specifications. ##### Storage: Store in a cool, dry place. 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Related Resources - [Data Sheet](https://abrasivestocks.com/product/black-fused-alumina#) - [Product Brochure](https://abrasivestocks.com/product/black-fused-alumina#) - [Case Study](https://abrasivestocks.com/product/black-fused-alumina#) - [Installation Guide](https://abrasivestocks.com/product/black-fused-alumina#) - [Product Warranty](https://abrasivestocks.com/product/black-fused-alumina#) ```json { "@context" : "http://www.schema.org", "@type" : "product", "aggregateRating" : { "@type" : "aggregateRating", "bestRating" : "5", "ratingValue" : "5", "reviewCount" : "1" }, "brand" : "", "description" : "Black Fused Alumina, also known as Black Aluminum Oxide, is a high-strength abrasive material produced by melting bauxite and iron filings in an electric arc furnace. Its distinctive black color comes from the iron content, which also gives it superior toughness and durability. 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