Brown Fused Alumina

Description:
Brown Fused Alumina (BFA) is produced by the high-temperature fusion of bauxite in an electric arc furnace, resulting in a material with high alumina content and excellent hardness. Its dark brown color is due to the presence of iron oxide, which also contributes to the material’s durability and toughness. Brown Fused Alumina is known for its versatility and is used in both abrasive and refractory applications.
The material is extremely hard and wear-resistant, making it ideal for use in abrasive tools, sandblasting, and high-performance refractory materials. BFA’s chemical stability and high thermal resistance also make it a reliable choice in demanding industries such as steel, cement, and foundry operations.
Applications:
Refractory Industry:
- Refractory Materials: Brown Fused Alumina is used in the production of high-performance refractory bricks, castables, and monolithic linings for kilns, furnaces, and reactors.
- Foundries & Metal Processing: As a material for ladle linings, furnace linings, and crucibles that can withstand extreme temperatures and mechanical wear.
- Cement & Steel Industry: It is used to produce refractory linings for blast furnaces, rotary kilns, and incinerators.
Abrasive Industry (Sandblasting & Grinding):
- Abrasive Grains: Brown Fused Alumina is widely used in the production of grinding wheels, sandpaper, cutting tools, and other abrasive products. It’s ideal for coarse grinding, polishing, and sharpening applications.
- Sandblasting & Surface Preparation: As a blasting media, BFA is used for cleaning, deburring, and surface profiling in industries like construction, automotive, and shipbuilding.
Key Features & Benefits:
a) High Hardness: With a Mohs hardness of 9.0, Brown Fused Alumina provides excellent wear resistance, making it ideal for use in heavy-duty abrasive applications like grinding and sandblasting.
b) Thermal Stability: BFA has excellent thermal stability and can withstand temperatures up to 2050°C, which makes it highly suitable for refractory applications in kilns, furnaces, and other high-temperature environments.
c) High Mechanical Strength: BFA has high crushing strength and is durable under extreme mechanical stress, making it ideal for harsh environments.
d) Chemical Inertness: Brown Fused Alumina is chemically stable, resistant to most acids, and does not easily react under extreme conditions.
e) Cost-Effective: BFA offers excellent value for money due to its durability and long-lasting performance in abrasive and refractory applications.
Grades Available:
Standard Brown Fused Alumina: A general-purpose material for abrasive and refractory applications.
Fine Brown Fused Alumina Powder: For specialized applications requiring smaller particle sizes, including fine grinding, polishing, and sandblasting.
Low-Iron Brown Fused Alumina: For applications that require minimal iron contamination, such as in high-purity abrasives and specialty refractories.
High-Purity Brown Fused Alumina: Tailored for industries requiring superior material strength and consistency in challenging environments.
Technical Support & Customization:
Our technical team is ready to help you with product selection, custom particle size distribution, and other specific requirements to meet your operational needs. Whether you require tailored particle sizes, low-iron compositions, or specialized packaging, we can provide customized solutions for your applications.
Physical Properties:

Chemical Composition (Typical, % by weight):
