Brown Fused Alumina

What is brown fused alumina

Brown fused alumina is a versatile product available in various forms. It includes brown fused alumina for abrasive, brown fused alumina for refractory, and high temperature treated BFA. Known for its high hardness and toughness, this material is widely used in abrasive applications, refractory production, and high-temperature treatments. It provides excellent performance and durability in different industrial processes.

The Difference Between White And Brown Fused Alumina

Raw Materials

The main raw material of brown fused alumina is bauxite, and the others are anthracite and iron. The material of white v is alumina powder.

Application

Brown fused alumina can be used to make ceramic and resin high-bonded abrasive tools, as well as grinding, polishing, sandblasting, precision casting, etc., and can also be used to make advanced refractory materials. White fused alumina is suitable for grinding fine-grained abrasives such as high carbon steel, high-speed steel and stainless steel. White fused alumina can also be used for precision casting and advanced refractory materials.

Properties

Brown fused alumina has the characteristics of high purity, good crystallization, strong fluidity, low coefficient of linear expansion and corrosion resistance. White fused alumina has the characteristics of high purity, good self-sharpening, acid and alkali corrosion resistance, high temperature resistance, and stable thermal performance. In comparison, the hardness of white fused alumina is higher than that of brown fused alumina.

Components

Although both brown fused alumina and white fused alumina contain alumina, the alumina content of white fused alumina is above 99%, and the alumina content of brown fused alumina is above 95%.

Colors

Because the alumina content of white fused alumina is higher than that of brown fused alumina, the color of white fused alumina is white, and that of brown fused alumina is brown-black.

Production

White fused alumina is produced with alumina powder (the same material as electrolytic aluminum), while brown fused alumina is produced with calcined bauxite.

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