Refractory Raw Materials

BROWN FUSED ALUMINA

Process of production

Brown fused alumina is produced from bauxite, charcoal, iron chip by being fused under high temperature in an electric arc furnace. It is characterized by high toughness and has micro hardness of 2000-2200 kg/mm .

The abrasive tools made by brown fused alumina are suitable for grinding carbon steel, normal alloy steel, malleable cast iron and hard bronze, etc. Brown fused alumina can also be used for making fine quality refractory etc.

Applications

Resin ceramic abrasive, sand blasting, grinding and polishing, and is widely used in anti-wear runways, high-temperature coating matrix and metallurgy, chemical industry, and other high-level furnace refractories.

Items 
Al₂O₃(%)≥95
Fe₂O₃(%)≤0.3
SiO₂(%)≤1.0
TiO₂(%)≤3.0
CaO+MgO≤0.85 
Bulk Density (g/cm³)≥ 3.85