Brown Fused Alumina with high-quality bauxite as raw material, anthracite, iron Xiao, in the arc in the melting temperature by more than 2000 degrees is made by the self-mill grinding plastic, magnetic separation to the iron and sieve into a variety of particle size, their texture dense, high hardness, the formation of spherical particles suitable for the manufacture of ceramics, resin, as well as the high-Bonded Abrasives grinding, polishing, sand blasting, precision casting and so on, can be used to manufacture high-grade refractory material.

Al2O3: 95% min
Fe2O3: 0.5% max
TiO2: 3% max
SiO2: 1.5% max