White Fused Alumina, a kind of high-grade refractories, was made from the high quality alumina by melting above 2000 in the electric arc furnace and cooling.
Brown Fused Alumina (BFA) is produced by a reduction fusion of high quality bauxites in electric arc furnaces.
Black Fused Alumina is a black color artificial corundum for abrasives. It's made of fusion of bauxite and reducing agent in electric arc furnace.
Pink Fused Alumina is produced by adding chromium oxide to high purity aluminum oxide during the fusion process.
Zirconia fused alumina is produced by putting rich aluminum, zirconium materials and additives in electic furances