Brown Fused Alumina: The brown aluminum oxide is made from bauxite, carbon materials, iron filings as raw material through melting in the electric furnace. It suitable for grinding high tensile metal, such as: a variety of common steel, malleable iron and hard bronze, etc., can also create advanced refractory. Application of brown fused alumina: grinding media, sandblasting media; surface cleaning, grit blasting, lapping, polishing, grinding, sandblasting, etching : wet and dry blasting : mineral skin abrasion materials metal finishing & surface preparation : refractors, ceramics, coatings " bonded & coated abrasives.