Brown fused alumina is bauxite, coke (anthracite), iron as the main raw material in electric arc furnace melting temperature crystallization from Canon, it has high hardness, toughness, particle Fengrui, grinding power, high temperature , high efficiency, high-quality corundum is high refractory materials and abrasives. It is made of abrasive used for grinding high tensile strength of metal, cutting, grinding a variety of common steel, carbon steel, general steel, malleable bronze, hard bronze, etc., can also be as a senior refractories, widely used in steel, chemical and other industries.