Luoyang Wei Xiang abrasive corundum corundum a sand factory

Corundum is bauxite, coke (anthracite) as main raw materials, high temperature in electric arc furnace smelting, the main chemical composition of Al2O3, TiO2 also contain small amounts of SiO2 and Fe2O3, etc., microhardness HV1800-2200, toughness higher than SiC, use it made of abrasive, suitable for grinding high tensile strength metal, such as a variety of common steel, malleable iron and hard bronze. You can also create advanced refractories.