Silicon carbide with quartz sand and petroleum coke and industrial salt by the high temperature electric resistance furnace smelting. it is known commercially as carborundum, is formed of carbon and siliconatoms arranged in a diamond-like pattern, which results in diamond-like properties.Green crystal structure, high hardness, cutting ability is strong, stable chemical properties, heat conduction performance is good. Its hardness is between fused alumina and diamond, mechanical strength is higher than fused alumina.The high purity and large crystal silicon carbide raw materials, to ensure the good cutting performance of silicon carbide powder and stable physical condition.It occurs in nature as the extremely rare mineral moissanite.