White corundum is a high-quality aluminum oxide powder as raw material, has high hardness, toughness is slightly lower, high purity, excellent self-sharpening, grinding and strong, heat a small, high efficiency, acid and alkali corrosion, high temperature, thermal stability is good. It is not only superior materials, abrasives, or high-level grinding, polishing materials, and so on, to use it made of abrasive machining, grinding application of high-carbon steel, high-speed steel and a variety of stainless steel. It is also widely used in precision casting, steel fire-resistant, chemical fire, 95 batteries, decorative porcelain and other daily use of special ceramics and porcelain, as well as military, electronics and other high-tech industry.