... , steelmaking, etc.Black silicon carbide is classified into black silicon carbide sand and black silicon carbide powder.ApplicationsOur black silicon carbide is mainly used in ... and refractory industry, such as stemming, trough material, silicon carbide brick and other formed and amorphous products. Chemical composition ... 60, 70, 80 and 90 can be customized. black silicon carbide 0-325 mesh factory