... thermal conductivity, widely used as a deoxidant in abrasives, grinding of electronics, refractory, special ceramics, foam ceramics, modification ... carbide powder.ApplicationsOur black silicon carbide is mainly used in steelmaking and ironmaking industry and refractory industry, such ... Note: Silicon carbide sand and powder for deoxidization of steelmaking in specification of 50, 60, 70, 80 and 90 can ...