... , widely used as a deoxidant in abrasives, grinding of electronics, refractory, special ceramics, foam ceramics, modification of coating and plastics, auto ... and ironmaking industry 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. silicon carbide refractory