Refractory , polishing ,abrasives material ,green silicon carbide with high quality 1,Manufacturer 2,High purity of SiC Refractory , polishing ,abrasives material ,green silicon carbide with high quality1,Manufacturer ... Abrasive, special ceramics and high-class fire resistance material.Property:It is brown and features toughness and impact strength .It can bear high Pressure.Usage:It ...