... ,manufacturer Refractory , polishing ,abrasives material ,green silicon carbide with high quality1,sic content more then 98% ... from F12 to F3000 3,manufacturer Our silicon carbide processed based on JIS tandard or customers ... semi-conductor materials. The Chemical Composition of green silicon carbide:PurposeSpecificationChemical Composition(%)Magnetic material content(%)maxAbrasives gradeSICminF ...