Refractory , polishing ,abrasives material ,green silicon carbide with high quality 1,Manufacturer 2,High purity of SiC Refractory , polishing ,abrasives material ,green silicon carbide ... materials. The Chemical Composition of green silicon carbide:PurposeSpecificationChemical Composition(%)Magnetic material content(%)maxAbrasives gradeSICminF.CmaxFe2O3maxgrain12-80990.200.20.018090-15098 ...