... manufacturer Refractory , polishing ,abrasives material ,green silicon carbide with high quality1,sic content more then ... GC micropowder for the cutting of monocrystal silicon and polycrystalline silicon, elaborate Abrasive, special ceramics and high ... materials. The Chemical Composition of green silicon carbide:PurposeSpecificationChemical Composition(%)Magnetic material content(%)maxAbrasives ...