... series 3.More than 90% exported 4.abrasive High purity,black silicon carbide abrasive1.High purity,SIC:98%min2.FEPA,JIS,GB series 3 ... , rock, leather, rubber, etc. It is also broadly used as refractory material and metallurgical additive.2.Chemical compositionBlack Silicon CarbideSiC ... , rock, leather, rubber, etc. It is also broadly used as refractory material and metallurgical additive#14#16#20#24#30 ...