... for working on cast iron, non-ferrous metal, rock, leather, rubber, etc It is also broadly ... Silicon Carbide Abrasive(GB/T2480-1996)BrandSizeSpec %SICF.C Fe2O3 C12#-90#P12-P10098.5<0.20< ... including: glass, agate, electrical ceramic, quartz products, rock. It is also applied as higher-grade refractory materials, ... chemical Specification (GB/T2480-1996)Brandsize%SIC minF.C Fe2O3GC20#-90#99.0 <0.20<0.20100 ...