... metallic material including: glass, agate, electrical ceramic, quartz products, rock. Green silicon carbide also used as higher-grade refractory materials, electrical ... Carbide for Concretion GrinderBrandGrit SizeChemical Composition(%)SIC(min)F.C(max)Fe2O3(max)GCF12-F9099.00.200.20F100- ... Carbide for Coating GrinderBrandGrit SizeChemical Composition(%)SIC(min)F.C(max)Fe2O3(max)C-PP12-P10098.50.250. ...