... F12 to F3000 3,manufacturer4, refractory,abrasives,grinding material,polishing compound 1.DescriptionBlack silicon carbide is produced at ... leather, rubber, etc. It is also broadly used as refractory material and metallurgical additive.2.Chemical compositionBlack Silicon CarbideSiC: 98 ... leather, rubber, etc. It is also broadly used as refractory material and metallurgical additive#14#16#20#24#30#36 ...