... raw material makes good hardness and toughness,high efficiency and durability.SpecificationGood quality and high hardness;Reputable supplier and manufacture;Competitive price ... size is available as required;ApplicationGrinding non-ferrous material, stone, leather, rubber, and other hard metals;Grinding wheels, abrasive belts;As ... required;Payment: T/T, L/C, D/A,D/P; High quality black silicon carbide