Purity: 98% Appearance: gray or almost white powder. Packing: aluminum foil bag, 25kg/drum(BAG) or as your request Uses:It is generally used as a composite material for electrical and electronic material components of cutting tools. It can be used as high temperature resistant materials, wear resistant and smooth solid materials, cutting tools, thermocouple protective tubes and electrode materials for electrolytic melting compounds. It is especially suitable for the surface of rolling bearing balls.