... flame-spraying, brazing,strip-bearings, metal-bonded grinding wheels and cutting tools, metalfilled plastics for bearings, decorative, conductive and high strength applications ... . Brass powder CuZn20, CuZn30, CuZn40 used in antifriction material,diamond tools and chemical industry etc.Some Copper Powder Following GradeCuPbSnZnPHL(Hydrogen ...