Tin Zinc Pb Copper Alloy Powder (Bronze Powder) is a brown-yellow irregular non-oxidised copper alloy powder containing 82-88% Cu, 5-7% Sn, 5-7% Zn and 2-4 Pb. It has good wear resistance, impact toughness and high strength, and is widely used in copper-based oil bearing, friction, friction materials, bimetallic materials, sealing materials, diamond tools, electrically conductive functional materials, polytetrafluoroethylene fillers and other industries.