COPPER ALLOY POWDER (BRONZE AND BRASS) APPLICATIONWidely used in P/M oil-retaining bearings, ... tools, filters, P/M products, bushing materials, pastes, electrical and electronic applications etc.STANDARD SPECIFICATION CompositionCu%Sn%Zn%Pb%Apparent ... AND STORAGEIron barrel or plastic bag package.Carefully keep away from moist and damp.Store in dry and ventilating place. COPPER ALLOY POWDER (BRONZE AND ...