... 4.Factory price 1.ELECTROLYTIC COPPER POWDERAPPLICATIONWidely used in diamond tools, carbon brushes, friction materials, P/M products ... BRASS) APPLICATIONWidely used in P/M oil-retaining bearings, diamond tools, filters, P/M products, bushing materials, pastes, ... include powder metallurgy products, oil bearings,chemical contact, diamond tools,print,aluminum board, steel plate,and other panel cleaning ...