... powderultrafine copper powder ELECTROLYTIC COPPER POWDERAPPLICATIONWidely used in diamond tools, carbon brushes, friction materials, P/M products and abrasive materials,pastes, electrical ... ALLOY POWDER (BRONZE AND BRASS) APPLICATIONWidely used in P/M oil-retaining bearings, diamond tools, filters, P/M products, bushing materials, pastes, electrical ...