... brand,high quality 2)Cu:99.6 3)Factory price 4)Port nearby advantage carbon brush of copper powderELECTROLYTIC COPPER POWDERTECHNICAL DATA PROPERTIESDendritic ... ,high electrical and thermal conductivity. APPLICATIONWidely used in diamond tools, carbon brushes, friction materials, P/M products and abrasive materials,pastes ... mesh (%)10-20+ 325 mesh (%)20+ 200 mesh (%)50-60 carbon brush