1.Copper powder 99.9% 2.Water atomized,elecrolytic,ultrafine copper 3 ... 100mesh, 200mesh, 300mesh,325mesh,400mesh 3.COPPER ALLOY POWDER (BRONZE AND BRASS) APPLICATIONWidely used in P/ ... 3Specification: appearance of red burnish metalCommon uses include powder metallurgy products, oil bearings,chemical contact, diamond ... dry and ventilating place. Copper Powder(Water atomized/elecrolytic/ultrafine copper)