... Water atomized, electrolytic, ultrafine copper 2. spherical shape, dendritic shape 3.ApplicationWidely used in diamond tools, powder metallurgy, oiling bearings, carbon brushes ... , Mn, Ni, Zn, Ge, Mo, Cd, Sn, Sm, REApparent De99.99%0.001%2.2-5.0 Copper powder