... ranges of 20~1000nm at your requirement. Usages metallic nano cobalt powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,CoAppearance: Different ... all kinds of heat components and atomic energy. As the cobalt powder metallurgy binder can ensure hard alloy certain toughness. Magnetic alloy ... to 300 nm different specifications of nano or super fine cobalt powder, also can do special processing according to user requirements. ...