... make metallic nano cobalt powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 20~1000nm at your ... . Usages metallic nano cobalt powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,CoAppearance: Different particle size nano cobalt powder ... metal material in industry of fuel for the steam turbine blade, impeller, catheter, jet engines, rocket engine, missile components ... requirements. metallic nano cobalt powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co