... can make metallic nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 50~100nm ... at your requirement. nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,CoUsages metallicAppearance: Different particle size of ... dispersity, grey to black powderPacking: double antistatic plastic bags vacuum packaging, 50 ~ 200 g per bag.Chemical composition GradeChemical ... . metallic nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co