... nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 50~100nm at your requirement. nano zinc ... mixed, spherical, without obvious agglomerate.Efficacious Catalyzer: Zinc and its alloy nano powder used as catalyst, it has high efficiency and ... .3marginThe impurities includes elements such as B,Al,Si,Cr,Mn,Fe,Co,Cu,Mo,W,P,C,S. We offer at ... nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co