... nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co in ranges of 50~100nm at your requirement. nano zinc ... .1<0.3marginFZnN-50<0.05<0.3marginFZnN-80<0.01<0.3marginThe impurities includes elements such as B,Al,Si ... ,Cr,Mn,Fe,Co,Cu,Mo,W,P,C,S. We offer at your ... nano zinc powder Fe,Cu,Ni,Zn,Ag,Sn,Bi,Co