hafnium sponge, hafnium powder MOQ: sample available high purity:99.5% min size:all size hafnium sponge, hafnium powderUses: atomic energy industry brandchemical composition %Hf+ZrZrFe,Ni,Mg,Cl≥≤≤FHf99.540.5size -200 mesh, -400 mesh,3-25MM.packing 100 g / bottle, 30 kg / barrel. 2-5 kg vacuum-packed bag.