Battery grade People's Republic of China standard GB1625-79 %(m/m) tem criteria content(Calculate in ZnCl2), í¦ 98.0 98.0 96.0 chlorid oxidation(Calculate in ZnO), 1.8-2.2 2.0 2.2 sulfate(SO4), í_ 0.01 0.01 0.05 barium(Ba), í_ 0.1 0.1 0.2 ferrum Fe), í_ 0.0005 0.001 0.002 plumbum(Pb), í_ 0.0005 0.001 0.002 zinc plate cauterization experiment qualified - - Lot Size 25 tons Weight 25KGs or 50KGS plastic bags or pasteboard bucket