Direct Zinc Oxide 97% CAS No.: 1314-13-2 ISO certificate, SGS test ... of Our ProductsIndirect Method / French Process: Zinc Oxide 99.5%, 99.7%Direct Method / American Process: Zinc Oxide ... )≥99.8%99.7%99.7%99.7%99.5%98%95%Lead Oxide (PbO) % ≤0.0020 ... .40.50.7StoragePacked in dry and airiness place, no contact with acid and alkali, In good condition, ... www.sjzyongchang.com Zinc Oxide 97% CAS No.: 1314-13-2