... Competitive price 5 ISO9001 CertificateOur Zinc Oxide Grades: Indirect process Zinc Oxide, Direct Process Zinc Oxide,Calcined Zinc Oxide, Zinc Oxide, Pharmaceutic Zinc Oxide, nanometerZinc Oxide, etc.Property: White powder, odourless, relative density 5.606 ... , big sack bag or as required by the customerDirect process zinc oxide quality meet standard of GB/T3494-1996 Item/Parameter Standard ...