... %, etc. - Calcined ZnO: 99.5%,Zinc Oxide Grades : Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, etc.Property: White powder, odourless ... , big sack bag or as required by the customerDirect process zinc oxide quality meet standard of GB/T3494-1996 Item/ParameterStandardZinc ...