... Zinc Oxide 99.5% ~90%, etc. - Indirect ZnO: 99.9%~99.7%, etc. - Feed Grade ZnO: 75%~65%, 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, relative ...