Zinc Oxide IntroductionZinc oxide is a White powder, odourless, relative density 5.606, stable under normal temperature. Insoluble ... with dry materials) % ≥ZnO 99.5%ZnO 99%ZnO 98%ZnO 95%ZnO 90%Lead oxide (PbO)% ≤0.120.21 ... sack bag Zinc Oxide Grades : Indirect process Zinc Oxide, Direct Process Zinc Oxide, Calcined Zinc Oxide, Feed Grade Zinc Oxide, Pharmaceutic Zinc Oxide, nanometer Zinc Oxide, ...