... %, 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 ... , soluble in acid, alkaki and amkonium solution.Usage: Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and ...