... -purity and Ultra-fine Zinc OxideAppearance: white or light yellow Powder Melting Point: 1975 °CBoiling Point: 2360 °CPhysical ... Properties:White hexagonal system crystalloid or powder, tasteless, nontoxic, fine particle. It is amphoteric oxide ... chloride;It can be used in electron laser, phosphor powder, material additive, activator, magnetic material makingTechnicle Data: ...