1.excellent zinc oxide 99.7% 2.tech grade 3.reasonable price and delivery immediately 4.best service Zinc Oxide White Powder 99.7% Packing:25kg pp ... white or powder, no smell, be insoluble in water , alcohol , dissolve in acid , sodalye aqueous solution , ammonium chloride.3. Application: Zinc Oxide can ... sample,best price.4,Small quantity is welcomed Tech grade zinc oxide 99.7% min