1.good 99.5% and 99.7% Zinc Oxide 2.factory supply, ... crystal of white or powder, no smell, be insoluble in water , alcohol , dissolve in acid , sodalye aqueous solution , ammonium chloride.3. Application ... is 25kg.5. Storage and transport: It should be stored in a dry,ventilative and clean warehouse;kept away from moisture ... best price.4,Small quantity is welcomed Zinc Oxide factory in China 99.7% 99.5%