... Through 45um 0.03%max 0.03%max Lost in inflammation 0.2%max 0.175%max 105 degree ... max2. Property: Hexagonal crystal of white or powder, no smell, be insoluble in water , alcohol , dissolve in acid , sodalye aqueous solution , ... 25kg.5. Storage and transport: It should be stored in a dry,ventilative and clean warehouse;kept away from ... 4,Small quantity is welcomed Zinc Oxide factory in China 99.7% 99.5%