product manual Nano-zinc oxide activity use: This product is mainly used in rubber, chemical, pharmaceutical, paper and other industries. Features and functions: 1. The small particle size, activity, and is preferably rubber vulcanization active agent. 2. Can greatly improve the thermal conductivity of rubber products, abrasion resistance, tear resistance, tensile strength. 3. Zinc Oxide for UV protection is strong, used in cosmetics would be better.