Zinc oxide used as vulcanization activator and reinforcement agent of rubber and cables, coloring agent and filler of white rubb English Name: Zinc oxide, Zinc whiteMolecular Formula: ZnOMolecular Weight: 81.37Physicochemical Properties: Zinc oxide white hexagonal crystal system crystalline or powder; odorless, nontoxic, and fine and smooth. Relative density is 5.606, refractive index 2.008-2.029 ...