... . Insoluble in water, soluble in acid and alkali. Zinc oxide as chemical additives is usually and widely used in plastic, silicate ... , adhesives, food, batteries, flame retardants and other relevant fields. Zinc oxide has large bandgap and exciton binding energy, high transparency ... optioned)USES: Rubber/tyre, pharmacy, Glass, cement, Food, electronic, Zinc oxide petroleum chemical industry grade