... . Insoluble in water, soluble in acid and alkali. Zinc oxide as chemical additives is usually and widely used in plastic ... adhesives, food, batteries, flame retardants and other relevant fields. Zinc oxide has large bandgap and exciton binding energy, high transparency and ... to work on some relevant products.“Qing Lian” Brand Zinc Oxide is processed by indirect Process, Powder and Granules.in ...