... indirect-method ZnO is produced by an oxidation method and a calcination method. It is white powder stable at ... has good hiding power and tinctorial strength, can dissolve in acid, alkali and ammonia salt solution, and belongs to amphoteric zinc ... All-steel radial tires, diagonal tires, automobile capsules, hoses, tape, gloves and other rubber products; paint, medicine, cables, electronics, coinage, ...