... #zinc ingot as raw materials 3.Pb<0.037 4. good hiding power 5.SGS (RoHS)compliant Product Name: zinc oxide ... method. It is white powder stable at normal temperature, has good hiding power and tinctorial strength, can dissolve in acid, alkali ... , and belongs to amphoteric zinc oxide. Application: All-steel radial tires, diagonal tires, automobile capsules, hoses, tape, gloves and other rubber products ...