... factory99%,99.5%,99.7% Industry grade,Feed grade,Ceramics grade Use:Rubber,Food,Industry high purty and good price Zinc Oxide ... factory 99%,99.5%,99.7%1.Zinc Oxide Grades : Indirect ... : Used in rubber, dope cable, porcelain enamel, oil, pottery and porcelain, glass and other chemical industry.4.Packing: In polyethylene film bag ...