... %, 99.8%, , 98%, 95 Grade Standard: Electron, Rubber, Agriculture, Ceramics, painting, Nano Grade etc.Packing: 25kg ... in acid, alkaki and amkonium solution.Application: Used in rubber, dope cable, porcelain enamel, oil, pottery and ... our general specification: Direct process zinc oxide quality meet standard of GB/T3494-1996 Item ... 40.50.50.5contact person: Anne zinc oxide 99% for rubber