Zincoxide(ZnO),commonlyknownasXinBai,isakindofzincoxide.Solubleinwater,solubleinacidandalkali.Zincoxideisacommonchemicaladditive,widelyusedinplastics,Portlandproducts,syntheticrubber,lubricatingoil,paintcoating,ointment,adhesives,food,batteries,flameretardantsetcproductsinmaking.)