... waste water treatmentand water purity, disinfection, rubber, leather,washingpowder, livestock feed, pencils. 2.Storage & handling:Store the product in ... waste water treatmentand water purity, disinfection, rubber, leather,washingpowder, livestock feed, pencils. 3.Detailed specification:FesO4: 91%MINIRON 30% ... .More photos about the goods 5.Package disinfectant of green vitriol ferrous sulphate 91%