1,Product name Zinc Sulphate Hepta 2,Purity Zn 22% min 3,Appearance white powder 4,Use for Agriculture Grade 1,Product ... name Zinc Sulphate Hepta2,Purity Zn 22% min3 ... scope covers Chrome Oxide Green,Sodium Bichromate,Chrome Acid,Magnesium Sulphate,Sodium Metabisulphate,Kieserite,Magnesium Carbonate Light,Magnesium Oxide Light, ...