... Appearance white powder 4,Use for Agriculture Grade 1,Product name Zinc Sulphate Hepta2,Purity Zn 22% min3 ... ,Appearance white powder4,Use for Agriculture GradeSpecificationsZinc Sulphate HeptaZn ... Green,Sodium Bichromate,Chrome Acid,Magnesium Sulphate,Sodium Metabisulphate,Kieserite,Magnesium Carbonate Light, ... and mutral prosperity. Zinc Sulphate Hepta