... 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,Appearance white powder4,Use for Agriculture GradeSpecificationsZinc Sulphate HeptaZn 22% ... Nitrate,Magnesium Nitrate,MagnesiumChloride,Calcium Carbonate Light,Ferrous SulphateMono(Powder/Granular),Ferrous Carbonate,Corn Starch,Sorbitol,Sodium Thiosulphate, ...