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,Appearance white ... powder4,Use for Agriculture GradeSpecificationsZinc Sulphate HeptaZn 22% minPb 0.002% maxAs 0.002% maxPacking In ...