... in food, fertilizer, additive, and for industry and agriculture magnesium sulfate heptahydrate1).MgSO4.7H2OMgSO4≥99%, Mg≥9.7%, As≤0.0002%, ... ).Packing:25kg/50kg N.W. each, in PP woven bag Magnesium sulphate features:1) Main content: 99.8%2) Appearance: white ... for industry and agriculture applicationsInner packing: 25kg/PP net bag Magnesium sulfate heptahydrate(MgSO4.7H2O) 99.8%,96%