... , fertilizer, additive, and for industry and agriculture magnesium sulfate heptahydrate1).MgSO4.7H2OMgSO4≥99%, Mg≥9.7%, As≤0.0002 ... %, Pb≤0.0015%2).MgSO4.H2OMgSO4≥97.7%, Mg≥15%, As≤0.0002%, ... 25kg/50kg N.W. each, in PP woven bag Magnesium sulphate features:1) Main content: 99.8%2) Appearance: ... applicationsInner packing: 25kg/PP net bag Magnesium sulfate heptahydrate(MgSO4.7H2O) 99.8%,96%