Product Description Valid P2O5 16.0% min ; 18% min Free Phosphoric acid:4.50 pct max 4.50% max Calcium 19-25% Sulphur 8.2% Free Acid 1.4% Fe2O3 0.98% A12O3 1.18% R2O3 2.2% Fluorine 1.13% Cd(Mg/Kg) 2.64 Pb(Mg/Kg) 75.48 Hg(Mg/Kg) 3.12 PH 3.0 In Powder 80 mesh, 90% min In granule 1-4.75mm, 90% min Moisture 3.0% max Pack in 50kg bag with inner poly bag