... fertilizer 1,Valid P2O5:16.0% 2,Calcium:19-25% 3,Free Phosphoric acid:4.50% 4,Moisture:3.0% soluble fertilizerSingle Super ... HS Code:310510908, CAS No:10031-30-89, Valid P2O5:16.0 pct min 10, Free Phosphoric acid:4.50 pct max ... 11, Calcium:19-25%12, Moisture: 3.0 pct max 13, Sulphur:8.2% 14, Free Acid: ... 1.4% 15, Fe2O3:0.98% 16, A12O3:1.18% 17, R2O3:2.2% 18, Fluorine ...