soluble fertilizer 1,Valid P2O5:16.0% 2,Calcium:19-25% 3,Free Phosphoric acid: ... fertilizerSingle Super Phosphate fertilizer1, Other Name(s): Superphosphates;superphosphate;enriched superphosphate; normal superphosphate;single superphosphate.2, Standard:ZBG21003-873, Molecular formula:Ca(H20P4 ... 1120kg/m3 (Granule),1280~1440kg/m3(Powder)7, HS Code:310510908, CAS No:10031-30-89, Valid P2O5:16.0 pct min ...