Sodium Hexameta Phosphate Technical grade(SHMP) Total phosphates( as P2O5): 68% min Inactive Phosphates( as P2O5): 7.5 % max Iron(Fe): 0.05% max PH value: 5.8~7.3 Water Insoluble: 0.05% max Solubility: pass polymerization: 9.0~21.0 Packing in 25kgs pp woven bags Qty: 23~25mts/1*20ft FCL