Properties: Re: Sodium Hexametaphosphate tech grade Appearance: White power Specification: Total phosphate as P2O5: 68% min Inactive phosphate as P2O5: 7.5% max Iron: 0.05% max PH value (1% solution) : 5.8-7.3 Water insoluble: 0.05% max Packing: 25kg/bag, 22MT/20FCL If you are interested in our products,pls contact me ---Caroline Hebei Liancheng chem co.,ltd No118 youyi street Address: No.118 Youyi Street, Shijiazhuang City, Hebei, China Tel: 1-86-15933210923 Website: E-mail: bonjourlc(at)lianchengchem(dot)com MSN: bonnetoi(at)live(dot)cn