Sodium Tripolyphosphate 1.free sample in 300g 2.MOQ:1MT 3.Mainly as chemical auxiliary 4.clients said we have a good quality Sodium TripolyphosphateType: quick-dissolve typeFormula: Na5P3O10Properties : White microdot powder with luster, melting point at 622°C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+ ,Mg2+ ,can soften hard water, change ...