1.High quality STPP 94% 2.Tech grade, Industrial grade 3.Low price and immediately delivery 4.Best Service 5.Manufacturer Commodity: 94%min STPP ManufacturerMolecular formula: Na5P3O10Specifications Na5P3O10 94%min P2O5 57%min Fe 0.015%max Whiteness 92%min Water insoluble matter 0.15%max PH value(1% water solution) 9.2-10.0Property: White powder, melting point 622 C, soluble in water, of calcium ...