... net pp bag ISO 9001:2008, SGS approved Sodium HexametaphosphateChemical formula : (NaPO3)6Molecular weight: 611.82Properties:White powder; Density 2. ... soluble chelates with ions of Ca, Ba, Mg, Cu, Fe etc. and is a good water treatment chemical.Uses:Used in industries ... of oil fields, paper production, textile, dyeing, petroleum, ...