... [Molecular weight]: 611.82 export to all of the country Sodium hexametaphosphate[Molecular formula]: (NaPO3)6[Molecular weight]: 611.82[Executive standard ... water softener, flotation agent,dispersant, high temperature binding agent and additive, quality modifier, PH value regulator, metallic ion chelating agent and ... advance,L/C[delivery]:within 7-10 days SHMP 68% Sodium Hexametaphosphate