STPP sodium hexametaphosphate

Specs: Na5P3O10 % : 95min P2O5 %: 57 max Insolubles in water%: 0.05 max Fe%: N PH(1% solution):9.5-10 Heavy Metal(as pb)%: 0.001 max Arsenic(as)%: 0.003max Fluoride(F)%: 0.003 max Whiteness(%): 90min Density(g/cm3): 0.35-0.9 Type content(%): 10-30

Character: it is white powder, it has salient chelating capacity to ions of Ca, Mg, etc. It can soften the hard water to make suspension become into the clear solution. it has weak alkalinity but no corrosiveness. it is a surfactant which has outstanding emulsification for lubricants and fat.