Sodium Tripolyphosphate(STPP) Food Grade

Properties: White powder, surface density: 0.35-0.9g/cm3, melting point: 622C, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.

Application:
1, Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing;
2, As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;
3, As an oil contamination resistance agent in paper production.

Specification:
Na5P3O10   94.0%Min
P2 O 5  57.0%Min
Water Insoluble Matter  0.04%Max
Iron(Fe)   0.006%Max
PH value (1% water solution)  9.5-10.0
Heavy Metal (as Pb)   0.001%Max
Arsenic (As)   0.0003%Max
Fluoride (F)   0.003%Max
Whiteness   92%Min
Density (g/cm3)   0.35-0.9
Phase I   10-30
Packing: 25kg/bag, 25MT/20FCL