Product Description:

Sodium Tripolyphosphate(STPP) 94%/96%
Chemical Formula:Na5P3O10
Appearance: white powder

Specification:

Na5P3O10: 94.0%min
P2 O 5: 57.0%min
Water Insoluble Matter: 0.15%max
Iron(Fe): 0.015%max
Heavy Metal (as Pb): 0.001%max
PH value (1% water solution): 9.2-10.0
Whiteness: 90%min
Ignition loss: 1.0
density (g/cm3): 0.35-0.9
Phase I: 10-30

Na5P3O10: 96.0%min
P2 O 5: 57.0%min
Water Insoluble Matter: 0.10%max
Iron(Fe): 0.007%max
PH value (1% water solution): 9.2-10.0
Whiteness: 90%min

Packing: 25kg per bag, 22MTS/20'FCL
Application: Sodium Tripolyphosphate(STPP) is used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.