STPP/ Sodium Tripolyphosphate Tech Grade CAS NO.7758-29-4

Items	Specification	Results
Total phosphate as P2O5%≥	94%	94.5%
The activity of phosphate as P2O5%≥	57%	57.3%
PH (1% solution)	9.2-10.0	9.57
Solubility	Conformity	Conformity
Iron (Fe) %≤	0.007	0.0062
Water Insoluble %≤	0.10	0.098
Particle size 1.00 mm test sieve sieve residue %≤	5.0	5.0
Whiteness%≥	90	90

Sodium Tripolyphosphate STPP

Product Name: Sodium Tripolyphosphate

Molecular Formula: Na5P3O10

Molecular Weight:367.86

H.S.Code: 28353190.00

Specification

Application:

1.used as one of the main auxiliaries for synthetic detergent, synergist for soap;

2.Water softener, tanning agent for leather making, auxiliary for dyeing;

3.As an effective dispersion agent for suspension solutions of coatings, kaolin,

magnesium oxide, calcium carbonate and drilling mud etc.;

4.As an oil contamination resistance agent in paper production

Packing and shipping:

1.25kg/50kg in plastic woven bag with polythene liner, 22MT/20GP for STPP granular;25MT/20GP for STPP powder.

2.We could arrange the shippment according to customers’s requirements.