STPP 94%

Product Specifications

Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe

Product Description

1) Purity: 94%;
2) GB9983-2004
3) Powder or granule
4) Superior quality and competitive price
5) detergent, ceramic, petroleum

STPP 94%

Chemical formula: Na5P3O10
Molecular weight: 367.86
Standard executed: GB9983-2004
Technical Specifications:
Specifications
Industrial grade

Sodium Tripolyphosphate (as Na5P3O10)% ≥
94

Phosphorus Pentoxide (as P2O5)% ≥
57.0

Water insoluble matter % ≤
0.10

Fe% ≤
0.015

PH value
9.2--10.0

Whiteness % ≥
90

Apparent density
0.35-0.9


Properties: White powder, apparent density: 0.35-0.90g/ml, melting point: 622degree, easily dissolving in water; Water solution is alkaline(PH value of 1% solution is 9.7); Can hydrolyze into phosphate in water, has good ability in complexing metal ions,; Can be used to soften water; Has some surfactant properties.
Application: Mainly used as syndet adjuvant, soap synergist and prevent bar soap from oiling off and blooming; Has strong emulsification on lubricant and oils and fats, can be used to adjust the PH value of buffer soap solution; Can be used as water softener for industrial water, pretanningagent and dyeing adjuvant; Drilling mud dispersant; Dispersant in preparing suspension in paint, kaolinite, magnesium oxide, calcium carbonate etc.; Oil-proofing agent and antifoulant in paper industry.
Packing: N. W. 25kgs/50kgs/1, 000kgs plastic-lined woven bags.