factory price high quality sodium tripolyphosphate stpp 94%

Product Overview

Description

 

 Sodium Tripolyphosphate(STPP) 94%

 

 

Description of Sodium Tripolyphosphate

Chemical Name: Sodium Tripolyphosphate 94% 

 Synonyms: Penta sodium Triphosphate 

 Molecular formula: Na₅P₃O₁₀ 

 Standard executed : GB25566-2010 

 CAS NO. 7758-29-4

 

Specification of Sodium Tripolyphosphate 

Index	Technical Grade
Appearance	White powder
Assay Na5P3O10 % ≥	94.0
P2 O 5 % ≥	57.0
Water Insoluble Matter % ≤	0.15
Iron(Fe) % ≤	0.015
PH value (1% water solution)	9.2-10.0
Whiteness % ≥	90
Density (g/cm 3 )	0.70-0.90
Phase I	10-30
Particle Size(1.00mm) % ≥	95

 

 Packaging of  Sodium Tripolyphosphate

 25kg or 50Kg/woven bag lined with PE liner; 20-25mt/20 feet containe.

 

 

 

  Application of  Sodium Tripolyphosphate 

 1.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 suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;

 4.In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. 

  

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