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Tri Sodium Polyphosphate STPP Price
1. STPP Specification:
Items | Tech Grade: GB/T 9983-2004 |
Na5P3O10 (%) | 94Min |
P2O5 (%) | 57Min |
Whiteness(%) | 90Min |
Insolubles in water (%) | 0.10Max |
Fe (%) | 0.007Max |
Density | 0.35-0.99 |
I type content (%) | 10-30 |
Ph (1% solution) | 9.2-10 |
Granularity (Sieve rate through 1.00mm) | 95%min |
Items | Food grade GB/T 25566-2010 |
Na5P3O10 (%) ≥ | 85 |
P2O5 (%) | 56-58 |
Insolubles in water (%) ≤ F (mg/kg) ≤ | 0.10 50 |
As (mg/kg) ≤ | 3 |
Heavy metal (mg/kg) ≤ | 10 |
Pb (mg/kg) ≤ | 4 |


2. STPP 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.
5) In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks,
foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of
horse bean in canned horse bean.
6) It may also serves as a softener or densifier in foodstuff industry
25kg/pp bag, 21MT/20'FCL
1000kg Jumbo bag
Or as your requirements


Zhengzhou Clean Chemical Co., LTD. is a collection of production, scientific research and the
chemical industry trade enterprises, main products are water purifier and detergent chemicals:
aluminum sulfate, PAC, STPP, SHMP.
Get the quotation within 30 minutes, increase your benefits by our competitive price.
Cathy Gao
Zhengzhou Clean Chemical Co.,Ltd
Tel: 86-37166611971
Fax:86-37166611979
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