Sodium Tripolyphosphate(STPP)

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Chemical formula:Na5P3O10

Molecular weight:367.86

Properties: White powder, surface density: 0.35-0.9g/cm3,  melting point:622?, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.

Application: 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. 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. It may also serves as a softener or densifier in foodstuff industry.

Indexes

Industrial Grade

Food Grade

 Na5P3O10

94.0%Min

94.0%Min

P2 O 5  

57.0%Min

57.0%Min

Water Insoluble Matter  

0.15%Max

0.04%Max

Iron(Fe)

0.015%Max

0.006%Max

PH value (1% water solution)

9.2-10.0

9.5-10.0

Heavy Metal (as Pb)

 

0.001%Max

Arsenic (As)  

 

0.0003%Max

Fluoride (F)

 

0.003%Max

Whiteness

Product Origin:  
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Company Name: Shijiazhuang Xuantong Chemicals Co., Ltd
Contact Person: Ailsa
Address: NO.91 Guang'an Street, Shijiazhuang, Hebei, China
Zip: 050000
Telephone: 86-311-89805381
Fax: 86-311-85110681
E-mail: ailsa@xuantongchem.com
Website: http://ailsafa.tradeee.com

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