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Sodium Tyipolyphosphate (STPP)
We provide Sodium Tripolyphosphate (STPP) with high quality and competitive price in China.
Sodium Tyipolyphosphate STPP
 
Properties:
White microdot powder with luster, melting point at 622 o C, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca 2+, Mg 2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity.
 
 
Uses:
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 suspension solutions 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.
Specification:
 
 
Na5P3O10                            ≥94%
P2O5                               ≥57.0%        
PH Value                            9.2-10.0
Water insoluble                       ≤0.10 %     
Iron as Fe                            ≤0.015%      
Whiteness                            ≤85%