Sodium Tripoly phosphate ( STPP)

1.product name : sodium tri poly phsopahate ( stpp) 2.purity :94% 3.appearance : white powder or granular 4.quickly delivery 1.Specifications:

stpp sodium try poly phosphate 1,stpp 94% for soap. 2,stpp for ceramic 3,free sample 4.quickly delivery

2.stpp sodium try poly phosphate:

Product: Sodium Tripolyphosphate (STPP)

Molecular Formular: Na5P3O10 

 Appearance: White powder or granular; Easily soluble in water;

ITEM	INDEX
	Tech. Grade	Food Grade
Na5P3O10 (%):	94Min	95Min
P2O5 (%):	57Max	57Max
Insolubles in water (%):	0.15Max	0.05Max
Fe (%):	0.007Max	N
Ph (1% solution):	9.2-10	9.5-10
Heavy Metal (As Pb) (%):	N	0.001Max
Arsenic (As) (%):	N	0.0003Max
Fluoride(F) (%):	N	0.003Max
Whiteness(%):	90Min	90Min
Density	0.35-0.9	0.35-0.9
I type content (%)	10-30	10-30

 3.Property:

White powder or granular;Easily soluble in water;It has got salient chelating capacity to Ca and Mg ions.and soften hard water to make suspension solution become into clear solution;it has got weak alkalinity but no corrosiveness.It is a surfactant,and has got outstanding emulsification to lubricants and fat.

 4.Uses:

Used in 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.

Sodium Tripoly phosphate ( STPP)