Sodium Tripolyphosphate>>Auxiliaries for Synthetic Detergent

1.auxiliaries for synthetic detergent
2.synergist for soap
3.water softener
4.tanning agent
5.dispersion agent

Sodium Tripolyphosphate
characters
White powder, melting 622 degrees Celsius, soluble in water, It has significant chelating ability for Calcium magnesium metal ions ,It can soften the hard, make suspending liquid into solution, It is a kind of inorganic surfactant which have alkalescent, noncorrosive and have strong emulsification for lubricating oil and fat pile .density is divided into low density 0.35-0.5 cm, 3 g / 0.65 ,middle density 0.51 cm, 3 g,high-density 0.66-0.9 cm/g. Sodium tripolyph-osphate have type I (high), and low (type II), two kinds of crystal morphology, the same chemical nature, the difference is thermal stability and hygroscopicity of type I is above II .
Appearance:
white odorless granular or powder
Specification
MAIN CONTENT
,…………………………………………95% MIN.
P2O5
………………………………………………………57% MAX.
CHLORIDES
……………………………………………….0.025% MAX.
SULPHATES
………………………………………………. 0.4% MAX.
HEAVY METAL (Pb)
………………………………………. 0.001% MAX.
As
…………………………………………………………… 0.0003% MAX.
FLUORIDES
……………………………………………... 0.003% MAX.
PH VALUE (1% WATER SOLUTION)
……………………9.5-10.0
RESIDUES ON 1.00mm SIEVE
………………………….5.0% MAX
WHITENESS
……………………………………………….85 MIM.
INSOLUBLE MATTER IN WATER
……………………….. 0.05% MAX.
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.