STPP Sodium Tripolyphosphate

Powder: white Model Numble: Industrial Grade/Food Grade

Properties: 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 dyeing; 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	Industry Grade	Food Grade
Na5P3O10%≥	94.0	94.0
P2O5%≥	57.0	57.0
Water insoluble matter%≤	0.15	0.04
PH value(1%water solution)	9.5-10.0	9.5-10.0
Iron(Fe)%≤	0.015	0.006
Heavy metal(as Pb)%≤	-	0.001
Arsenic(As%)≤	-	0.0003

                                   

FluorideF%≤	-	0.003
Whiteness%≥	92	92
density(g/cm3)	0.35-0.9	0.35-0.9

STPP Sodium Tripolyphosphate