STPP 94%

Sodium triphosphate, tripoly pentasodium triphosphate STPP ( Sodium Tripolyphosphate)

Boiling Point: 1000 C
Melting Point: 622 C
 

 

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

 

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:

No.	Index	Technical Grade
01	Assay Na5P3O10 % ≥	94.0
02	P2 O 5 % ≥	57.0
03	Water Insoluble Matter % ≤	0.15
04	Iron(Fe) % ≤	0.015
05	PH value (1% water solution)	9.2-10.0
06	Whiteness % ≥	90
07	density (g/cm 3 )	0.70-0.90
08	Phase I	10-30
09	Particle Size(1.00mm) % ≥	95
10	Appearance	White powder

 

Packing:

25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container

 

Storage and transport: It should be stored in a dry,ventilative and clean warehouse;kept away from moisture and hot.

 

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