Stpp sodium tripolyphosphate

Sodium tripolyphosphate
1.High quality & reasonable price
2.Appearance: White powder or granular
3.Sttp over15years produce

Sodium tripolyphosphate

 

STPP 94%

Chemical Formula: Na5P3O10

Molecular Weight:367.86

Properties: White powder

Packing:: 25kgs pp bag(lined with plastic bag)

Application:

1.sodium tripolyphosphate used as one of the main auxiliaries for synthetic detergent, synergist for soap; 

2.water softener, tanning agent for leather making, auxiliary for dyeing; 

3.As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.

4.As an oil contamination resistance agent in paper production.

5.In food stuff industry it is used as quality improver in the process of canned food, fruit juice drinks, food stuffs 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 food stuff industry.

Specification:

Item	Standard
	Industrial Grade	Food Grade
Na5P3O10, % min	94.0	94
P2O5, % min	57.0	57
Water Insoluble Matter	0.10	0.05
Iron (Fe), % max	0.015	0.006
Heavy Metal (As Pb) , % max		0.001
Arsenic(As) , % max		0.0003
PH Value (1% water solution)	9.2-10.0	5.0—9.0
Whiteness, % min	88	92
Ignition Loss	1.0
Density (g/cm3)	0.35-0.9	0.35—0.9
Phase I	10-30	10--30

 

Packing: 

Plastic-woven sack with polythene inner bag; Net weight 25kg, 50kg or 1000kg; Keep away from water or moisture, do not pile up in the open air.

 

 

 

Sodium tripolyphosphate