Sodium Tripolyphosphate

Sodium Tripolyphosphate

Specification of Sodium Tripolyphosphate(STPP) :

Indexes	Industrial Grade	Food Grade
Na5P3O10	94.0%Min	94.0%Min
P2O5	57.0%Min	57.0%Min
Water Insoluble Matter	0.15%Max	0.04%Max
Iron(Fe)	0.015%Max	0.006%Max
PH value (1% water solution)	9.2-10.0	9.5-10.0
Heavy Metal (as Pb)		0.001%Max
Arsenic (As)		0.0003%Max
Fluoride (F)		0.003%Max
Whiteness	92%Min	92%Min
Ignition loss	1.0	/
density (g/cm3)	0.35-0.9	0.35-0.9
Phase I	10-30	10-30

Chemical formula: Na₅P₃O₁₀

Properties:
White powder
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 leather making, auxiliary for dyeing; As an effective dispersion agent for suspensions 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
 

 

Place of Origin:	Jiangsu in China
Payment Terms:	L/C,T/T(Bank Transfer),
Minimum Order:	22 Metric Ton
Supply Ability:	3,500 Metric Ton per Month
Package:	25kg in net PP bag
Delivery Time:	within 15 days after down payment received or after relevant L/C received.

 Resource:

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