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STPP Sodium Tripolyphosphate

STPP Sodium Tripolyphosphate
STPP Sodium Tripolyphosphate
Offer Type: Sell
Offer Post Time: 2009-12-08
Expiration Date: 2010-07-29
Details: Properties: White powder, surface density: 0.35-0.9g/cm3, melting point: , 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 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.

Packing: In 25Kg or 50 Kg or 1000 Kg net WPP/PE bags
Indexes  Industrial Grade  Food Grade
Na5P3O10  94.0%Min94.0%Min
P2 O 5  57.0%Min57.0%Min
Water Insoluble Matter  0.15%Max0.04%Max
Iron(Fe)  0.015%Max0.006%Max
pH value (1% water solution)  9.2-10.09.5-10.0
Heavy Metal (as Pb)  0.001%Max
Arsenic (As)  0.0003%Max
Fluoride (F)  0.003%Max
Whiteness  92%Min92%Min
Ignition loss  1/
Density (g/cm3)  0.35-0.90.35-0.9
Phase I  10-3010-30

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