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Brand:boxin

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Product: sodium tripolyphosphate /STPPCas No.: 7758-29-4Molecular Formula: Na5P3O10Properties: White powder, surfacedensity: 0.35-0.9g/cm3, melting point:622, free soluble in water,aqueous solution appears acid. It is a kind of inorganic surfaceactive agentSpecification: 

Indexes	Industrial Grade	Food Grade
Na5P3O10%≥	94.0	94.0
P2 O 5  %≥	57.0	57.0
Water Insoluble Matter%≤	0.15	0.04
Iron(Fe) %≤	0.015	0.006
PH value (1% water solution)	9.2-10.0	9.5-10.0
Heavy metal (as Pb) %≤	-	0.001
Arsenic (As)  %≤	-	0.0003
Fluoride (F) %≤	-	0.003
Whiteness %≥	92	92
density (g/cm3)	0.35-0.9	0.35-0.9
Phase I	10-30	10-30

 Application:It is used as one of the main auxiliaries for syntheticdetergent, synergist for soap; water softener, tanning agent forleather making, auxiliary for dyeing;As an oil contamination resistance agent in paperproduction.In foodstuff industry.it is used as quality improver in theprocess of canned food, fruit juice drinks,and foodstuffs from milkor soybeans.It may tender the meat in canned ham and soften the skin ofhorse bean in canned horse bean.It may also serves as a softener or densifier in foodstuffindustry.

Packing:  In 25Kg or 50 Kg or 1000 Kg netWPP/PE bags.