Sodium Tripolyphosphate(STPP)->industrial additives

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Sodium Tripolyphosphate(STPP)

Category :

Chemicals->industrial additives

Product Specification

Country	CN
Brand	meida
Materials	powder
Color	white
Packing	25kg/bag
Minimum Order	20MT
Payment Term	TT/LC

Product Detail

Chemical formula:Na5P3O10

Molecular weight:367.86

Properties: White powder, surface density: 0.35-0.9g/cm3, melting point:622C, 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.

Indexes
Industrial Grade
Food Grade

Na5P3O10
94.0%Min
94.0%Min

P2 O 5
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

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


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