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Product Name: STPP
 Specifications: 94.0%-96.0%
 Product Category: Sodium Salt
Sodium Tripolyphosphate (STPP）Granular /powder

1.Specification:

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
 

2.Uses: 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.

3.Packing: 25kg/p.p. bag or according to the buyer's own requirement. 20MTS/20" FCL