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Specifications
Sodium Tripolyphosphate, STPP, 94%
1. Grade: Technical Grade
2. Packing: 25kgs/bag
3. Shelf life: 2 years
Best quality Sodium Tripolyphosphate powder, Technical Grade, STPP, 94%
Detailed Product Description:
Sodium tripolyphosphate (STPP, sometimes STP or sodium triphosphate or TPP ) with formula Na5P3O10
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.
Name of index
|
QB1034-1991
|
FCC-IV
|
GB/T9983-2004
|
Sodium Tripolyphosphate ≥%
|
95
|
85
|
95
|
P 2 O 5 ≥%
|
57
|
-
|
57
|
Fluoride (as F) ≤%
|
0.003
|
0.005
|
-
|
Arsenic (As) ≤%
|
0.0003
|
0.0003
|
-
|
Heavy Metal (as Pb) ≤%
|
0.001
|
0.001
|
-
|
Chloride (as Cl) ≤%
|
0.025
|
-
|
-
|
Sulfate (as SO 4 2- ) ≤%
|
0.4
|
-
|
-
|
Water Insoluble ≤%
|
0.05
|
0.1
|
0.05
|
pH (1% aqueous solution)
|
9.5 -10.0
|
-
|
9.5-10.0
|
Whiteness ≥%
|
85
|
-
|
80
|
Pb ≤%
|
-
|
0.0002
|
-
|