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Sodium Tripolyphosphate (STPP)

Sodium Tripolyphosphate (STPP)

Delivery Time : within 2 working days(depends on your quantity)
Sample Price : Depending on the present product price
Place of Origin : china
Category : Fluoride
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Product Description

Sodium Tripolyphosphate (STPP)
CAS No: 7758-29-4 
Molecular Formula: Na5P3O10
Molecular Weight: 367.86
Melting Point:622℃
Apearance:White or colorless crystal powder.
1. Sodium Tripolyphosphate(Industrial Grade)
1) Na5P3O10:94.0%Min 
2) P2O5:57.0%Min
3) Water Insoluble Matter: 0.15%Max
4) Iron (Fe):0.012%Max
5) PH Value (1% water solution):9.1-10.0
6) Whiteness: 92%Min
7) Ignition Loss: 1.0
8) Density (g/cm3):0.35-0.9
9) Phase I: 10-30
2.Sodium Tripolyphosphate(Food Grade)
1) Na5P3O10:94.0%Min 
2) P2O5:57.0%Min
3) Water Insoluble Matter:0.04%Max
4) Iron(Fe):0.006%Max
5) PH Value(1% water solution):9.5-10.0
6)Heavy Metal(as Pb):0.001%Max
7)Arsenic(As):0.0003%Max
8)Fluoride(F):0.003%Max
9) Whiteness:95%Min
10) Density (g/cm3):0.35-0.9
11) Phase I: 10-30
3. Sodium Tripolyphosphate(Ceramics Grade)
1) Na5P3O10:96.52%Min
2) P2O5:57.85%Min
3) Water Insoluble:0.10%Max
4) Fe:0.007%Max
5) PH:9.7
Usage:
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
suspension solutions of coatings, kaolin, magnesium oxide, calcium
carbonate and drilling mud etc.; As an oil contamination resistance
agent in paper production.
Packing: 25kg plastic bag with PE inside and PP woven outside;
21MT/20’FCL
Storge:Keep in dry and windy conditions.
H.S. CODE: 2835319000

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