Sodium Tripolyphosphate (STPP)
CAS No: 7758-29-4
Melting Point:622 degree

 

 

 

 

 

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: 90%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:20/25Kg wowen plastic bag,21ton/20'FCL.

 

Storge:Keep in dry and windy conditions.