1. Product Name: STPP Sodium Tripolyphosphate 94%
2. CAS No.: 7758-29-4
3. HS Code: 28353100
4. Chemical formula: Na5P3O10
5. Molecular weight: 367.86
6. Application:
1) Used as one of the main auxiliaries for synthetic detergent, synergist for soap; Water softener, tanning agent for leather making, auxiliary for dyeing;
2) As an effective dispersion agent for suspensions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.;
3) As an oil contamination resistance agent in paper production.
7. Properties: White powder, surface density: 0.35-0.9g/cm3, free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.
8. Payment Terms: T/T in advance, 100% Irrevocable L/C at sight
9. Packing:
1) 25kg/ 50kg in woven bag lined with plastic bag
20MT for 20'FCL.
2) For customers' request
10. Delivery Time: Within 10 days after receiving deposit or L/C
11. MOQ: 20MT
|
No
|
Specification
|
Industrial grade
|
Food grade
|
|
1
|
Main content %≥
|
94.0
|
94.0
|
|
2
|
P2O5 %≥
|
57.0
|
57.0
|
|
3
|
Water insoluble %≤
|
0.1
|
0.05
|
|
4
|
Iron, as Fe %≤
|
0.015
|
0.01
|
|
5
|
pH of 1% water solution
|
9.2-10.0
|
9.5-10.0
|
|
6
|
Heavy metal, as Pb %≤
|
-
|
0.001
|
|
7
|
Arsenic, as As %≤
|
-
|
0.0003
|
|
8
|
Fluoride ,as F %≤
|
-
|
0.003
|
|
9
|
Chloride, as Cl %≤
|
-
|
0.025
|
