Product Name: sodium tripolyphosphate (STPP);
Other Names: sodium triphosphate, tripoly pentasodium triphosphate
Appearance: White powder or granules.
Formula: Na5P3O10
Boiling Point: 1000 C
Melting Point: 622 C
Specific Gravity: >1.5 (water = 1)
PH: 9.2 - 10.0 (1% solution)
Solubility in water: 150 g/l (25 deg C)
|
Sodium tripolyphosphate,stpp % |
≥96 |
|
Purity% |
≥57.0 |
|
Water insoluble matter % |
≤0.10 |
|
Fe% |
≤0.007 |
|
Whiteness % |
≥85 |
|
PH |
9.2--10.0 |
|
Granularity % |
≤5.0 |
|
Apparent density g/ml |
0.35-0.99 |
|
Content of I type% |
5--40 |
Packing: plastic-lined woven bag, n.w.25kg
Annual output: 30,000 MT
Properties and uses: white powder, mainly used as synthetic detergent, water-softening agent, dispersant of drilling mud and mineral floating, catalyst of organic synthesis.
Annual output: 30,000 MT
Properties and uses: white powder, mainly used as synthetic detergent, water-softening agent, dispersant of drilling mud and mineral floating, catalyst of organic synthesis.