shi STPP 94%
Sodium triphosphate, tripoly pentasodium triphosphate STPP ( Sodium Tripolyphosphate)
Boiling Point: 1000 C
Melting Point: 622 C
CAS NO: 7758-29-4
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.
Uses:
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. In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans. It may tender the meat in canned ham and soften the skin of horse bean in canned horse bean. It may also serves as a softener or densifier in foodstuff industry.
Specification:
No. |
Index |
Technical Grade |
01 |
Assay Na5P3O10 % ≥ |
94.0 |
02 |
P2 O 5 % ≥ |
57.0 |
03 |
Water Insoluble Matter % ≤ |
0.15 |
04 |
Iron(Fe) % ≤ |
0.015 |
05 |
PH value (1% water solution) |
9.2-10.0 |
06 |
Whiteness % ≥ |
90 |
07 |
density (g/cm 3 ) |
0.70-0.90 |
08 |
Phase I |
10-30 |
09 |
Particle Size(1.00mm) % ≥ |
95 |
10 |
Appearance |
White powder |
Packing:
25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20-25mt/20 feet container
Storage and transport: It should be stored in a dry,ventilative and clean warehouse;kept away from moisture and hot.
Our company, ZHENGJIA CHEMICALS INDUSTRY, as a specialized manufacturer of STPP, has won a good reputation both in the foreign and domestic markets with its high qualtiy and preferential price.
