Packaging Details: | 25kgs bag |
Delivery Detail: | 25days |
(1)sodium tripolyphosphate manufacturer (2)purity:95% or as required (3)reasonable price and high quality (4)SGS certificate
sodium tripolyphosphate
1.Specifications:
STPP(Sodium Tripolyphosphate) can be used as additive, soap synergist and for anti-crystallization and anti-frost of soap.
Used as one of the main auxiliaries for synthetic detergent, synergist for soap;
water softener, tanning agent for leather making, auxiliary for dyeing.
In industry use, it can also be used as water softner, leather pre-tanning agent,
dyeing agent, oil well clay digging control agent, paper manufacturing, anti-oil dirty agent, effective dispersion agent for slurry treatement of paint, kaolin , MgO,calcium carbonate.
In foodstuff industry it is used as quality improver in the process of canned food, fruit juice drinks, foodstuffs from milk or soybeans.
2.Physical and chemical properties:
Item |
Index |
Physical state |
powder |
Color |
White |
Odor |
Odorless |
PH |
9.5@ 1% soln. |
Freezing/Melting Point |
1152F decomposes |
Decomposition Temperature |
1152 deg F |
Solubility in water |
20% @ 25C |
Specific Gravity/Density |
>1.5 |
Molecular Formula |
Na5P3O10 |
3.Product Index:
Na5P3O10 CONTENT |
94.6% |
P2O5 CONTENT |
57.4% |
WHITENESS |
94% |
INSOLUBLE MATTER |
0.1% |
Fe |
0.004% |
Na2HPO4 |
0.41% |
Na4P2O7 |
1.79% |
SIZE: RESIDUE ON 1.00 TEST SIEVE |
5.0% |
NaPO3 |
1.83% |
PH VALUE (1% SOLUTION) |
9.5 |
BULK DENSITY (g/cm3) |
0.65-0.99 |