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Chengdu Shichen Trading Co., Limited Favorite 中文標準版

Sodium Tripolyphosphate (STPP)


CAS Number: 7758-29-4
Molecular formula: Na5P3O10
Packing: 25/50kg/Bag; 27MT can be loaded into 1x20’FCL
Properties:
White powder; easily soluble in water; a surfactant, with outstanding emulsification to lubricants and fat. It has different bulk density, i.e. low density 0.35-0.5g/cm3, medium density 0.51-0.65g/cm3 and high density 0.66-0.9g/cm3.
Applications:
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; 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.


Specifications ? Food Grade Technical Grade
Purity (Na5P3O10) % ≥ 95.0 94.0
P2O5 %≥ 57.0 57.0
Water Insoluble %≤ 0.05 0.1
Fe %≤ 0.01 0.01
PH value(1%water solution) ? 9.5-10.0 9.2-10.0
Heavy Metal (As Pb) %≤ 0.001 ?
As %≤ 0.0003 ?
F %≤ 0.003 ? ? ?
Particle Size ? ? ?
Power: ? ? ?
Through 16 mesh sieve %≥ 95 95
Through 35 mesh sieve %≥ 90 90
Through 100 mesh sieve %≥ 40 40
Fine power: ? ? ?
Through 100 mesh sieve %≥ 90 90
Whiteness %≥ 90.0 90.0


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