Sodium Tripolyphosphate (SCI-STPP-FG)
Standard Executed: QB1034-91
Molecular Formula: Na5P3O10
Byname is Pent-sodium Phosphate.
It is white powder.
Melting point is 622°C.
It is easily soluble in water.
It has salient chelating capacity to ions of Ca, Mg etc.
It can soften the hard water to make suspension become into the clear solution.
It has weak alkalinity but no corrosiveness. It is a surfactant which has outstanding emulsification for 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.
This product has two kinds of crystalline forms, namely Type I (the type of high temperature) and Type II (the type of low temperature). The chemical characters of the two types are the same, and the difference between them lies in the thermo stability.
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 horsebean in canned horsebean.
It may also serves as a softener or densities in foodstuff industry.
Packing: Plastic knit bag or kraft bag, net weight 25kg or 50 kg. Besides, we can pack the goods according to the requirement of the client. Store at ventilated dry places.
Specifications Food Additive
Main content % ≥ 95.0
P2O5 % ≥ 57.0
Water Insoluble % ≤ 0.05
SO4 %≤ 0.4
Chloride, as Cl % 0.025
Fe % ≤ 0.01
PH Value of 1% water solution 9.5-10.0
Heavy metal, as Pb % ≤ 0.001
Arsenic, as As % ≤ 0.0003
Fluoride, as F % ≤ 0.003
Granularity ( on 1.00mm sieve) % ≤5.0
Whiteness % ≥ 85.0
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