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Product: Sodium Tripolyphosphate (STPP)
Molecular Formular: Na5P3O10
CAS No.: 13573-18-7
Appearance: White powder or granular; Easily soluble in water;
Guaranteed Technical Specifications:
Specifications |
Food Grade |
|
Main content (Na5P3O10) |
%≥ |
95.0 |
P2O5 |
%≥ |
57.0 |
Water Insoluble |
%≤ |
0.05 |
SO4 |
%≤ |
0.4 |
Iron (Fe) |
%≤ |
- |
PH value of 1% solution |
|
9.5-10.0 |
Heavy metal (Pb) |
%≤ |
0.001 |
Arsenic (As) |
%≤ |
0.0003 |
Fluoride (F) |
%≤ |
0.003 |
Chloride (Cl) |
%≤ |
0.025 |
Whiteness |
%≥ |
85.0 |
Properties: White powder; Melting point 622°C; Easily soluble in water; It has got salient chelating capacity to ions of Ca and Mg etc. and can soften hard water to make suspension solution become into clear solution; It has got weak alkalinity but no corrosiveness. It is a surfactant, and has got 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. This product has two crystalline forms, namely Type I (high temperature type) and Type II (low temperature type). The chemical properties of the two types are the same, and the difference between them lies in the thermostability, hygroscopicity, solubility and hydration heat when dissolving.
Application: 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.
Storage: Store at a cool, dry and well ventilated place. The package must be moistureproof and well sealed. Handle with care. During transportation, please avoid rains and strong sunshine. In case of fire, please use water,sandy soil or all kinds of fire extinguishers to quench it.
Click here to enquire or order Sodium Tripolyphosphate-STPP online now.
Packing: net weight 25kg or 50 kg or 1000 kg Plastic knit bag or kraft bag,
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