Sodium Tripolyphosphate
Introduction
STPP is a multi-functional food additive, white Powder or fine granular, it can flow freely, Free from extraneous material.
Sodium Tripolyphosphate 95%min for meet and fish products from China manufacturer.
Specification
| ITEMS | SPECIFICATION | RESULTS |
| Assay Na5P3O10 % ≥ | 95.0 Min. | 95.56 |
| P2 O 5 % ≥ | 56.5 Min. | 57.12 |
| Water Insoluble Matter % ≤ | 0.05 Max. | 0.02 |
| PH value (1% water solution) | 9.5-10.0 | 9.7 |
| Heavy Metal | 0.001 Max. | 0.0008 |
| Sulfate % ≤ | 0.4Max | 0.01 |
| Arsenic (As) % ≤ | 0.0003 Max. | 0.00018 |
| Lead(Pb) % ≤ | 0.0004Max | 0.0004 |
| Fluoride (F) % ≤ | 0.005 Max. | 0.0007 |
| Chloride(CL) % ≤ | 0.025Max | 0.02 |
| Whiteness % ≥ | 90 Min. | 90.3 |
| density | 0.65-0.75 | 0.7 |
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.
Used in 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.
