RECOMMEND
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Sodium Tripolyphosphate STPP
Property:
White particle or powder, appearant density 0.35-0.90g/cm3, melting point 622℃. Easily soluble in water, aqueous solution is alkali. Hydrolyze to orthophosphate in water, complexing with calcium, magnesium, iron and other metal ions and generate soluble complex. As inorganic surfactant, it has certain properties of organic surfactants.
Specification:
| Item | Industrial Grade Index | Food Grade Index |
| Sodium Tripolyphosphate(Na5P3O10) % ≥ | 94 | 94 |
| Phosphorus pentoxide (P2O5) % ≥ | 57 | 57 |
| Water insoluble matter % ≤ | 0.05 | 0.05 |
| PH value (1% solution) | 9.5-10.0 | 9.2-10.0 |
| Iron content(Fe) % ≤ | N | 0.007 |
| Heavy Metal (As Pb) % ≤ | 0.01 | -- |
| Arsenic(As) % ≤ | 0.0003 | -- |
| Fluoride(F) % ≤ | 0.003 | -- |
| Whitness % ≥ | 90 | 90 |
| Particle size % | 40-80mesh | 40-80mesh |
Industrial grade Usage:
Mainly used as additive in detergent synthesis, ceramics production, soap synergist. Has strong emulsifying property to lubricant and fat, to adjust the PH value of buffer liquid soap, water softener for industrial water, pretanning agent for leather production, in dyeing additive, paint, kaolin, magnesium oxide, calcium carbonate and other industries as dispersant for the preparation of suspension, as dispersant in drilling fluid, as anti-oil agent in paper-making industry.
Food grade usage:
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.
Package: 25kg net bag, 25MT/20’FCL
Storage:Sealed and stored in the dry and ventilated place to prevent from rain, high temperatures and strong sunlight.
