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STPP Property:
White powder or granular; Easily soluble in water; It has got salient chelating capacity to Ca
And Mg ions. 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.
STPP Application:
Used as detergent catalyst; Can also be used in petroleum, metallurgy, mining, paper-making and water treatment, etc. In foodstuff industry, mainly used as quality improving agent for meat foodstuffs, canned meat foodstuffs, milk product, bean-milk; In personal tending and protection, used as additive of cleaning and washing products.
STPP Package: 25Kg/50Kg inner plastic and outer knitting bag.
Sodium Tripolyphosphate / STPP |
Indexes | Industrial Grade | Food Grade |
Assay Na5P3O10 % ≥ | 94.0 | 94.0 |
P2O5 % ≥ | 57.0 | 57.0 |
Water Insoluble Matter %≤ | 0.15 | 0.05 |
Iron(Fe) %≤ | 0.01 | 0.01 |
PH value (1% water solution) | 9.2-10.0 | 9.5-10.0 |
Heavy Metal (as Pb) %≤ | -- | 0.001 |
Arsenic (As) %≤ | -- | 0.0003 |
Fluoride (F) %≤ | -- | 0.003 |
Particle Size Through 16 mesh sieve %≥ Through 35 mesh sieve %≥ Trough 100 mesh sieve %≥ | 95.0 90.0 40.0 | 95.0 90.0 40.0 |
Whiteness %≥ | 90.0 | 90.0 |