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1.STPP, Sodium Tripolyphosphate 2.good quality, widely used in detergent, good performence 3.STPP Sodium Tripolyphosphate
PropertiesWhite powder, surface density: 0.35-0.9g/cm3,free soluble in water, aqueous solution appears acid. It is a kind of inorganic surface active agent.
UsageUsed as one of the main auxiliaries for synthetic 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. 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.
Specification
In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks,
ITEM | INDEX | |
Tech. Grade | Food Grade | |
Na5P3O10 (%): | 94Min | 95Min |
P2O5 (%): | 57Max | 57Max |
Insolubles in water (%): | 0.15Max | 0.05Max |
Fe (%): | 0.007Max | N |
Ph (1% solution): | 9.2-10 | 9.5-10 |
Heavy Metal (As Pb) (%): | N | 0.001Max |
Arsenic (As) (%): | N | 0.0003Max |
Fluoride(F) (%): | N | 0.003Max |
Whiteness(%): | 90Min | 90Min |
Density (g/cm3) | 0.35-0.9 | 0.35-0.9 |
type content (%) | 10-30 | 10-30 |
Packing
25kg or 50Kg/woven bag lined with PE liner, or 1000 Kg/Container bag; 20mt/20 feet container
Storage and transportIt should be stored in a dry,ventilative and clean warehouse;kept away from moisture and hot.
STPP Food grade