Sodium Tripolyphosphate

STPP is a white powder, 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. Applications: STPP can be used 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 food industry, it can be used as a preservative for seafood, meats, poultry and pet foods; 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 hose bean. It may also serves as a sofener or densifier in food industry. Specification: ITEMSPECIFICATIONAssay (Na5P3O10, %)≥94.0P2O5 (%) ≥56.5water Insoluble matter (%) ≤0.15Iron (Fe, %) ≤0.01pH value (1% water solution)9.2-10.0Whiteess (%)≥90Granularity (1.00 mm, %)95