Application: Sodium Tripolyphosphate(STPP) is used as oneof the main auxiliaries for synthetic detergent, synergist forsoap; Water softener, tanning agent for leather making, auxiliaryfor dyeing; As an effective dispersion agent for suspensions ofcoatings, kaolin, magnesium oxide, calcium carbonate and drillingmud etc.; As an oil contamination resistance agent in paperproduction.