... TON. Product Information :stpp manufacturer 1.Sodium Tripolyphosphate (STPP) specification:Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp ... bag.4.Application: builder in laundry powder, sequestrant, chelating agent,Detergent,Detergents & Dishwashing Tablets,( liquid ) Cleaners, Food & Feed ...