... and mutual benefit. Sodium Tripolyphosphate (STPP) specification:Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate, tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos ... Sodium Sulphate Anhydrous etc.Welcome your kindly visit.Thanks for your highly consideration.Looking forward to establish business realitionship with you. Sodium Tripolyphosphate (STPP) 94 ...