... Adhere the equality and mutual benefit. Sodium Tripolyphosphate (STPP) specification:Synonyms: triphosphoric acid pentasodium salt, pentasodium triphosphate ... , tripolyphosphate pentasodium, sodium triphosphate, STPP, armofos, empiphos stp-D, freez-gard FP 19, ... Credit International co.,ltd.we are mainly supply the raw material for detergent powder plants. ...