... good quality, widely used in detergent, good performence STPP Sodium TripolyphosphatePacking:25 kg pp bag Na5P3O10,% ,Min.94P2O5,% , ... drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum ... pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process. STPP sodium tripolyphosphate