... good quality, widely used in detergent, good performence STPP Sodium TripolyphosphatePacking:25 kg pp bag Na5P3O10,% ,Min.94P2O5,% ,Min ... I10-30Application:Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, ... , magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration ...