... of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such ... paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration ... 25kg per bag.To meet your special requirements for packing. Sodium Tripolyphosphate STPP 94% High quality