STPP, Sodium Tripolyphosphate Used as main auxiliary of synthetic ... such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, ... of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in ... or densifier in foodstuff industry. Super Sodium Tripolyphosphate