... Tripolyphosphate25kg pp bag, 23MT/20'FCL Specification: Na5P3O10,% ,Min.94P2O5,% ,Min.57Insolubles, % Max.0.05PH Value(1%Solution)9.5 ... dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis ... synthesis, foodstuff industry, and poultry process. best quality and tech grade STPP sodium tripoly phosphate