... the high quality STPP 95% ,through the ISO 9001 Sodium Tripolyphosphate (STPP)Chemical formula: Na5P3O10 Molecular weight: 367.86 ... water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, ... gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff ...