STPP( Sodium Tyipolyphosphate)

STPP Sodium Tripolyphosphate

Na5P3O10, % , Min. 94
P2O5, % , Min. 57
Insolubles, % Max. 0.05
PH Value( 1% Solution) 9.5-10.0
Iron ( Fe) , % , Max. 0.015
Fluoride ( F) , % , Max. 0.003
Chloride ( Cl) , % , Max. 0.025
Sulphate ( as SO4) , % , Max. 0.4
Bulk density, g/ l 650-990
White degree % , Min. 93
Phase I 10-30

Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, leather pre-tanning agent, dye auxiliary agent, and dispersant of suspension such as paint, kaolin, magnesium oxide, calcium carbonate drilling mud, preservative agent for paper making, organic synthesis catalyzer, and used in epuration of petroleum product, gum latex storage, as dispersant, solvent in metal industry and pharmaceutical industry, also widely used in gum synthesis, foodstuff industry, and poultry process.