STPP, Sodium Tripolyphosphate
Used as main auxiliary of synthetic wash, soap synergistic agent, water softener, etc.
Specification:
NA5P3O10 P2O5 INSOLUBLE IN WATER PH 1% AQUEOUS SOLUTION LOSS ON IGNITION @ 140’C PASSING THROUGH US 20 SIEV IRON CONTENT(PPM) BULK DENSITY(G/CM3) PHASE I WHITENESS | 94% MIN 57% MIN 0.1 MAX 9.5—10.0 0.18 MAX 95% MIN 50 MAX 0.70-0.90 20-40% 90% MIN |
Properties:White microdot powder with luster, melting point at 622°c, easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+, Mg2+, can soften hard water, change suspension into solution, slightly alkaline, without causticity.
Application: 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.
Packaging: Plastic-woven sack with polythene inner bag; Net weight 25kg, 50kg or 1000kg; keep away from water or moisture, do not pile up in the open air.
