NAME：Sodium Tripolyphosphate , STPP
Sodium Tripolyphosphate , STPP
APPEARANCE:white powder ,white granular
MOLECULAR FORMULA: Na5P3O10
Application：Industrial grade: Used in detergent, synergist for soap; water softener; tanning agent for leather making, auxiliary for dyeing; As an effective dispersion agent for suspension solutions of coatings, kaolin, magnesium oxide, calcium carbonate and drilling mud etc.; As an oil contamination resistance agent in paper production.
Package：Packaged in 25/40/500/1000kg PP Woven sacks with plastic liners.or as per customer’s request.
Chemical properties:It is white powder or white granular;its apparent density is 0.35-0.90 g/cm3. 1% aqueous solution’s PH is 9.7; Melting point is 622°C;It has salient chelating capacity to ions of Ca, Mg etc; It can soften the hard water to make suspension become into the clear solution; it has weak alkalinity but no corrosiveness. It is a surfactant which has outstanding emulsification for lubricants and fat