Sodium Tripolyphosphate

Chemical Name : Sodium Tripolyphosphate Type: 85%/94% Spec: STPP 85% (tech grade) Assay (as Na5P3O10) %------------------85 min P2O5%-----------------------------------------55.0 min Water Insoluble%---------------------------0.15max PH (1% water solution) %----------------9.2-10.0 Whiteness%----------------------------------70 min Retained on 1.00mm mesh--------------5.0max STPP 94% (tech grade) Assay (as Na5P3O10) %---------------------94.0min P2O5%--------------------------------------------57.0min Water Insoluble%------------------------------0.15max Iron (Fe) %---------------------------------------0.01max PH (1% water solution) %-------------------9.2-10.0 Through 16 mesh sieve%-------------------95min Through 35 mesh sieve%-------------------90min Through 100 mesh sieve%-----------------40min Whiteness%-------------------------------------90min Application: Used as one of the main auxiliaries for synthetic detergent, synergist for soap; water softener, tanning agent for leather making, auxiliary for dyeing; As an oil contamination resistance agent in paper production.