DOWEX™ PSR-3

A strong base anion exchange resin designed for the selective removal of trace contaminants from potable water.

Product Name Type Matrix Functional Group
DOWEX PSR-3 Tri-n-butyl Amine Styrene-DVB, Macroporous Quaternary Amine


Guaranteed Sales Specification Units Cl- Form
Total Exchange Capacity, min. eq/L 0.6
Total Exchange Capacity, min. kgr/ft3 as CaCO3 13.1
Water Retention Capacity % 50 - 65
Particle Size Distribution
     % through 14 mesh, max. % 100
     % on 16 mesh, max % 3
     % through 40 mesh, max. % 5


Typical Physical and Chemical Properties Units Cl- Form
Particle Density g/mL 1.10
Shipping Weight** g/L 690
Shipping Weight** lbs/ft3 43



** As per the backwashed and settled density of the resin, determined by ASTM D-2187.


For additional particle size information, please refer to the Particle Size Distribution Cross Reference Chart (40KB PDF).



®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow