DOWEX MONOSPHERE 550A UPW (OH)

A uniform particle size strong base anion resin for single or mixed bed demineralization for ultrapure water production.

Product Name Type Matrix Functional Group
DOWEX MONOSPHERE 550A UPW (OH) Strong Base Anion Styrene-DVB, Gel Quaternary Ammonium


Guaranteed Sales Specification Units OH- Form
Total Exchange Capacity, min. eq/L 1.0
Total Exchange Capacity, min. kgr/ft3 as CaCO3 21.9
Water Retention Capacity % 55 - 65
Uniformity Coefficient 1.1 max.
Particle Size Distribution
     Mean Particle Size μm 590 ± 50
Whole Uncracked Beads, min. % 95
Crush Strength
     Average, min. g/bead 350
     >200 g/bead, min. % 95


Typical Physical and Chemical Properties Units OH- Form
Particle Density, approx. g/mL 1.08
Shipping Weight, approx. g/L 657
Shipping Weight, approx. lbs/ft3 41


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