Dow Water & Process Solutions

DOWEX™ UPCORE™ Mono A-625

A uniform particle size, strong base anion exchange resin specifically designed for layered anion beds in the UPCORE™ system.

Product Name	Type	Matrix	Functional Group
DOWEX UPCORE Mono A-625	Type I Strong Base Anion	Styrene-DVB, Gel	Quaternary Amine

Guaranteed Sales Specification	Units	Cl- Form
Total Exchange Capacity, min.	eq/L	1.2
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	26.2
Water Retention Capacity	%	50 - 56
Uniformity Coefficient		1.1 max.
Particle Size Distribution
Mean Particle Size	μm	670 ± 50
> 850 μm, max.	%	5
<300 μm, max. (50 mesh)	%	0.5
Whole Uncracked Beads, min.	%	90

Typical Physical and Chemical Properties	Units	Cl- Form
Total Swelling (Cl- → OH-)	%	20
Particle Density	g/mL	1.09
Shipping Weight**	g/L	670
Shipping Weight**	lbs/ft3	42

** 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).