Dow Water & Process Solutions

DOWEX™ HCR-W2

A high capacity strong acid cation exchange resin for mixed bed demineralization and condensate polishing applications.

Product Name	Type	Matrix	Functional Group
DOWEX HCR-W2	Strong Acid Cation	Styrene-DVB, Gel	Sulfonic Acid

Guaranteed Sales Specification	Units	H+ Form
Total Exchange Capacity, min.	eq/L	1.8
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	39.3
Water Retention Capacity	%	48 - 54
Particle Size Distribution
>1200 μm, max. (16 mesh)	%	2
<420 μm, max (40 mesh)	%	1
Whole Uncracked Beads, min.	%	95
Crush Strength
Average, min.	g/bead	350
>200 g/bead, min.	%	95
Trace metals, ppm dry resin, max.	Na Fe Cu Al Mg Ca 50 50 10 50 50 50

Typical Physical and Chemical Properties	Units	H+ Form
Total Swelling (Na+ → H+)	%	8
Particle Density	g/mL	1.22
Shipping Weight**	g/L	785
Shipping Weight**	lbs/ft3	49

** 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).