Dow Water & Process Solutions

DOWEX™ MONOSPHERE™ MP-525C (H)

Uniform particle size macroporous strong acid cation exchange resin for mixed bed demineralization and condensate polishing applications.

Product Name	Type	Matrix	Functional Group
DOWEX MONOSPHERE MP-525C (H)	Strong Acid Cation	Styrene-DVB, Macroporous	Sulfonic Acid

Guaranteed Sales Specification	Units	H+ Form
Total Exchange Capacity, min.	eq/L	1.6
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	35.0
Water Retention Capacity	%	50 - 54
Uniformity Coefficient		1.10 max.
Particle Size Distribution
Mean Particle Size	μm	500 ± 50
<300 μm, max. (50 mesh)	%	1
Whole 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 100 50 50 50

Typical Physical and Chemical Properties	Units	H+ Form
Total Swelling (Na+ → H+)	%	4
Particle Density	g/mL	1.18
Shipping Weight**	g/L	760
Shipping Weight**	lbs/ft3	47
Heavy metals (as Pb)	ppm dry resin, max.	20

** 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).