WaterSolutions DOWEX MONOSPHERE M-31 Catalyst Ion Exchange Resin

DOWEX™ MONOSPHERE™ M-31 is a high performance, uniform particle size catalyst.

Type	Matrix	Functional Group
Strong Acid Cation	Styrene-DVB, Macroporous	Sulfonic Acid

Typical Physical and Chemical Properties Not to be construed as Sales Specifications	Units
Physical Form		Hard opaque beads
Typical Surface Area	m²/g	30
Average Pore Diameter	Angstroms	220
Pore Volume	%	33
Water Retention Capacity	%	50 - 54 by wt.
Whole Beads	%	99 min.
Particle Size Distribution 400-650 microns Through 40 mesh	microns % %	575 ± 50 > 95 1 max.
Shipping Weight**	g/L lbs/ft³	766 48
Friability	avg. g/bead	400
Wet Volume Acid Capacity	meq/mL, min.	1.85
Dry Weight Acid Capacity	meq/mg, min.	5.0

Product Datasheet (PDF)
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