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WaterSolutions DOWEX MARATHON MR-3 Mixed Ion Exchange Resin

DOWEX™ MARATHON™ MR-3 is a uniform particle size, high capacity, mixed ion exchange resin for demineralization.

Type	Matrix	Functional Group
1 : 1 by equivalent, cation : anion	Styrene-DVB, Gel	Sulfonic Acid and Quaternary Amine

Guaranteed Sales Specification	Units	OH^- Form	H⁺ Form
Total Exchange Capacity, min.	eq/L kgr/ft³ as CaCO₃	1.0 21.9	1.9 41.5
Water Retention Capacity	%	60 - 72	46 - 51
Uniformity Coefficient		1.1 max.	1.1 max.
Whole Uncracked Beads, min.	%	90	90

Typical Physical and Chemical Properties Not to be construed as Sales Specifications	Units	OH^- Form	H⁺ Form
Mean Particle Size	µm	610 ± 50	760 ± 50
Particle Density	g/mL	1.06	1.22
Shipping Weight** (mixed resin form)	g/L lbs/ft³	672 42

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