DOWEX MARATHON MR-3

Uniform particle size, high capacity, mixed ion exchange resin for demineralization.

Product Name	Type	Matrix	Functional Group
DOWEX MARATHON MR-3	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	1.0	1.9
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	21.9	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	Units	OH- Form	H+ Form
Mean Particle Size	μm	610 ± 50	760 ± 50
Particle Density, approx.	g/mL	1.06	1.22
Shipping Weight, approx. (mixed resin form)	g/L	----	----	672
Shipping Weight, approx. (mixed resin form)	lbs/ft3	----	----	42

For additional particle size information, please refer to the Particle Size Distribution Cross Reference Chart (40KB PDF).