DOWEX MARATHON 650C (H)

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

Product Name Type Matrix Functional Group
DOWEX MARATHON 650C (H) Strong Acid Cation Styrene-DVB, Gel Sulfonic Acid


Guaranteed Sales Specification Units H+ Form
Total Exchange Capacity, min. eq/L 2.0
Total Exchange Capacity, min. kgr/ft3 as CaCO3 43.7
Water Retention Capacity % 46 - 51
Particle Size Distribution
     Mean Particle Size μm 650 ± 50
     Uniformity Coefficient, max. 1.1
Ion Conversion, min.* % 99.5


Typical Physical and Chemical Properties Units H+ Form
Total Swelling (Na+ → H+) % 7
Whole uncracked beads, min. % 95
Particle Density g/mL 1.22
Shipping Weight, approx. g/L 785
Shipping Weight, approx. lbs/ft3 49
Crush Strength
     Average, min. g/bead 500
     > 200 g/bead, min. % 95



* Certified Conformance



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



®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow