DOWEX™ MONOSPHERE™ C-400

Uniform particle size, strong acid cation exchange resin for applications with high salt efficiency.

Product Name Type Matrix Functional Group
DOWEX MONOSPHERE C-400 Strong Acid Cation Polystyrene-DVB, Gel Sulfonic Acid


Guaranteed Sales Specification Units Na+ Form
Total Exchange Capacity, min. eq/L 2.2
Total Exchange Capacity, min. kgr/ft3 as CaCO3 48.2
Water Retention Capacity % 38 - 45
Uniformity Coefficient 1.1
Particle Size Distribution
     Mean Particle Size μm 400 ± 50
     <200 μm, max. % 0.5


Typical Physical and Chemical Properties Units Na+ Form
Whole Uncracked Beads % 95 - 100
Total Swelling (Ca++ → Na+) % 4
Particle Density g/mL 1.30
Shipping Weight** g/L 830
Shipping Weight** lbs/ft3 51



** As per the backwashed and settled density of the resin, determined by ASTM D-2187.




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