DOWEX MAC-3 LB

A macroporous weak acid cation exchange resin for water softening, dealkalization, and demineralization in layered bed applications.

Product Name Type Matrix Functional Group
DOWEX MAC-3 LB Weak Acid Cation Polyacrylic, Macroporous Carboxylic Acid


Guaranteed Sales Specification Units H+ Form
Total Exchange Capacity, min. eq/l 3.8
Total Exchange Capacity, min. kgr/ft3 as CaCO3 83.0
Water Retention Capacity % 42 - 52
Particle Size Distribution
> 840 μm, max. % 3
<300 μm, max. (50 mesh) % 3


Typical Physical and Chemical Properties Units H+ Form
Total Swelling (H+ → Ca+) % 15
Particle Density, approx. g/ml 1.18
Shipping Weight, approx. g/l 750
Shipping Weight, approx. lbs/ft3 45




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