DOWEX™ MB-40

A ready-for-use non-regenerable mixed bed resin for production of high quality water in lab and industrial applications.

Product Name Type Matrix Functional Group
DOWEX MB-40 1:1 by volume, cation:anion Styrene-DVB, Gel Sulfonic Acid, Quaternary Amine


Guaranteed Sales Specification Units OH- Form H+ Form
Total Exchange Capacity, min. eq/L 0.8 1.5
Total Exchange Capacity, min. kgr/ft3 as CaCO3 17.5 32.8
Water Retention Capacity % 70 max. 40 - 60
Particle Size Distribution
     300 μm - 1200 μm, min. (50 mesh - 16 mesh) % 80 80
Conversion (OH), min. % 90 ----


Typical Physical and Chemical Properties Units OH- Form H+ Form
Particle Density g/mL 1.08 1.22
Shipping Weight** g/L 720 720
Shipping Weight** lbs/ft3 45 45



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


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