Dow Water & Process Solutions

DOWEX™ MSA-2

A macroporous, Type II strong base anion exchange resin for water demineralization applications.

Product Name	Type	Matrix	Functional Group
DOWEX MSA-2	Type II Strong Base Anion	Styrene-DVB, Macroporous	Dimethylethanol Amine

Guaranteed Sales Specification	Units	Cl- Form
Total Exchange Capacity, min.	eq/L	1.1
Total Exchange Capacity, min.	kgr/ft3 as CaCO3	24.0
Particle Size Distribution
300 μm - 1200 μm, min. (50 mesh - 16 mesh)	%	90

Typical Physical and Chemical Properties	Units	Cl- Form
Water Retention Capacity	%	48 - 56
Total Swelling (Cl- → OH-), approx.	%	10
Particle Density	g/mL	1.07
Shipping Weight**	g/L	670
Shipping Weight**	lbs/ft3	42

** 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).