DOWEX™ CM-4 is a strong acid cation exchange resin for catalyst applications.
 

Type Matrix Functional Group
Strong Acid Cation Polystyrene-DVB, Macroporous Sulfonate
 

Guaranteed Sales Specification Units H+ Form
Total Exchange Capacity, min.
 
eq/L
kgr/ft3 as CaCO3
0.65
14.2
Water Retention Capacity % 70 - 75
Particle Size Distribution
  1400 µm, max. (> 16 mesh)
  420 µm, max. (< 40 mesh)
 
%
%

8
3
Whole Beads, min. % 95
Color Throw, as packaged, max. APHA 40
Metals: sodium, dry basis, max. ppm 200
 

Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units H+ Form
Particle Density g/mL 1.20
Shipping Weight**
 
g/L
lbs/ft3
710
44
Conversion, min. % 95