DOWEX™ MONOSPHERE™ MR-3 UPW is a uniform particle size mixed bed ion exchange resin for ultrapure water production.
 

Type Matrix Functional Group
Mixed Bed Styrene-DVB, Gel Sulfonic Acid and Quaternary Ammonium


 

Guaranteed Sales Specification Units OH- Form H+ Form
Total Exchange Capacity, min.
 
eq/L
kgr/ft3 as CaCO3
1.0
21.9
1.9
41.5
Water Retention Capacity % 55 - 65 46 - 51
Uniformity Coefficient   1.1 max. 1.1 max.
Particle Size Distribution
  Mean Particle Size

µm

590 ± 50

650 ± 50
Whole Uncracked Beads, min. % 95 95
Crush Strength
  Average, min.
  > 200 g/bead, min.

g/bead
%

350
95

500
95
  
 
Typical Physical and Chemical Properties
Not to be construed as Sales Specifications
Units OH- Form H+ Form
Particle Density g/mL 1.08 1.22
Shipping Weight** (mixed resin form)
 
g/L
lbs/ft3
689
43

Note*: Resin ratio of anion to cation is volumetrically optimized to achieve maximum removal of boron and silica.

Literature

Literature & Manuals

Technical Documents
Product Datasheet (PDF)
English (72KB) | Chinese (137KB)

Case Histories
LED Manufacturer Combines UPCORE™ Packed Bed and FILMTEC™ RO Systems for Reliable Ultrapure Water Production (PDF)
English (245KB)