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Acrylic Type DIAION™ WK40L

WK40L is a weak acid cation exchange resin with carboxylic acid functionality based on a porous acrylic polymer matrix. It has a pK value of approximately 5.3. The acrylic type WK40L resin has a higher total capacity than methacrylic type resins. It is mainly used for water treatment applications for the removal of hardness ions in the presence of bicarbonate alkalinity.

Grade Name DIAIONTM
WK10
DIAIONTM
WK11
DIAIONTM
WT01S
DIAIONTM
WK40L
Chemical Structure
Whole Bead Count 95 min.
Shipping Density
(g/L: approx.)
635 660 750 765
Salt Splitting Capacity
(meq/mL-R)
2.5 min 2.9 min 3.0 min 4.4 min
Water Content
(%)
53 – 59 45 – 52 45 – 55 41 – 48
Particle Size Distribution
on 1180 μm (%)
through 300 μm (%)
through 425 μm (%)
5 max.
1 max.
300 – 1060μm
85 % min.
10 % max.

3 % max.
Effective Size (mm) 0.40 min. 0.10 – 0.14 0.45 min
Uniformity Coefficient 1.6 max.
Effective pH Range 5 – 14 4 – 14
Operating Temperature (℃) 150 max. 120 max.
Clear
Additional Information
Product

DIAION™ WK40L

Packaging

25 L bag, 1 cubic ft bag, 7 cubic ft bag, 200 L drum