Cation Exchange Membrane

Technical  Specification

CE1  (Single Sheet)

Functionality

Strong Acid Cation Exchange Membrane

Polymer Structure

Gel polystyrene cross linked with divinylbenzene

Functional Group

Sulphonic Acid

Ionic Form as Shipped

Sodium

Color

Brown

Standard Size

: US

48in x 120in

: Metric

1.2m x 3.1m

Standard Thickness

(mils)

18±1

(mm)

0.45±0.025

Electrical Resistance (Ohm.cm2)

<30

0.5 mol/L NaCl

Permselectivity (%) 

94

0.1 mol KCl/kg / 0.5 mol KCl/kg

Total Exchange Capacity (meq/g)

1.6±0.1

Water Permeability 

<3

(ml/hr/ft2) @5psi

Mullen Burst Test strength (psi)

>80

Thermal Stability (^oC)

90

Chemical Stability Range (pH)

1-10

Preconditioning Procedure

Membranes should be preconditioned by emersion in a 5% NaCl solution at 40oC for 24 hours to allow for membrane hydration and expansion.