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Chemours' (formerly DuPont) Nafion™ N-424 is a perfluorosulfonic acid cation exchange membrane combining outstanding chemical resistance with a strong polytetrafluoroethylene fiber reinforcement. It is recommended for use in chloroalkali production and a variety of electrolytic processes. Nafion™-424 is 0.38mm (0.015in) thick.
Laboratory Cell (45cm² active area)*
|Cell Voltage (V)||Current Efficiency (%)||NaOH (%)|
*Conditions: 3mm gap, DSA anode, steel cathode, 90°C
Nafion™ N-424 is shipped in the "DRY" H+ form. "DRY" H+ membranes require simple pre-treatment in alkaline water. Refer to Nafion™ Technical Bulletin No. 93-01 for "DRY" H+ membrane pre-treatment.
Please Note: The side marked CATH must be installed facing the cathode, otherwise, the membranes will be irreversibly damaged in use. If your membrane is not marked simply feel/look at both sides of the membrane, the smoother/glossier side will be the cathode side.
Chemours does not currently provide much information about Nafion™ N424 besides the information we have listed on this page. The typical thickness of Nafion™ N424 is 0.015 inches.
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