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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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