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42179 Nafion® N-115 membrane, 0.125mm thick, ≥0.90 meq/g exchange capacity

CAS Number
Perfluorosulfonic acid-PTFE copolymer

Stock No. Size Price ($) Quantity Availability
42179-VA 15x15cm 118.00
42179-RF 30x30cm 371.00
42179-4X 60x60cm 1087.00
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Nafion® N-115 membrane, 0.125mm thick, ≥0.90 meq/g exchange capacity


Chemical Properties

Storage & Sensitivity
Hygroscopic. Ambient temperatures.
Insoluble in water.


Nafion|r N-115 membrane is widely used for proton exchange membrane (PEM) fuel cells and water electrolyzers. It is a popular separator in electrochemical cells requiring high ionic conductivity such as fuel cells and water electrolyzers. The acidic (hydrogen ion) form and derivatives are solid, superacid catalysts useful in a wide variety of synthetic applications.


Nominally 125 microns thickIncompatible with strong oxidizing agents and strong acids.

Literature References

Li, G.; Pickup, P. G. Measurement of single electrode potentials and impedances in hydrogen and direct methanol PEM fuel cells. Electrochim. Acta 2004, 49 (24), 4119-4126.

Zhang, Z.; Jia, L. Parametric study of the porous cathode in the PEM fuel cell. Int. J. Energy Res. 2009, 33 (1), 52-61.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c

Wash face, hands and any exposed skin thoroughly after handling Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF ON SKIN: Wash with plenty of soap and water. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Call a POISON CENTER or doctor/physician if you feel unwell. If skin irritation occurs: Get medical advice/attention. Take off contaminated clothing and wash before reuse. Dispose of contents/ container to an approved waste disposal plant

Other References

Harmonized Tariff Code


  • A11662

    Potassium chloride, 99%
  • A11944

    Antimony(III) chloride, 99+%
  • 12209

    Sodium molybdenum oxide, anhydrous, Mo 46.2%
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    Nafion® NRE-212 membrane, 0.05mm thick, ≥0.92 meq/g exchange capacity

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