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Cation Exchange Membranes

Cation Exchange Membranes are proton-conductive polymer film, also known as electrolyte or ionomer, that allow only protons to cross-over (cation exchange), the key function of proton exchange membrane fuel cells and water electrolyzers.

Basically, cation exchange membranes perform as a separator and solid electrolyte in a variety of electrochemical cells that require the membrane to selectively transport cations across the cell junction.  The polymer is chemically resistant and durable.

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Nafion™ 211
Nafion™ Membrane is used to separate the anode and cathode compartment of Proton Exchange Membran..
From $22.00
Based on 13 reviews.

Nafion™ XL
Please note that Nafion™ XL has been discontinued by Chemours and only limited supplies are avail..
From $34.00
Based on 2 reviews.

Fumasep FKS-PET-130
Fumasep FKS-PET-130 is a PET reinforced Cation Exchange Membrane (CEM) with low resistance, high ..
From $19.00

Nafion™ 212
Nafion™ Membrane is used to separate the anode and cathode compartment of Proton Exchange Membran..
From $22.00
Based on 13 reviews.

Nafion™ NE1035
Please note that NE1035 has been discontinued by Chemours and only limited supplies are available..

Nafion™ 115
Nafion™ Membrane is used to separate the anode and cathode compartment of Proton Exchange Membran..
From $28.00
Based on 17 reviews.

Fumasep FKB-PK-130
Fumasep FKB-PK-130 is a PEEK reinforced Cation Exchange Membrane (CEM) with low resistance, high ..
From $21.00

Nafion™ 117
Nafion™ Membrane is used to separate the anode and cathode compartment of Proton Exchange Membran..
From $33.00
Based on 27 reviews.

Fumasep FKL-PK-130
Fumasep FKL-PK-130 is a PK reinforced Cation Exchange Membrane (CEM) with high hydroxyl blocking ..
From $21.00

Nafion™ 1110
Chemours (formerly DuPont) Nafion™ 1110 membranes are non-reinforced cation exchange membrane fil..
From $49.00
Based on 2 reviews.

Fumasep FBM - Bipolar Membrane
Fumasep FBM Bipolar Exchange Membrane with PK reinforcement consists of an anion exchange layer a..
$190.00
Based on 2 reviews.

Nafion™ N324, Teflon™ Fabric Reinforced
Chemours' (formerly DuPont) Nafion™ N-324 is a perfluorosulfonic acid cation exchange membrane co..
From $75.00
Based on 5 reviews.

Fumasep FKS-30
Fumasep FKS-30 is a non-reinforced Cation Exchange Membrane (CEM) with very low resistance, high ..
From $15.00
Based on 1 reviews.

Nafion™ N424, Teflon™ Fabric Reinforced
Chemours' (formerly DuPont) Nafion™ N-424 is a perfluorosulfonic acid cation exchange membrane co..
From $83.00
Based on 2 reviews.

Nafion™ N438, Teflon™ Fabric Reinforced
Chemours (formerly DuPont) Nafion™ N438 is a new product in the 400 series family. This membrane ..
From $89.00