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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 HP
Please note that Nafion HP has been discontinued by Chemours and only limited supplies are availa..
From $34.00

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 availa..
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 ..
$98.00

Nafion 212
Nafion® Membrane is used to separate the anode and cathode compartment of Proton Exchange Membran..
From $22.00
Based on 11 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 Membrane..
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 $24.00

Nafion 117
Nafion Membrane is used to separate the anode and cathode compartment of Proton Exchange Membrane..
From $33.00
Based on 25 reviews.

Fumasep FKL-PK-130
Fumasep FKL-PK-130 is a PK reinforced Cation Exchange Membrane (CEM) with high hydroxyl blocking ..
$131.00

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 ..
$80.00
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.