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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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Fumasep F-1850
Please note that this material has been discontinued and we are completely out of stock. Fuma..
Based on 1 reviews.

Fumasep F-10270-PTFE-e
Please note that this product has been discontinued and a limited amount of stock remains.  ..

Fumapem FS-715-RFS
Please note that avilable inventory is limited at this time. Fumapem FS-715-RFS membrane is p..
From $32.00
Based on 1 reviews.

Fumapem FS-930-RFS
Please note that this product has been discontinued and a limited amount of stock remains.  ..

Fumapem FS-930
Please note that this product has been discontinued and a limited amount of stock remains.  ..

Fumasep FS-720
Please note that this material has been discontinued. Limited stock remains (10cm x 10cm only). ..

Fumatech Cation Membrane Variety Kit
Our Fumatech Cation Membrane Variety Kits consist of one 10cm x 10cm piece of each of the followi..
$104.00

Fumasep FKS-PET-75
Fumasep FKS-PET-75 is a PET reinforced Cation Exchange Membrane (CEM) with low resistance, high s..
$176.00

Fumasep FS-950
Please note that this material has been discontinued. Limited stock remains. Fumasep FS-950 m..
Based on 1 reviews.

Fumasep FS-990-PK
Please note that this material has been discontinued and we are completely out of stock. Fuma..

Fumasep FS-9100-PK
Please note that this material has been discontinued. Limited stock remains. Fumasep FS-9100-..

Fumasep FKM
Fumasep FKM is a heterogeneous cation-exchange membrane – PP-reinforced – thickness 450 – 500 µm,..
From $29.00
Based on 1 reviews.

Aquivion® E87-05S
Fuel Cell Store does not carry this product as of April 13, 2021. Aquivion® membrane is used ..

Aquivion® E98-05S
Production of this membrane has been postponed until further notice. Aquivion® membrane is us..

Aquivion® E98-09S
Production of this membrane has been postponed until further notice. Aquivion® membrane is us..