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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 FKS-PET-130
Fumasep FKS-PET-130 is a PET reinforced Cation Exchange Membrane (CEM) with low resistance, high ..
From $30.00
Based on 1 reviews.

Fumasep FKB-PK-130
Fumasep FKB-PK-130 is a PEEK reinforced Cation Exchange Membrane (CEM) with low resistance, high ..
From $31.00
Based on 2 reviews.

Fumasep FKL-PK-130
Fumasep FKL-PK-130 is a PK reinforced Cation Exchange Membrane (CEM) with high hydroxyl blocking ..
From $31.00

Fumasep FBM - Bipolar Membrane
Please note that avilable inventory is limited at this time. Fumasep FBM Bipolar Exchange Mem..
$313.00
Based on 7 reviews.

Fumasep FKS-30
Please note that 20x30cm size is out of stock and not expected to arrive until December 2023. ..
From $24.00
Based on 1 reviews.

Fumasep FKS-50
Fumasep FKS-50 is a non-reinforced Cation Exchange Membrane (CEM) with very low resistance, high ..
From $26.00
Based on 1 reviews.

Fumasep FKE-50
Please note that this material has bee discontinued and we are completely out of stock. Fumas..

Fumasep FKD-PK-75
Fumasep FKD-PK-75 is a PK reinforced Cation Exchange Membrane (CEM) with low resistance, high sel..
From $29.00

Fumapem F-950
Please note that this material has been discontinued. We are completely out of stock.  &..

Fumapem F-14100
Fumapem F-14100 membrane is a non-reinforced Per-Fluorinated Sulfonic Acid (PFSA) / PTFE copolyme..

Fumasep F-1075-PK
Please note that this material has been discontinued. Limited stock remains. Fumasep F-1075-P..

Fumasep F-10120-PK
Please note that this material has been discontinued and we are completely out of stock. Fuma..

Fumasep F-10150-PF
Please note that this material has been discontinued. Limited stock remains. Fumasep F-10150-..

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

Fumasep F-930-RFD
Please note that this product has been discontinued and a limited amount of stock remains.  ..