Sustainion^® Anion Exchange Membrane with a dry thickness at above 50 microns. They are moderately basic and designed for use with supporting electrolyte. Dioxide Materials has optimized them for use in alkaline water electrolyzers and in CO₂ electrolyzers as described in Kutz et al. Energy Technology 5, 929-936 (2017) and Masel et al. ECS Transactions, 75 (14) 1143-1146 (2016).
See also patents 9,370,773, 9,481,939.

The membranes are shipped with an ethylene glycol plasticizer to prevent cracking. The plasticizer is designed to wash out during activation.

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Due to recent high customer demand and supply chain issues, you may experience a longer wait for this product. Dioxide Materials team is making the best effort to resolve it quickly. Thanks for your patience and support!