Hydrophobic Polyethersulfone Membranes

Fast Air Filtration and Outstanding Gamma Compatibility

Our new hydrophobic PES membranes assure rapid venting at low differential pressure even under high humidity or high moisture. The combination of excellent air permeability and superior gamma stability make them a very efficient and powerful alternative to PTFE. As your OEM membrane solutions partner, we support you finding the best membrane filter for your high-quality venting products including medical devices.

Increased Process and Product Security

With reliable sterile venting and condensate blockage, the membrane serves as a barrier against contamination.

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Truly Repel All Fluids

Hydrophobic and oleophobic PES membranes for air & gas filtration are available with two different surface characteristics. 

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Leading PES Membrane Technology

Quality Made in Germany

All Sartorius Stedim Biotech PES membranes are manufactured in our premier production facility in Göttingen, Germany according to an ISO 9001 certified Quality Management System. Backed by many decades of experience in membrane manufacturing and utilizing the most state-of-the-art production equipment on the market, we guarantee excellent performance, consistent quality and a reliable supply of our membrane products.

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Microporous PES Membranes - High Efficiency Membranes for Filtration and Venting Applications

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