Hydrogen sealing solutions

Trelleborg Sealing Solutions’ H2Pro range includes two new materials specially engineered for hydrogen applications. H2Pro EBT25 is a new EPDM for high-pressure environments across a wide range of temperatures, and Zurcon H2Pro ZLT is a unique TPU for very low temperatures. Zurcon H2Pro ZLT has very low permeability and displays an ability to withstand RGD. It has a wide operating service temperature range, with outstanding low-temperature capabilities, displays excellent extrusion and wear-resistance properties, and is compliant with Regulation (EC) 79/2009, SAE J2600, and ANSI CHMC 2. It can be produced as O-Rings for static sealing on valves, filters, refueling nozzles, pumps, connectors, and fittings, and as U-Cups for static and dynamic applications such as valve stems, actuators, and regulators. H2Pro EBT25 demonstrates an ability to withstand RGD, and features low permeability, a wide operating service temperature range, 85 Shore A hardness, and excellent extrusion resistance. It is compliant with Regulation (EC) 79/2009, SAE J2600, and ANSI CHMC 2, and can be manufactured as O-Rings for static sealing on valves, filters, refueling nozzles, pumps, connectors and fittings, and custom molded parts for flanges and face sealing.

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