Hydrogen - O-ring assembly for gaz connexion

Proven technology for critical environments

The KRYTOX® lubricants offered by Samaro are BAM-approved (Federal Institute for Materials Research and Testing – Germany) and qualified by Air Liquide for use in industrial gas systems, including hydrogen and oxygen service.

These gas joint connection greases provide:

• Exceptional sealing performance, even under high pressure


• Total chemical compatibility with reactive gases such as hydrogen (H₂) and oxygen (O₂)


• No VOCs, no hydrocarbons, no silicones


• No auto-ignition temperature – safe for oxygen service


• Direct reapplication, unlike PTFE tape, which must be removed before reuse


• Broad material compatibility with PTFE, EPDM, FKM, and more

Typical applications in hydrogen systems

These greases for gas joint connections are commonly used in:

• Threaded fittings and gas connectors in high-pressure hydrogen circuits


• Valves, regulators, check valves, and flow control systems


• Hydrogen storage, distribution, and refueling infrastructure


• Fuel cells, electrolyzers, and H₂ production equipment