There are materials in the Contact RFI package from Conductive Elastomer.It is possible for the EMI/RFI to function normally at -29°C~66°C.A type of Gasket is provided by the contacter RFI.
19-04-14206-1298 Features
Gasket
19-04-14206-1298 Applications
There are a lot of Parker Chomerics 19-04-14206-1298 RFI and EMI Contacts applications.