There are materials in the Contact RFI package from Conductive Elastomer.It is possible for the EMI/RFI to function normally at -62°C~260°C.A type of Gasket is provided by the contacter RFI.
8200-9010-83 Features
Gasket
8200-9010-83 Applications
There are a lot of Leader Tech Inc. 8200-9010-83 RFI and EMI Contacts applications.