There are materials in the Contact RFI package from Polyurethane Foam, Nickel-Copper Polyester (NI/CU).It is possible for the EMI/RFI to function normally at -40°C~70°C.A type of Fabric Over Foam is provided by the contacter RFI.The RFI EMI comes from the well-known 51K series.
4833AC51K06225 Features
Fabric Over Foam 51K series
4833AC51K06225 Applications
There are a lot of Laird Technologies EMI 4833AC51K06225 RFI and EMI Contacts applications.