The Contact RFI is packaged with the materials of Polyurethane Foam, Nylon.The EMI/RFI operates normally at -40°C~70°C. Type Fabric Over Foam from the contacter RFI.As you may know, this RFI EMI comes from the well-known 51G series product line.
4L39AB51G01800 Features
Fabric Over Foam 51G series
4L39AB51G01800 Applications
There are a lot of Laird Technologies EMI 4L39AB51G01800 RFI and EMI Contacts applications.