LeaderTech CFS Conductive Foam Shielding is made of Nickel-Copper polyurethane foam layered between two pieces of conductive polyester fabric. The CFS series offers a 60dB typical 10MHz to 3GHz shielding effectiveness and -40°C to +70°C operating temperature range. LeaderTech CFS Conductive Foam is ideal for applications that require low compression forces but excellent shielding effectiveness.