Brian: Spira is a company in North Hollywood, CA, whose primary product is a soft- core, compressible material spirally wrapped with a conductive metal. The product has a trade name of Flexi-Shield. Different cores and metals are available. You can reach them at (818)764-8222 for a free design guide and sample kit.
They claim superior sealing for sliding applications (e.g., VME front/rear panels). Mike Conn
