Kammprofile gasket  consists of a concentrically serrated solid metal core with a soft conformable sealing layer bonded to each face. The layer can be expanded graphite, ptfe, asbesots free gasket sheeting material or some soft metal. It features excellent compressibility and good recovery characteristics. The gasket mainly suits for vacuum and extremely high pressure applications. It can an be refurbished and reused and has better leak tightness than spiral wound gaskets.