Holding and sealing member and exhaust emission control device

摘要

A holding and sealing member for use in an exhaust emission control device is disclosed that holds an exhaust gas treatment member. The holding and sealing member comprises a sheet member that is made of inorganic fibers and has a first surface and a second surface. The first and second surfaces are corrugated such that the corrugation height of the first surface is greater than the corrugation height of the second surface.