Holding sealer, exhaust gas processing device and manufacturing method of the same

摘要

A holding sealer (24) holds an exhaust gas processing body that is not broken at the time of use in an exhaust gas processing device having the exhaust gas processing body having a low isostatic strength and also which can hold the exhaust gas processing body appropriately at the time of use.
The holding sealer (24) comprises inorganic fibers, and the holding sealer has a first surface (80) and a second surface, wherein the first surface has ditch-shaped structures (300).