Mat member and exhaust gas processing apparatus

摘要

This disclosure relates to a mat member including an inorganic fiber, an organic binder, and a material which expands at a temperature of 130°C to 200°C. This disclosure further relates to an exhaust gas processing apparatus comprising: an exhaust gas processing body having an inlet and an outlet for an exhaust gas; a holding seal member provided around at least a portion of an outer peripheral surface of the exhaust gas processing body, excluding the inlet and the outlet; a tubular casing configured to accommodate the exhaust gas processing body provided with the holding seal member, wherein the holding seal member is formed by a mat member as described above.