| 摘要 |
A holding sealer for an exhaust gas purifying device includes a sheet member including inorganic fibers and having a first surface and a second surface substantially facing each other and perpendicular to a direction of thickness of the sheet member. At least one of the first and second surfaces has a profile including projecting portions and depressed portions. The projecting and depressed portions of the profile have a maximum difference, h. The h satisfies about 0.4 mm≦̸h≦̸9 mm.
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