| 摘要 |
A mat member (30) characterized in that the inorganic fibers are hard to be scattered, and when actually used in an exhaust gas treatment apparatus, a smaller amount of organic component are exhausted from the apparatus is disclosed. The mat member (30) includes a base member (340) including inorganic fibers and having first and second main surfaces (210 and 260) and a sheet member (310,360) disposed on at least one of the first and the second main surfaces, wherein an opening is formed on at least a part of a surface of the sheet member. |
