| 摘要 |
<p>An object of the present invention is to provide a mat member (10) that can prevent damages due to wind erosion and heat deterioration even when used for, for example, a muffler (70) or the like for automobiles, and is superior in handling characteristics, and the mat member (10) of the present invention includes:
inorganic fibers;
a first surface (13a) having a plurality of needle penetration marks (14) and/or a plurality of needle protrusion marks (15); and
a second surface (13b) opposite to the first surface (13a) having a plurality of needle protrusion marks (15) and/or a plurality of needle penetration marks (14), a plurality of needle marks (14,15) being formed in the mat member (10) by needle punching and extending from the needle penetration mark (14) to the needle protrusion mark (15), an inorganic fiber bundle (18) including a plurality of the inorganic fibers oriented in a closed loop configuration being formed at the needle protrusion mark (15).</p> |
