| 摘要 |
<p>The present invention intends to provide a catalytic converter containing a holding and sealing mat material which facilitates work for mounting a catalyst carrier into a metallic shell and has an excellent cushioning performance and further, a diesel particulate filter system containing a holding and sealing mat material which facilitates work for mounting a diesel particulate filter into the metallic shell and has an excellent cushioning performance. Accordingly, the present inventionprovides acatalytic converter comprises a catalyst carrier, a metallic shell covering the outer face of the catalyst carrier and a holding and sealing mat material disposed between the catalyst carrier and the metallic shell, wherein the holding and sealing mat material comprises inorganic fiber mat subjected to needle punching in the density of 50-3,000 per 100 cm<2> thereof, and organic component which is largely over 0 and not more than 2 weight%, and wherein the holding and sealing mat material generates a surface pressure of 5-500kPa when heated to 300-1,000 DEG C under the filling bulk density of 0.15-0.45g/cm<3>. This holding and sealing mat material can also be used for a holding and sealing mat material for holding the diesel particulate filter. <IMAGE></p> |
