| 摘要 |
<p>A ceramic honeycomb filter comprising a honeycomb structure having a large number of flow paths partitioned by porous cell walls; and plugs formed in the flow paths alternately on the exhaust gas inlet and outlet sides; the thickness W (mm) and permeability º (µm 2 ) of the cell wall and the length L (mm) and cross section area A (mm 2 ) perpendicular to the length direction of the flow path meeting the relations of 0.1 ‰¤ W ‰¤ 0.5, 8 ‰¤ º/W ‰¤ 26.7, and 125 ‰¤ L/A 0.5 ‰¤ 360.</p> |
