| 摘要 |
<p>A honeycomb structure comprising a honeycomb unit having multiple through-holes laid parallelly in its longitudinal direction with a cell wall interposed therebetween, the honeycomb unit containing inorganic particles and an inorganic binder, wherein each of both end faces substantially perpendicular to the longitudinal direction has a roundness of 1.5 to 4.0 mm, and wherein the roundness of one of the both end faces is different from that of the other end face.</p> |
