| 摘要 |
A honeycomb structural body comprising: a ceramic block having a flat shape in which a plurality of honeycomb units are bonded to each other through a sealing material layer, said honeycomb unit mainly comprises porous ceramic and includes a large number of through holes placed in parallel with one another in a longitudinal direction with a partition wall interposed therebetween; and a sealing material layer formed on a peripheral portion thereof, wherein the sealing material layer among the honeycomb units on a cross section perpendicular to the longitudinal direction has a pattern that is formed in a diagonal direction with respect to a major axis of a shape forming a contour of the cross section.
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