HEXAGONAL-CELL HONEYCOMB CARRIER BODY AND HEXAGONAL-CELL HONEYCOMB CATALYST BODY

摘要

A hexagonal-cell honeycomb carrier body, made of cordierite ceramic, for use in a carrier of a catalyst of purifying exhaust gas is disclosed as including a large number of hexagonal cells surrounded with cell walls formed in a hexagonal lattice pattern and a cylindrical skin layer covering outer circumferential sidewalls of the hexagonal cells. The hexagonal-cell honeycomb carrier body has GSA (Geometric Surface Area) of 3.5 mmW or more. A hexagonal-cell honeycomb catalyst body comprises the hexagonal-cell honeycomb carrier body and a catalyst layer which covers a surface of the hexagonal-cell honeycomb carrier body.