| 摘要 |
Cordierite ceramic honeycomb consisting mainly of cordierite in crystal phase and containing not more than 20% by weight of at least one crystal selected from the group consisting of spinel, mullite and corundum and having a thermal expansion coefficient at a temperature range of 25 DEG -1,000 DEG C. being less than 22x10-7 (1/ DEG C.). |
