| abstract |
A cordierite ceramic comprising a cordierite crystal phase as a main crystal phase, Mg is 13.2 mass % or more and 13.8 mass % or less in terms of MgO, and Al is 26.0 mass % or more and 32.1 mass % or less in terms of Al 2 O 3 , Bi is 1.6 mass % or more and 4.6 mass % or less in terms of Bi 2 O 3 , B is 1.5 mass % or more and 6.8 mass % or less in terms of B 2 O 3 , and Si is 49.4 mass % or more and 51.4 mass % in terms of SiO 2 the following. |