| 摘要 |
PROBLEM TO BE SOLVED: To provide a heat insulating material which has improved heat resistance at a high temperature, and a method for manufacturing the heat insulating material.SOLUTION: A heat insulating material includes a dry pressure molding comprising alumina fine particles and a phosphorus compound. A method for manufacturing a heat insulating material, which is a method for producing a heat insulating material including a dry pressure molding comprising alumina fine particles, comprises obtaining the dry pressure molding of a mixed powder comprising the alumina fine particles and the phosphorus compound. |
