| 摘要 |
This insulator (10A-10C) is provided with a core material (11), a sheathing material (12), and a gas adsorbing material (20A-20D). The core material (11) retains a space. Enclosed in the sheathing material (12), which has gas barrier properties, is the core material (11) in a depressurized sealed state. The gas adsorbing material (20A-20D) is enclosed inside the sheathing material (12) together with the core material (11). The gas adsorbing material (20A-20D) is a copper ion exchange ZSM-5 type zeolite compact (21) containing ZSM-5 type zeolite obtained by copper ion exchange, and is molded such that the density of the zeolite is higher than the density of the core material (11) in the depressurized sealed state inside the sheathing material (12). |
