| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas adsorption device and a vacuum insulating material including the same.SOLUTION: A gas adsorption device 5a includes at least a gas adsorption substance 9 which adsorbs nitrogen, and a metal housing container 11 which seals both sides of a housing part 10 for housing the gas adsorption substance 9 in a decompressed state, and includes a tightly attaching part 13 which is formed between at least either one of the sealing parts 12a, 12b of the housing container 11 and the housing part 10, wherein inner surfaces of the housing container 11 facing to each other are tightly adhered. |
