| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulating material securing the reliability by enhancing heat insulating performance and a refrigerator using the same. <P>SOLUTION: In the heat insulating material having a core material comprising a fiber laminate, a multilayer wrapping material covering the core material, the wrapping material has the vapor deposited layer and has multi layers in which one side (wrapping material 34) is different from the other side (wrapping material 35), the oxygen permeability of the wrapping material is ≤0.01 cc/m<SP POS="POST">2</SP>day atm and the vapor permeability of the same is ≤0.1 g/m<SP POS="POST">2</SP>day. <P>COPYRIGHT: (C)2012,JPO&INPIT |
