| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulating material excellent in recyclability and a heat insulating property. <P>SOLUTION: The vacuum heat insulating material 10 includes: a core material 1 where a plurality of fiber aggregates made of an organic fiber are laminated; and an outer wrapping material 2 having a gas barrier property, which stores the core material, wherein the inside of the outer wrapping material 2 is vacuum and each of average fiber diameters of the facing fiber aggregates of the core material 1 varies. <P>COPYRIGHT: (C)2012,JPO&INPIT |
