| 摘要 |
PROBLEM TO BE SOLVED: To provide a mold packaging bag which can prevent the mold from getting rusty to allow the mold to be preserved for a long term. SOLUTION: A storage section 2 for receiving inside a mold W and vaporizable anticorrosive agents 29, 30 to be sealed is formed of a sheet material X. The sheet material X includes a non-permeable layer 26 on an external face and also a moisture absorbing layer 27 on an internal face. A thread material 28 having water absorbing ability which is sewn in a plurality of strings through the moisture absorbing layer 27 and the non-permeable layer 26 and exposed on the internal and external faces of the sheet material X diffuses moisture inside a package which has been adsorbed in the layer 27 to an atmosphere.
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