| 摘要 |
A gas permeability control film having a barrier property against water, bacteria, and viruses, an oxygen gas permeation amount controlled to fall within the range of 103 to 107 cc/m2x24 hoursx25 DEG C., and a controlled carbon dioxide gas permeation amount. The gas permeability control film has an organic film in which non-through pores having an average opening width falling within the range of 0.5 mu m to 150 mu m are formed at a density of 500 to 200,000 pores/cm2.
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