| 摘要 |
PROBLEM TO BE SOLVED: To provide a polylactic acid-based oriented film excellent in a gas barrier property and silence.SOLUTION: A polylactic acid-based oriented film mainly consists of a polylactic acid-based resin, and is characterized in that the value of a noise level measured by a method defined by the present specification is at most 85 dB, and the water vapor permeability is at most 2.0 g/m/day. |
