| 摘要 |
PROBLEM TO BE SOLVED: To provide a film for storing feed crop, excellent in gas permeability and strength while retaining water resistance, and capable of retarding the decay of the crop stored. SOLUTION: The film is a porous film having fine pores and made of a thermoplastic resin, with the resin containing not less than 1 wt.% of a polyolefin having a chain length of not less than 2,850 nm. |
