| 摘要 |
PROBLEM TO BE SOLVED: To provide a co-extruded composite film which has superior breakage resistance at the time of falling after the composite film is filled with a liquid, has excellent gas barrier properties, has superior pinhole resistance and the like, and is adequately used for a package for a liquid beverage such as mineral water and juice.SOLUTION: This composite film for packing a liquid beverage is the co-extruded composite film which has an outermost layer made of a polyethylene resin, an intermediate layer made of a polyamide resin and an innermost layer made of a polyethylene resin. The whole film thickness of the composite film is in a range of 60-200 μm, and a thickness of the layer made of the polyamide resin is in a range of 10-40 μm. |
