| 摘要 |
A heat-shrinkable three-layer polyethylene film usable for packaging containers of beverages or other liquids, having a thickness of less than 50 µm, in which the central layer is made of bimodal LLDPE polyethylene in which the ratio between MFI at 190 °C, 21.6 kg and MFI at 190 °C, 5 kg ranges from 20 to 30, the film having a density of 0.920-0.935 g/cm 3 . |
