| 摘要 |
A polyolefin blown or slot cast monolayer or multilayer stretch film useful as a trayed overwrap e.g. for fresh red meat includes at least three layers in the multilayer embodiment each of which contains an ethylene alpha-olefin copolymer having a density below 0.915 g/cm3 and having a melting point of at least 90.degree.C with at least one outer layer and preferably also the first outer layer or the core layer having a second ethylene alpha olefin copolymer having a melting point less than 80.degree.C blended therein. |
