| 摘要 |
Multi-layered, flat or tube-like plastic food casing or covering (A), which is obtained by bell-type nozzle blow-molding process and biaxially-stretched by triple-bubble blow molding process, preferably for food packaging, comprises at least nine layers such as a first layer from the outside containing polyethylene terephthalate (PET)-; second, fourth and eighth layer containing an adhesion promoter-; third and ninth layer containing polyolefin, preferably polyethylene-; fifth and seventh layer containing polyamide (PA)-; and sixth layer containing ethyl vinyl alcohol as the layer component. |
