| abstract |
The present invention relates to a packaging covering film, a container, packaging and packaging product unit. In particular, the invention relates to a packaging covering film (10, 10A, 10B, 20, 20A, 20B) for sealing containers (30), especially containers with an aggressive filling material. Said film comprises an outer protective layer arrangement (2) and an outer barrier functional layer arrangement (1), said barrier functional layer arrangement (1) comprising: at least one aluminium layer (3), and at least one non-metallic functional layer. According to the invention, the non-metallic functional layer is a plastic functional layer (5). |