| 摘要 |
<p>The tubular bag for packing aggressive fillers, salt snacks, chips, hard cheese, cereals, muesli, powder mixtures for beverages, pastries, ground coffee, coffee beans and sugar confectionery, comprises a multi-layered film. A part of the layers of the multi-layered film is a 3B-film having an inner layer, a core layer, an outer layer and a maximum shrinkage degree of no more than 1%. The 3B-film is coated with a further layer in curtain process or in slot die coating process. The 3B-film and/or the further layer are printed and/or are provided with thermo protective lacquer. The tubular bag for packing aggressive fillers, salt snacks, chips, hard cheese, cereals, muesli, powder mixtures for beverages, pastries, ground coffee, coffee beans and sugar confectionery, comprises a multi-layered film. A part of the layers of the multi-layered film is a 3B-film having an inner layer, a core layer, an outer layer and a maximum shrinkage degree of no more than 1%. The 3B-film is coated with a further layer in curtain process or in slot die coating process. The 3B-film and/or the further layer are printed and/or are provided with thermo protective lacquer and consist of complete biodegradable polymers. The inner layer is a heat-sealing layer.</p> |
