| abstract |
A multilayered film is provided, especially in form of a tubular film for use as preliner in trenchless sewage pipe renovation that uses the pipe lining process. The multilayered film has at least one layer (a), which contains at least a homo- or co-polyamide with a proportional weight expressed in percent of more than 25% by weight, preferably as external layer, as well as by at least one layer (b) containing at least one thermoplastic, if need be modified, olefin homo- or copolymer and/or by at least one layer (c) containing at least one thermoplastic elastomer (TPE). Various uses of the multilayered film according to the invention are suggested as well. |