| abstract |
The present invention relates to a multilayer film with tear propagation resistance of at least 300 mN for a total layer thickness of 45 µm and shrinkage of <span lang=EN-GB style='font-family:Symbol; color:navy'>£</span> 1% at 120°C (both in MD and in CD) with release properties comprising a layer (a), preferably in the form of a surface layer, based on at least one propylene copolymer, at least one internal layer (b) based on at least one olefin/alkyl (meth)acrylate copolymer, a layer (c), preferably in the form of the second surface layer, based on at least one propylene copolymer and optionally adhesion-promoter layers (d) and (e), where at least one of the surface layers has been modified to provide release, use of the multilayer release film as removable protective and/or release film, a sealing web comprising said multilayer film, and use of said web for roof sealing. |