Abstract: The invention relates to a metallised, coextruded, multi-layered, biaxially orientated polypropylene multi-layer film comprising a base layer containing vacuoles. Said base layer containing vacuoles is covered by one or several layers and the thickness of said covering layer or layers is, in total, at least 3 ?m and the film on the outer surface of said covered layer or layers are metallised and the metallised film has a water vapour permeability of =0.5 g/m2*day at 38° C and 90 % relative air humidity and oxygen permeability of =50 cm3/m2*day*bar at 23° C. and 50% relative air humidity.

Abstract: The invention relates to a multi-layer biaxially oriented polypropylene film consisting of a base layer at least one first cover layer. The base layer contains a hydrocarbon resin, and the cover layer contains a polydialkylsiloxane with a viscosity of at least 200,000 mm2/sec. The first cover layer is provided with a cold-seal adhesive coating on its outer surface.

Abstract: The invention relates to a multilayered biaxially oriented polypropylene film with a resin-containing base layer and at least one first covering layer having a cold sealing adhesive coating on its outer surface.