Abstract: A gasket arrangement comprises a sealing part for sealing between two heat transfer plates, which each comprises a number >1 of port holes. An attachment part is arranged to attach the gasket arrangement to one of the heat transfer plates. The sealing part comprises an annular outer sealing portion arranged to extend along at least a part of a respective outer edge of the heat transfer plates and enclose the portholes, and an annular inner sealing portion enclosed by the outer sealing portion and arranged to enclose at least one of the port holes. The attachment part is enclosed by the outer sealing portion, is arranged on an outside of the inner sealing portion and comprises a fastening attachment portion arranged to be fastened to a first side of the one of the heat transfer plates by an adhesive mechanism.

Abstract: A packaging material is provided, comprising a set of crease lines (10, 10?) along which the packaging material is intended to be folded in order to form a package. The set of crease lines (10, 10?) comprises at least one first crease line (10a, 10?a) being configured to fold easier than an adjacent second crease line (10b, 10?b). The said crease lines are intended to define a corner surface of the package.