Corrugated cardboard for packaging sticky materials e.g. bitumen, has outer layer consisting of paper laminated with siliconized polyester film with the aid of heat-resistant adhesive

摘要

Corrugated cardboard for packaging sticky materials such as polyisobutylene or bitumen, in which biaxially oriented polyester film, siliconized on the outside is bonded with a paper support by means of a heat-resistant adhesive and the support is bonded to an outer layer or to the corrugated layer. An Independent claim is also included for a process as described above for the production of corrugated cardboard with siliconized plastic film on one side.