Fremgangsmåde til at forbinde en skumfilm med et mineralsk materialelag
The material has a connection between a polyethylene foam film and a mineral layer such that individual threads, filaments or fibers of the mineral layer are welded with the film in an under-welded part of the mineral layer. The individual threads, filaments or fibers are made to stick together part...
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Zusammenfassung: | The material has a connection between a polyethylene foam film and a mineral layer such that individual threads, filaments or fibers of the mineral layer are welded with the film in an under-welded part of the mineral layer. The individual threads, filaments or fibers are made to stick together partly with the film by a pressure roller. A covering layer covers the film and the mineral layer. |
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