A phenolic foam board

Details A phenolic foam board A phenolic foam board

B - Operations, Transporting

29

C

B29C 44/56 (2006.01) B29C 44/32 (2006.01)

Patent

CA 2640923

A rigid insulating phenolic foam body (8) has at least one perforated facing (1). The facing (1) is preferably perforated before the facing (1) is adhered to the foam body. The facing (1) may be a gas impermeable material such as a metallic foil. The perforations (5) in the gas impermeable material reduce the drying and curing time, for phenolic foam bodies when compared with phenolic foam bodies with gas permeable facings.

L'invention concerne une plaque de mousse phénolique isolante rigide (8) ayant au moins un parement perforé (1). Le parement (1) est de préférence perforé avant qu'il (1) soit collé à la plaque de mousse. Le parement (1) peut être un matériau imperméable aux gaz tel qu'une feuille métallique. Les perforations (5) dans le matériau imperméable aux gaz réduisent la durée de séchage et de durcissement, pour des plaques de mousse phénolique, par rapport à des plaques de mousse phénolique ayant des parements perméables aux gaz.

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