Flame-resistant insulation

B - Operations – Transporting – 32 – B

Patent

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Details

B32B 17/02 (2006.01) D02G 3/00 (2006.01)

Patent

CA 2509901

Flame-resistant insulation may be prepared by coating a glass fiber substrate, such as a fiberglass board, with an aqueous dispersion of vermiculite and expandable graphite. The insulation may also be pre-coated with a vermiculite dispersion prior to coating with a vermiculite/expandable graphite coating, and the vermiculite/expandable graphite coating may be covered with an FSK facing, or with a gypsum or portland cement layer. The resulting coated insulation board has superior flame resistance, and may be used as a component of a building or in vehicles.

La présente invention concerne une isolation ininflammable pouvant être produite selon un procédé consistant à appliquer sur un substrat de fibre de verre, tel qu'un panneau en fibre de verre, une dispersion aqueuse de vermiculite et de graphite expansible. On peut également appliquer sur cette isolation un pré-revêtement d'une dispersion de vermiculite avant l'application du revêtement de vermiculite/graphite expansible, lequel revêtement de vermiculite/graphite expansible peut en outre être recouvert d'une garniture de FSK ou d'une couche de plâtre dur ou de ciment Portland. Le panneau d'isolation revêtu ainsi produit présente une plus grande résistance aux flammes et peut être utilisé comme composant d'un bâtiment ou dans des véhicules.

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