Mineral wool element with enhanced reaction to fire, air...

Details Mineral wool element with enhanced reaction to fire, air... Mineral wool element with enhanced reaction to fire, air...

C - Chemistry, Metallurgy

03

C

C03C 25/26 (2006.01) B01D 39/20 (2006.01) C03C 25/34 (2006.01)

Patent

CA 2430506

The invention concerns an element consisting essentially of mineral wool exhibiting enhanced reaction to fire. Such an element is in particular shaped in the form of a panel and is used for constructing air ducts. The panels comprise a mineral wool core, said core being formed with glass fibres which act as wool constituents. The glass fibres of the inventive element have a diameter substantially greater relative to the glass fibres currently used for making panels or ducts for similar purposes. The glass fibres used in the invention have a fineness index of value ranging between 5.8 ? 0.5 for 6 grams. The invention also concerns a method for making an air duct from said panels.

Elément constitué essentiellement de laine minérale qui présente une réaction au feu renforcée. Un tel élément est notamment mis en forme sous la forme de panneau et est utilisé pour la construction de conduits d'air. Les panneaux comprennent une âme de laine de verre, ladite âme étant formée de fibres de verre qui agissent comme composants de la laine. Les fibres de verre de l'élément selon l'invention présentent un diamètre sensiblement plus grand par rapport au diamètre des fibres de verre qui s'utilisent actuellement pour la fabrication de panneaux ou de conduits d'application similaire. Les fibres de verre utilisées selon l'invention ont un indice de finesse d'une valeur qui fluctue entre 5, 8 .plusmn. 0,5 pour 6 grammes. L'invention concerne également un procédé de fabrication de conduit d'air à partir desdits panneaux.

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