Mounting mat for mounting monolith in a pollution control device

Lagerungsmatte für die Lagerung eines Monoliths in einer Abgasreinigungsvorrichtung

Mat de montage pour la fixation d'un monolith dans un dispositif de controle de pollution

Abstract

The present invention provides a multilayer mounting mat for mounting a pollution control monolith. The mounting mat comprises a layer of intumescent material between two non-intumescent layers of inorganic fibers defining opposite major sides of the mounting mat. The mounting mat in accordance with the present invention is suitable for mounting a pollution control monolith in a pollution control device and is in particular suitable for mounting fragile monolith such as thin-wall and ultra thin-wall monoliths. Also, the mounting mats conveniently exhibit a good or excellent holding pressure over a wide temperature range and can be formulated in an inexpensive way. The invention also provides a pollution control device comprising a pollution control monolith arranged in a metallic casing with the mounting mat disposed between the metallic casing and pollution control monolith.

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