Perforated plate arrangement used on walls and ceilings of room comprises porous material layer containing zeolite applied to rear surface

摘要

Perforated plate arrangement comprises a porous material layer (6) containing a zeolite (7) applied to the rear surface (3). Preferred Features: The perforated plate (1) of the arrangement has edges in the region of four edge surfaces (4) extending perpendicular to the visible surface (2) and protruding over the rear surface of the plate. The edges each have an inner edge surface.