PARTIALLY FLEXIBILIZED EXTRUDED PLASTIC FOAM PANEL AND METHOD FOR MAKING THEREOF

摘要

An extruded plastic foam panel has at least two dissimilar layers, each layer possessing a closed cell structure. One layer is relatively rigid, and there is at least one surface layer which is relatively compressible and flexible and having wrinkles in its side walls, which walls extend in the thickness direction. The rigid layer is integral with the compressible layer(s). The panel can be prepared by passing at least one feedstock foam panel through a pair of rolls separated by a distance that is less than the total panel thickness.