| 摘要 |
PURPOSE: A lightweight multi-layer is provided to use as the interior material of vehicles which has excellent thermal resistance, rigidity, and dimensional stability. CONSTITUTION: A lightweight multi-layer comprises: a core material layer(100) consisting of Polyethylene Terephthalate; PET foamed sheet; a surface layer(200), which consists of Polyethylene Terephthalate PET non-woven fabric, stacked on one side of the core material layer; and a co-extrusion film(300), which is between the core material layer and the surface layer, adhered to the core material and the surface layer.
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