| 摘要 |
The invention relates to a product made of thermoformable materials constituted by a thermoformable multilayer sheet containing volatile materials such as lubricants, processing aids and/or plasticisers. So as to avoid the so-called "fogging" effect (that is to say the deposition of volatile materials evaporated into the atmosphere on the inside of the windows of vehicles exposed to sunlight), a layer of at least 1 mm thickness, formed from a flexible foam of high porosity and preferably comprising a majority of open pores, is applied to at least one face of the base sheet.
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