Pvc - three layer composite profile plate with foam glass and tpu or eva in the core layer

摘要

3 - - Cement fibre composite layer as the roof or facade element with a (zul). Snow load of at least 100 kg / m² resistant and hail up at least 20 m / s fall speed with layers made of pvc - u or blends of pvc with pe - c, pvc - c, styrenated copolymers and polyacrylates with a pvc - proportion of at least 10%, there is at least one layer of the two other layers in the toughness or rigidity or density of at least 25%, characterized in that the central layer, at least 3% glass foam, and at least 5% thermoplastic polyurethane or polyvinyl acetate with at least 28% vinyl acetate content or nbr, and the outer layers are formed a maximum of 200 μm strongly.