| 摘要 |
<p>A material covering (10) for use under a vehicle, comprises a flat section with a structured surface. The basic material consists of polypropylene and contains an additive which influences density, elasticity and toughness. The component is injection moulded, and the basic material is ground and recycled. At least one elastomer is added along with a mineral material. The material has an elasticity modulus E of 1.000-1.280 Mpa, a density of 1.0-1.16 g/cm 3>, and a toughness of 25-44 KJ/m 2>at 23 o>C . The elastomer material is eg EPDM and consists of waste and/or recycled vehicle material. The vehicle lower covering has a Shore hardness of 60-65. The covering has ribs (22,24) and penetrations (14,16,18,20).</p> |
