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随着现代汽车乘用舒适性的不断提高，弹性体材料在汽车车身方面的应用得到了急剧的增长，在重型、轻型、微型及轿车等多种汽车中都普遍存在着发展的迹象。今天除了传统的黑色橡胶、聚氯乙烯（PVC）材料之外，用于汽车车身密封系统的弹性体材料还包括PUR泡沫和热塑性弹性体（TPE
With the continuous improvement of passenger comfort in Hyundai Motor, the application of elastomer material in automobile body has been increasing rapidly. There are signs of development in many kinds of vehicles, such as heavy-duty, light-weight, mini and sedan. In addition to today’s traditional black rubber, polyvinyl chloride (PVC) materials, elastomer materials used in automotive body sealing systems include PUR foam and thermoplastic elastomers (TPE