Lanxess AG (Leverkusen,Germany) reports that it has developed a "hard/soft" composite that not only handles the high heat and other extreme conditions facing auto engine components but also offers cost-effective processing.The composite is based on the "optimal integration" of special grades of Durethan polyamide,serving as the hard engineering thermoplastic,and a variant of Therban hydrogenated nitrile butadiene rubber (HNBR) as the elastomer component.
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