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  Meeting Abstracts: Select & Consult

Abstract of Hoge temperaturen onder de motorkap - 1997      1997

Hydrogenated Nitrile Rubber: Properties and Recent Trends in Application Development

The unusual combination of properties of the Hydrogenated Nitrile Rubber (HNBR) opens a diverse spectrum of applications predominantly in the automotive industry. The properties of HNBR and the structure of the HNBR-market are discussed below. Special attention is paid to HNBR as base polymer in synchroneous belts. A high level of static and dynamic properties at operation temperatures, good retention of properties under continous heat exposure give rise to a significant improvement in the cost/performance relation for timing belts in cars. Some details are presented for HNBR with extended service temperature range. The low temperature side is remarkably improved by new grades, making new applications e.g. in seals and mounts accessible. As an example for new fluids causing a decision in favour of HNBR rapeseadoilmethylester is selected. In this area of application, HNBR finds it's place in seals and mouldings in fuel supply systems of cars.