Royal DSM is adding hydrolysis-resistant grades of polybutylene terephthalate (PBT) to its Arnite® family of thermoplastic polyesters. The new materials will provide a cost-effective solution in applications exposed to humidity and high temperatures, including automotive connectors, control devices and sensors.
The new ‘HR’ grades come in response to increasing calls in the automotive market for materials that resist hot and humid environments, for applications that do not necessarily require the outstanding performance of high-temperature polyamides like DSM’s Stanyl® PA46 and ForTii® PA4T products.
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