Hytrel® demonstrates excellent heat ageing performance, maintaining its flexibility at very low temperatures and its mechanical properties at elevated temperatures. The broad and consistent temperature performance of Hytrel® (-40°C to 150°C) makes it an ideal flexible polymer solution for the automotive, wire and cable, industrial and consumer sectors. Hytrel® is also used for polymer modification to improve the temperature performance properties of polymers such as PVC, ABS, PBT and PET.
For where temperature performance needs to be enhanced even further, Hytrel® 30HS can be considered. Hytrel® 30HS is an innovative Hytrel® concentrate from Celanese. At a let-down ratio of around 5%, it reduces thermal oxidative degradation to extend useful life at elevated temperatures.
As a general rule, the best heat resistance is provided be the hardest, stiffest Hytrel® grades, whereas better performance in low temperature environments is provided by the more flexible Hytrel® grades.
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