Dimensionally Stable and Flame-Retardant PBT
The increased demand for flame-retardant materials with high dimensional stability for the automotive or electronics industry has been met by Lanxess Deutschland GmbH, Cologne, Germany, with the new grade Pocan AF4130.
This blend of polybutylene terephthalate (PBT) and acrylic ester styrene acrylonitrile (ASA) is glass-fiber-reinforced, contains a halogenated flame retardant package, and has extremely low emissions. Thanks to its low shrinkage and warpage, it is very suitable for use in vehicle battery systems and is already being employed by Hella KGaA Hueck & Co., Lippstadt, Germany, as a housing material in battery management and cell monitoring systems. It can be used for both vehicle interiors and underhood applications, since, according to the manufacturer, it is resistant to typical automotive fluids and battery electrolytes. The material can also be utilized for exterior electrical components, e. g. in photovoltaic systems, because of its UL f1 listing for applications involving exposure to water and UV.
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