BASF Engineering Plastics for Electric, Hybrid Cars
BASF is expanding its range of engineering plastics for electric and hybrid vehicles, which BASF says will allow automotive manufacturers to save on weight and installation space around the battery and at the same time help to improve safety in e-mobility.
Tailor-made Ultramid and Ultradur materials are now available globally for equipping vehicle-interior and -exterior high-voltage plug-in connectors with precisely fitting characteristics. The special polyamide and polybutylene terephthalate grades meet the demands on flame retardancy, color stability, mechanics and electrical isolation.
The high-voltage connectors can be identified by their typical orange color (color batch from BASF Color Solutions). The light-colorable BASF polyamide used is color stable and resistant to thermal aging.
Particularly in the sensitive range of high voltages the color coding of the individual components is safety-relevant: It needs to remain highly visible for at least 10 years. BASF optimized the connector locks using its simulation tool Ultrasim: Ultrasim precisely predicted the lock-in behavior of the component in processing and in use, enabling savings in production time and costs.
The globally available Ultramid and Ultradur grades pass the test according to the tighter IEC standard 62196-1 and the glow wire test according to IEC 60695-2-11 – at 850°C for parts made from isolating matter which holds conducting parts, and at 650°C for all other parts made from isolating matter. The materials for plug-in connectors close to the battery are resistant to high temperatures as well as coolants and equipped with flame retardant if necessary. They make for low-warpage, tight and creep-resistant parts.
BASF says the materials used for plug-in connectors in the charging system are noted among other things for their flame retardance, impact strength and creep resistance as well as excellent isolation properties. The portfolio also includes plastics, which contain halogen-free flame retardant and comply with the Restriction of Hazardous Substances Directive (RoHS).
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