Engineering plastics for high-voltage plug-in connectors

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  • Tailor-made engineering plastics for high-voltage plug-in connectors in electric and hybrid vehicles
  • Resistant to high temperatures and coolants
  • Grades meet strict IEC standards

BASF has expanded its range of engineering plastics for the market of electric and hybrid vehicles. Special polyamide and polybutylene terephthalate materials are now available for equipping vehicle interior and -exterior high-voltage plug-in connectors. The Ultramid and Ultradur grades meet the demands on flame retardancy, color stability and electrical isolation.

Color coding is safety-relevant in the field of high voltages

One example are the connectors for hybrid and electric vehicles which TE Connectivity, Schaffhausen (Switzerland) has developed from various Ultramid grades for numerous automotive companies. The high-voltage connectors can be identified by their typical orange color. 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 ten years.

Grades meet the strict IEC standards

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.

Resistant to high temperatures and coolants

The materials for plug-in connectors close to the battery are resistant to high temperatures as well as coolants. They are made for low warpage, tight and creep-resistant parts. The materials feature high impact strength and very good isolation properties. The company can also offer plastics which contain halogen-free flame retardant and comply with the Restriction of Hazardous Substances Directive (RoHS).

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