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Home | News |LANXESS Offers New Polyamides and Polyesters for Laser Transmission Welding
LANXESS Offers New Polyamides and Polyesters for Laser Transmission Welding
Updated: 2018-11-07 14:15 Source: eppm share:

LANXESS is expanding its range of laser-transparent polyamide 6 and polyamide 66 as well as PBT compounds (polybutylene terephthalate) for Laser transmission welding.

Frank Krause, welding technology expert in the High Performance Materials (HPM) business unit at LANXESS, said: “With these new products, we are primarily targeting the growing demand for housings for sensors, control units, and display systems, for example, which are needed for electrification of vehicle drives and for applications in driver assistance systems through to autonomous driving."

All new compounds are characterised by a high degree of transparency for the light from the near infrared range that is commonly used in laser transmission welding.

Compared to vibration, ultrasonic, and infrared welding the process is thermally and mechanically less stressing.

Among the new compounds from LANXESS is the halogen-free flame-retardant Durethan AKV30FN04LT.

At a wall thicknesses of up to 1.5 millimetres, the light transmission for this polyamide 66 is comparatively high in the wavelength range for laser welding.

Three other new polyamides have also been optimised for a low tendency to electrocorrosion, for example Durethan AKV25H3.0LT is particularly suitable as a material for components with high short-term thermal loads.

The polyamide 66 is glass fibre reinforced and thermostabilised with a metal- and halogenide-free heat stabiliser.

Product innovations in polyesters are Pocan C1202LT and C3230LT, material blends of PBT and polycarbonate (PC).

Pocan C1202LT is being used in the production of a tailgate handle system with waterproof sealed electronics.

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