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10-19-2015

Front End Carrier for Passat and Sharan Made Entirely from PA

Entirely made from polyamide: all-plastic front end carrier in the new Volkswagen Passat and Sharan for the first time (figure: BASF)

Entirely made from polyamide: all-plastic front end carrier in the new Volkswagen Passat and Sharan for the first time (figure: BASF)

The world's first front end carrier without metal reinforcement has now leapt across the platforms: The Volkswagen Group is using the front end carrier made from the BASF plastic Ultramid in the new Passat and Sharan models – after the integration in the Golf VII where in 2013 a polypropylene/steel hybrid part was replaced with an all-plastic part made from Ultramid B3WG8 and with BASF's comprehensive simulation service.

BASF's polyamide 6 helps to ensure that also these two front end carriers are considerably lighter than the previous models and save installation time as well as costs. The globally available polyamide 6 grade is manufactured at certified production sites with process-oriented quality management.

The front end carrier in the Passat is the largest polyamide part in the vehicle and weighs around 2.6 kg. The Ultramid B3WG8 used is reinforced with 40 % glass fibers and boasts an excellent combination of fatigue and endurance strength. This means that the plastic part shows the correct dynamic stiffness at defined locations and also meets the car maker's specifications for crash acceleration and vibration behavior of the whole front end and radiator system.

The various load situations, some of which are very demanding, were calculated for the Golf VII with the BASF simulation tool Ultrasim. It was possible to transfer these results to the front end carriers in the Passat and Sharan without any problems because Ultrasim can be integrated seamlessly into the computing environment of the entire vehicle at the car manufacturer. For this purpose, specific, e.g. crash-relevant material data is available for the plastic which precisely describes the effects of temperature, moisture, and loading rate.

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BASF SE

Carl-Bosch-Str. 38
DE 67056 Ludwigshafen
Tel.: 0621 60-0
Fax: 0621 60-42525

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