AUTOMOTIVE | INTERIORS AND EXTERIORS
warpage at short cycle times, high stiffness, high temperature resistance and good flowability. Röhm has developed a new automotive moulding compound – Plexiglass Optical HT – for the best optical quality at a high continuous service temperature. The new compound is Röhm’s reaction to industry trends such as high-power LEDs in vehicle lighting and the demand for long light guides for striking signature lights. The company says that the moulding compound guarantees the best possible optical quality even at elevated continuous service temperatures of up to
Above: SABIC has developed new LNP Thermocomp compounds for advanced driver assis- tance systems (ADAS) radar covers
50% glass fibre content. Grivory G7V was developed for high-gloss component design and straightforward processing by injection moulding methods. The material is easy to process due to its flowability and wide processing window. A good surface finish is achieved at melt temperatures of 270°C and above in combination with normal mould temperatures between 100-120°C. Due to the low melt and mould temperatures, injection moulders can save energy and reduce costs. Grivory G7V can be used in a wide variety of applications. The material is particularly well-suited for structural components in automotive interiors, such as air vents, indicator and gearstick levers and handles, for example. RadiciGroup has launched the Renycle range of engineering polymers originating from pre- and post-consumer recyclate with high environmental performance, suitable for automotive and e-mobili- ty applications. The company says that the Renycle PA 6 and PA 66 products include a variable percentage of post-industrial and post-consumer recycled polymers, which are the result of careful selection from incoming raw materials and ad- vanced mechanical characterisation. BASF and Grupo Antolin have developed automotive roof frames with Ultradur High Speed PBT. The design allows weight reduction while meeting the trend towards panoramic roofs in the automotive industry. The roof is integrated into the ceiling trim (headliner) of the car which is made from light polyurethane Elastoflex E 3943/134. The actual sunroof opening in the headliner is sup- ported by a structural bracket. Traditionally made of heavy steel, Ultradur High Speed offers a metal replacement solution. The design of these parts allows a weight reduction up to 60% compared to other traditional solutions. The material allows the injection of large parts with good performance characteristics, such as dimensional stability, low
38 INJECTION WORLD | November/December 2021
105℃. Röhm has also introduced Plexiglas Resist AG 100 for vehicle front applications. The company adds that it has high impact resistance, is extraordi- narily robust and weather-resistant and combines high heat deflection temperatures with good optical qualities. The material is a cost-efficient alternative for many components in automotive manufacturing which would otherwise require post-mould UV protective coating to achieve a comparable UV resistance. SABIC has developed new LNP Thermocomp compounds for advanced driver assistance systems (ADAS) radar covers that require high-performance materials that can optimise the capabilities of today’s higher-frequency (>75 GHz), millimetre- wave (mmWave) radar units. WFC06I and WF- C06IXP compounds have been developed for the front and back enclosure covers (respectively) of next-generation radar units. The glass fibre-rein- forced PBT grades offer a low dissipation factor (Df) and dielectric constant (Dk) to help support the transmission of higher-frequency radar signals. They also feature super-low warpage that allows designers to potentially create new, thinner covers that improve signal transmission. Furthermore, these new SABIC products can contribute to efficient radar unit assembly by supporting high-speed, high-precision laser welding.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.sumitomo-shi-demag.eu �
www.arburg.com �
www.engelglobal.com �
www.wittmann-group.com �
www.kraiburg-tpe.com �
www.hexpol.com �
www.lanxess.com �
www.avient.com �
www.emsgrivory.com �
www.radicigroup.com �
www.basf.com �
www.roehm.com �
www.sabic.com
www.injectionworld.com
IMAGE: SABIC
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