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Great potential for use of Tepex in innovative vehicle concepts

Bond-Laminates at JEC World, May 12-14, 2020, Paris-Nord Villepinte Exhibition Center, hall 5, stand N33

  • Reinforced structural insert for A-pillar with Tepex
  • Infant carrier with ultralight, composite-based headrest
  • Trend towards sustainable composites in the sports, automotive and IT industries

Cologne – New trends in transportation are opening up a wide range of potential applications for semi-finished products made with the Tepex continuous-fiber-reinforced thermoplastic composite from LANXESS, which has long since become established in large-scale production. “The focus of our activities at JEC World will therefore be on a wide range of applications of our composites in the lightweight construction of electric vehicles, in seat designs for autonomous driving and in safety-critical components such as child seats and infant carriers,” explains Henrik Plaggenborg, head of the Tepex Automotive Group at LANXESS. Tepex is developed and produced by LANXESS subsidiary Bond-Laminates GmbH in Brilon, Germany. Additional thematic focal points at the Bond-Laminates JEC World stand will include new material and technological developments for consumer electronics and the IT industry as well as sustainable composites for the sporting goods industry and laptop manufacturers, for example. Tepex applications that require outstanding flame-retardant properties will also feature.

Weight savings around the roof of the vehicle

Lightweight design is gaining in importance due to increasingly strict exhaust regulations and the move towards electric vehicles. Tepex also opens up enormous potential for weight savings in the vehicle body. LANXESS will be demonstrating this at JEC World, using the example of an A-pillar with a 3D hybrid design that Porsche has developed for vehicles such as convertibles and roadsters and is used for the first time in the Porsche 911 Cabriolet. It comprises an insert made from high-strength steel, a supportive and formed section of Tepex, a ribbed structure made from a polyamide 66 Durethan, and a structural foam. “Thanks to the hybrid insert, the A-pillar is just as stable in the event of rollovers as previous designs featuring a high-strength steel tube but it is around five kilograms lighter,” says Plaggenborg.

Headrest up to 30 percent lighter

A child seat headrest developed as a technology demonstrator by LANXESS partners as part of a project funded by the German Federal Ministry for Economic Affairs and Energy will also be on show. It is produced in a particle-foam composite injection molding (PCIM) process and contains an insert made from Tepex. “In comparison with the commercially produced component variant, the weight of the headrest is up to 30 percent lower without compromising its excellent crash performance. The production process is also simplified because the number of parts is reduced from six to one,” explains Plaggenborg.

Tepex with matrix of recycled polycarbonate

Bond-Laminates is continuously expanding its portfolio of materials to include sustainable fiber-reinforced composites. The focus here is on both the thermoplastic matrix and the reinforcing continuous fibers. The latest commercially available development is a Tepex variant based on recycled polycarbonate materials made from post-consumer waste. It meets all known requirements that were placed on the previous material formulation. “We are also working on using bio-based fiber and matrix systems and recycled carbon fibers,” explains Dr. Dirk Bonefeld, head of Marketing & Sales Consumer Electronics, Sports and Industry at Bond-Laminates.

Excellent flame-retardant properties

Another topic at the Bond-Laminates JEC World stand concerns Tepex applications in components for electric vehicles that require outstanding flame-retardant properties – such as carriers for electrical and electronics modules and battery cover plates. “As a result of its structure, Tepex has very good flame-retardant properties even without flame-retardant additives and it passes numerous flammability tests with good results,” explains Bonefeld. Nevertheless, the range also contains flame-retardant product variants based on polyamide and polycarbonate that fulfill the requirements, for example, of the flammability test as per US standard UL 94 (Underwriters Laboratories Inc.) with the top classification of V-0 with low wall thicknesses.

Capacity recently increased by around 50 percent

LANXESS has recently increased production capacity for Tepex in Brilon by around 50 percent. “In doing so, we are responding to the huge demand for our composite materials in the mass production of highly stressable components for lightweight vehicles and consumer electronics in particular,” says Bonefeld.
You can find more information about LANXESS products, developments, technologies and services that use polyamides, polyesters and thermoplastic composites for innovative vehicle concepts and particularly electromobility at and

Forward-Looking Statements
This company release contains certain forward-looking statements, including assumptions, opinions, expectations and views of the company or cited from third party sources. Various known and unknown risks, uncertainties and other factors could cause the actual results, financial position, development or performance of LANXESS AG to differ materially from the estimations expressed or implied herein. LANXESS AG does not guarantee that the assumptions underlying such forward-looking statements are free from errors nor does it accept any responsibility for the future accuracy of the opinions expressed in this presentation or the actual occurrence of the forecast developments. No representation or warranty (expressed or implied) is made as to, and no reliance should be placed on, any information, estimates, targets and opinions, contained herein, and no liability whatsoever is accepted as to any errors, omissions or misstatements contained herein, and accordingly, no representative of LANXESS AG or any of its affiliated companies or any of such person's officers, directors or employees accept any liability whatsoever arising directly or indirectly from the use of this document.

LANXESS is a leading specialty chemicals company with sales of EUR 7.2 billion in 2018. The company currently has about 15,500 employees in 33 countries and is represented at 58 production sites worldwide. The core business of LANXESS is the development, manufacturing and marketing of chemical intermediates, additives, specialty chemicals and plastics. LANXESS is listed in the leading sustainability indices Dow Jones Sustainability Index (DJSI World and Europe) and FTSE4Good.


Michael Fahrig

Michael Fahrig
Spokesperson Trade and Technical Press

Phone: +49 221 8885 5041
Fax: +49 221 8885 4865