Porsche Motorsport 718 Cayman GT4 CS MR featuring a full natural fiber bodywork kit. Courtesy of BComp.
Fiber-reinforced plastics (CFRP) are increasingly in demand in the aerospace and automotive industry. Also, the CFRP market is projected to register a CAGR of 8% between 2023 and 2028.
However, the sustainability of these types of composites has been an issue due to their complexity for recycling and high CO2 footprint.
BComp uses flax, a plant with a long fiber that possesses very good mechanical properties and outstanding damping properties in relation to its density, making it especially suited as a natural fiber reinforcement for all kinds of polymers.
Global warming potential from carbon fiber and flax fiber. Courtesy of BComp.
Both carbon fiber and flax composites use the same epoxy resin, which is not from renewable sources and disables recycling. But, as flax laminates are made from a plant that absorbs CO2 from the atmosphere during its growth, CO2 remains neutral. Natural fiber could be an alternative to carbon reinforcement, since they could achieve similar mechanical properties but with much less CO2 emissions.
The company has been using its main flax product named AmpliTEX broadly in the automotive industry.
Flax fiber composite in Carlos Sainz and Lando Norris’s seats from McLaren Racing. Courtesy of BComp.
Furthermore, it has been well-proven in demanding motorsport applications like Formula 1, Formula E, and SuperFormula. This includes Carlos Sainz and Lando Norris’s seats for McLaren Racing in 2023.
Massive production vehicles like the new Volvo EX30 are using this technology, as well as sports equipment like K2 skis and the Adidas padel racquet, that will include natural flax fiber composite. This shows indeed the versatility of the solution.
In conclusion, the natural fiber trend eagers brand owners to find more sustainable processes for their part production and end-of-life.
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Because 1.5-nanometer titanates and zirconates couple via proton coordination it is possible to couple hemp fibers as they do graphite and CaCO3.