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29th October 2019, Chesterfield

Composites Evolution launches new natural fibre prepregs

GT rear wing component. © KW Special Projects

GT rear wing component. © KW Special Projects

Composites Evolution, a supplier of sustainable composite materials, has introduced a range of flax-reinforced epoxy prepregs to meet demand from the motorsport sector.

To reduce environmental impact, there is increasing interest across several motorsport series in the use of natural fibre composites for parts such as aerodynamic devices and doors, the company reports. GT4 has been leading the way with recent models from the likes of Porsche and Toyota featuring natural-fibre body parts.

Composites Evolution has brought together its expertise in high-performance flax reinforcements with its Evopreg range of epoxy prepregs to offer motorsport customers a proven and flexible range of material and design options. The new flax-epoxy prepreg products include a lightweight woven surface ply (100 g/m², 2x2 twill), a medium weight woven ply (300 g/m², 2x2 twill) and a 150 g/m² unidirectional ply. Other prepregs, including biaxials and in fabric weights of up to 700 g/m², are available on request.

Using materials supplied by Composites Evolution, KW Special Projects applied its expertise in component manufacturing to produce the GT rear wing component. To demonstrate the use of flax prepregs alongside other high-performance materials, half the wing has been produced in flax-epoxy and half in carbon-epoxy.

“No other prepreg supplier has the depth of flax knowledge that resides within Composites Evolution. We're ideally positioned to help motorsport customers introduce natural fibre materials into their cars and bikes,” commented Brendon Weager, Composites Evolution's Technical Director.

Composites Evolution will be showcasing their flax prepreg developments, including the wing component from KW Special Projects, at the Advanced Engineering Show at the NEC in Birmingham from 30-31 October.

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