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Composites Evolution launches new Evopreg ampliTex range of flax-epoxy prepregs with powerRibs reinforcement grid

Composites Evolution Ltd has teamed up with leading natural fibre reinforcement specialists Bcomp to launch a new range of flax-epoxy prepreg materials, designed to offer enhanced sustainability without compromising on performance.

Composites Evolution launches new Evopreg ampliTex range of flax-epoxy prepregs with powerRibs reinforcement grid
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Evopreg ampliTex™ prepregs combine Composites Evolution’s high-performance Evopreg epoxy resin systems with Bcomp’s award-winning ampliTex™ flax reinforcements, to deliver a family of materials which offer outstanding performance for component applications.

To reach the full performance of natural fibres, Evopreg ampliTex™ prepregs have been tailored to be compatible with Bcomp’s powerRibs™ reinforcement grid, enabling the same stiffness and weight as thin-walled monolithic carbon fibre parts while decreasing the CO2 footprint by 85% and improving safety thanks to a blunt braking behaviour without dangerous debris or sharp edges.

To reach the full performance of natural fibres, Evopreg ampliTex™ prepregs have been tailored to be compatible with Bcomp’s powerRibs™ reinforcement grid,
To reach the full performance of natural fibres, Evopreg ampliTex™ prepregs have been tailored to be compatible with Bcomp’s powerRibs™ reinforcement grid,

Composites Evolution’s Sales & Marketing Director, Ben Hargreaves, explains further;
“Sustainability is an increasingly important factor for many of our customers – particularly those involved in motorsports and high-performance automotive applications. As you’d expect in these sectors though, sustainability can’t come at the expense of performance – the two must go hand-in-hand. This is something that other prepreggers can struggle with, as natural fibres behave very differently to carbon or glass, for example.”

“At Composites Evolution, we have over ten years experience in the development and production of natural fibre prepregs, and that shows in the quality of our materials.”

“Working together with Bcomp, we can offer an unrivalled package of technical expertise and application know-how. We draw upon this to help customers understand the strengths and weaknesses of natural fibre composites, and to show where and how they can be adopted without the need for significant changes to existing composite component production processes.”

One such customer is Retrac Group, whose composites division is one of the UK’s most experienced composites engineering companies across motorsports, automotive and aerospace. It recently used Evopreg ampliTex™ + powerRibs™ to produce a demonstrator bonnet panel for a race-bred supercar. Project Manager Alan Purves explains.

“We’re seeing a growing interest in flax fibre composites, particularly in the motorsports and niche vehicle sectors. It is therefore essential that we have developed an in-depth understanding of the processing requirements and performance capabilities of these materials, and are ready to respond to our customers’ requirements. Being able to tap into the combined expertise and experience of both Composites Evolution and Bcomp is proving invaluable.”

“Our laminators found the Evopreg ampliTex™ materials very easy to use, with good drape and tack to the moulds” continues Alan. “The finished part looks great, and we shall showcase it later in the year.”

The bonnet demonstrator is a two-part moulding, with both inner and outer produced using Evopreg ampliTex™ EPC300-F300T 2×2 twill prepreg, backed with powerRibs™. The air duct components were 3D-printed at Retrac, using their Stratasys Fortus 450MC machine. Bonded using polyurethane adhesive to minimise A-surface witnessing, the whole assembly weighs just 4 kg.

Johann Wacht, Motorsports Manager at Bcomp Ltd concludes:
“We absolutely share the view that sustainability and performance need to go hand in hand and are very proud that already during the development phase of Evopreg ampliTex™ several OEMs and parts manufacturers have fully validated the prepregs. The UK market is close to our values due to its drive for high-performance and innovation, closely linked to the heritage of motorsports and supercars. It is great to see multiple projects going live in parallel to the official launch, highlighting the huge sustainable lightweighting potential of the proven Evopreg ampliTex™ + powerRibs™ package for all areas of future mobility.”

More information www.compositesevolution.com