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Flax fibre range from Cobra

Low density fibres are much less energy intensive to produce than carbon.

11th October 2022

Innovation in Textiles
 |  Chonburi, Thailand


In response to strong demand from OEM customers, Cobra Advanced Composites (CAC), the automotive business of composite products manufacturer Cobra International, has launched a range of production-ready, flax fibre-based, visual finish components. The new natural fibre composite solutions offer a sustainable option compared to traditional carbon look components.

CAC has supplied automotive OEMs with lightweight composite components since 2006, focusing on visual carbon fibre prepreg parts and building a reputation as a leading global supplier to the premium car and motorcycle OEMs. With new European regulatory targets approaching fast, manufacturers have requested alternative composite technologies using more sustainable materials.

CAC has used flax fibre prepregs with autoclave processing to create the new components. The low density flax fibres – typically cultivated in Western Europe and much less energy intensive to produce than carbon – provide good impact resistance and excellent vibration damping, making them suitable for a wide variety of components, including interior as well as exterior parts.

The company now offers:

- Standard visual carbon twill outer ply with flax fibre backing plies. This option maintains the classic carbon look of a twill weave carbon fabric but substitutes the backing plies for a woven flax prepreg material.

- Visual flax twill outer ply with flax fibre backing plies. Maximising the natural fibre content with 100% flax fibre reinforcement produces the most sustainable construction.

- Body colour painted flax fibre components. Fully painted flax fibre parts, providing a natural fibre composite option for components where a visual fibre finish is not required.

By leveraging its strengths in clear coated carbon manufacturing and natural fibre expertise developed in other business units, CAC has successfully navigated the challenges of processing flax to meet tough automotive quality standards. Working with leading global suppliers, CAC can colour the protective lacquer, epoxy resin system and even the flax fibres themselves, creating natural fibre components with a wide palette of potential colours and shades.

“Developing the highest quality flax-based visual composite solutions for our OEM customers has been challenging yet rewarding,” said CAC  commercial managing director Michel Roeffaers. “I am proud of the results that the team has achieved with a full range of natural fibre composite options that perfectly complement our traditional visual carbon fibre parts.”

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