Ekoa "Flax" Fiber
Lightweight ◾ Vibration Damping ◾ Wide range of uses ◾ Exceptional Strength
Ekoa® fabrics are plant and bio-based renewable resources for ecological, higher performance solutions. From sports equipment to furniture, bio-composite material is building the next generation of products. Ekoa®, is made of flax linen fabric + bio-epoxy and offers distinct performance advantages: exceptional strength, vibration damping and is lighter than carbon ﬁber. Process via standard composite manufacturing techniques including: compression molding, RTM, VARTM, and wet layup. These materials are engineered to have very good compatibility with all carbon fiber types.
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Vibration Damping with Ekoa®, Ekoa® composites have outstanding damping properties for an engineering material with a unique stiffness-damping combination. With 20-30 % higher specific stiffness than fiberglass, Ekoa® composites exhibit three times higher damping than carbon and fiberglass.
Ekoa® as fascia layer, Ekoa® composites are naturally very strong and stiff besting the stiffness of fiberglass. Solid laminates as thin as 1/16th” (1.5mm) can be used for structural applications.
Ekoa® as fascia layer + carbon fiber, The image to the right shows a tube made with two layers of Ekoatape on the surface and several subsequent layers of unidirectional carbon fiber. The effect is an authentic hard wood-like aesthetic with Ekoa® contrasting subtle carbon fiber. With this type of ‘hybrid’ layup you get the damping and look of Ekoa® with the added rigidity of carbon fiber. This sample has no finish but has been sanded.
Ekoa® as core layer/s, Applications requiring the stiffness and strength of carbon – such as a high-performance bicycle frame – the dynamic properties of the structure can be greatly improved by replacing some of the carbon with an Ekoa® layer. Using the right amount and position within the hybrid structure will generate what is commonly known as constrained-layer damping. Standard constrained damping layers are usually made from highly viscoelastic polymers with poor structural properties, relatively complicated to integrate during processing and adding a lot of weight to the structure. In comparison, Ekoa® is light, has great structural properties and is processed the same way as carbon.