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SGL Group expands material portfolio with high-performance and efficient carbon fiber for aerospace

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SGL Group expands material portfolio with high-performance and efficient carbon fiber for aerospace

SGL Groups 50k Carbon Fiber
  • New “Advanced modulus” 50k carbon fiber
  • Synergy of expertise in carbon fiber production and processing experience from various industries

Wiesbaden, February 23, 2018. SGL Group has developed and started serial production of an innovative carbon fiber, thus expanding its material portfolio. Bearing the name SIGRAFIL® C T50-4.8/280, the new fiber is characterized by a high Young’s modulus, making it ideal for aerospace applications. Pressure vessels, drive shafts, profiles, and sheet molding compounds (SMCs) are other applications, as the fiber meets high mechanical requirements thanks to its high stiffness and strength.

The high Young’s modulus based on a 50k fiber (50,000 individual filaments) is unique to the market. Previously, only fibers with lower numbers of filaments (e.g. 12k or 24k) achieved these high mechanical properties (4,800 MPa, 280 GPa). This classifies the new carbon fiber between standard modulus and intermediate modulus, with a property combination never exhibited before for 50k – in the “advanced modulus” range. Developed based on the 50k fiber used successfully in serial production in automotive projects, it is an excellent example of knowledge transfer within SGL Group made possible thanks to activities in various industries. The new fiber provides an efficiency boost during processing, helping to expand the range of applications for carbon fiber composites.

“With the new SIGRAFIL® 50k carbon fiber, we can now offer aerospace industry customers attractive material solutions for various component classes. At the same time, customers from many industries benefit from our bundled expertise along the entire value chain, from the fiber to the component,” explains Andreas Erber, Head of the Aerospace segment in the Composites – Fibers & Materials (CFM) BU of SGL Group.

At JEC World in Paris from March 6-8, 2018, the new carbon fiber will be presented to the public for the first time, and will then be available for delivery.


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