SGL launches high-performance carbon fiber yarn production

News Item From: CompositesWorld

Posted on: 11/25/2013

Germany-based SGL Group has begun production of SIGRAFIL C SBY stretch-broken carbon fiber yarn at its facility in Scotland.

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SGL Group – The Carbon Company (Wiesbaden, Germany) reported on Nov. 19 that it has started production of stretch-broken carbon fiber yarn at its facility in Muir of Ord, Scotland. An official ceremony inaugurating the new production took place on Nov. 7.

Marketed under the brand name SIGRAFIL C SBY, this high-performance, very fine stretch-broken carbon fiber yarn is a proprietary development of SGL Group. It was first presented to the general public at JEC Europe 2013 in Paris, France.

Dr. Andreas Wöginger, product and technology management SGL Group, says: “We are expanding our existing value chain by developing new textile procedures and refining our SIGRAFIL C carbon fiber into a fine yarn. We are now positioned to offer our customers new and innovative material concepts that meet the growing market requirements.”

SIGRAFIL C SBY offers a broad range of applications. The yarn can be used as a heat conductor due to its electrical resistance and can also be used as sewing yarn or knitting yarn. It is also well suited for applications where carbon fiber composite parts are exposed to very high service stresses, such as in the automotive applications.

In addition to the characteristic properties of carbon fiber such as high strength, light weight and temperature resistance, the yarn is said to provide excellent knot and loop strength. The optimized yarn properties allows for new opportunities in textile processing, such as sewing and knitting processes where regular multifilament carbon fiber previously reached its limits. 


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