Expanded Graphite

SGL Group is the world’s leading manufacturer of expanded graphite products. Our expertise in the material and its applications as well as the wide range of products and services we offer makes us the partner of choice to our customers. Together with you we find the best solution even for the most challenging applications.

Our graphite foils and sheets for sealing and high-temperature applications are well-known under the trade name SIGRAFLEX®. In our portfolio we have also specially developed expanded graphite products for energy storage applications which we market under the brand name SIGRACELL® as well as products for thermal management marketed under the SIGRATHERM® brand.