Fine-Grain Graphite

SGL Group covers the entire value chain of fine and medium grain graphite production. From raw material selection, semi-finished product manufacture, precision machining, impregnation, purification, and coating. This is how we ensure the consistent high quality and performance of our products.

With the most comprehensive portfolio in the industry and our technical know-how spanning more than 35 industries we are perfectly positioned to engineer advanced solutions in partnership with you - enabling you to get ahead.

All our fine and medium grain graphite products are marketed under the new common brand name SIGRAFINE®. Products were previously known under RINGSDORFF®, SIGRAFORM®, SIGRAMENT®, and CRYSTA-SIL®.