SIGRAFIL® PAN-based Carbon Fiber

Based on polyacrylonitrile (PAN) precursor, SIGRAFIL® (24k and 50k) is a heavy tow carbon fiber that combines high strength, high modulus of elasticity, and low density for maximum performance.

SIGRAFIL® thermoplastic-compatible Carbon Fiber

Our most recently developed product - a thermoplastic-compatible SIGRAFIL® carbon fiber, is essential for producing fiber composite materials with a thermoplastic matrix. A new surface coating (sizing) has been developed to optimally bond the carbon fiber to the thermoplastic matrix. The special properties of carbon fiber, such as high strength and stiffness, are thereby fully transmitted to thermoplastic components.


SIGRAFIL® forms the basis of fiber-reinforced composites and is the key component in products used in wind energy generation, the aerospace and automotive industries, motor racing, the manufacture of adhesives, and other industrial applications.

SIGRAFIL® continuous carbon fiber tow is ideal for weaving, prepregging, filament winding, carbon fiber-reinforced components (CFRP), advanced composites, multiaxial production, unidirectional tapes, extrusion, pultrusion, and other conversion processes.