Prepregs are specially formulated resin matrix systems that are reinforced with man-made fibres such as carbon, glass and aramid. Hexcel has its own in-house supply of carbon fibre and world class weaving facilities for the development of optimum reinforcement technologies to complement the prepreg resin formulations. 

Prepreg is the ultimate composite material. The thermoset resin cures at elevated temperature, undergoing a chemical reaction that transforms the prepreg into a solid structural material that is highly durable, temperature resistant, exceptionally stiff and extremely lightweight.

(Source: HEXCEL)