CHOMARAT's C-PLY carbon fiber used in live manufacturing demonstration

KraussMaffei leads a manufacturing effort that combines CHOMARAT's C-PLY reinforcements with polyurethane in a resin transfer molding process to make Roding roadster roof panels during the K'2013 show in Düsseldorf, Germany.

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CHOMARAT (Le Cheylard, France), which specializes in textile reinforcements for composites, reported on Oct. 17 that its C-PLY Spread carbon fiber reinforcement technology was used to manufacture a roof panel for the Roding roadster at the K’2013 plastics industry trade show in mid-October. This project is the birthchild of a partnership between major players in the composites field under the leadership of KraussMaffei (Munich, Germany).

This manufacturing process uses resin transfer molding (RTM) and a polyurethane (PU) in a short cycle time that produces composite parts with what is said to be excellent surface quality directly out of the mold.

C-PLY Spread is a line of non-crimp fabric (NCF) carbon reinforcements developed by means of the latest fiber spread technologies. The line provides flat and homogeneous thin layers that limit the occurrence of microcracks. Its construction gives it the necessary flexibility to make it readily deformable, and allows good positioning in the mold while still maintaining good permeability for RTM injection.