NEXX Technologies unveils vertically integrated cyanate ester prepreg system

Enduredge NTC-425 Cyanate Ester System is the latest high-performance product released by NEXX Technologies, a manufacturer and supplier of prepreg materials and affiliate of Mitsubishi Gas Chemical Company (MGC).

Benefiting from lower costs, this new prepreg resin system is claimed to be unique within the composites industry for being vertically integrated, with shop temperature out-time of 90-100 days (<75ËšF). The extended out-time has made it possible for businesses to finally construct and assemble large-scale structures before the prepreg reaches the end of its processing shelf life. The NTC-425 architecture allows parts production using out of autoclave processing (OOA), without the need for complicated debulks or curing processes.

Flexible processing allows both autoclave and vacuum bag methods to continuously produce outstanding results. The prepreg architecture creates Z-directional engineered air release channels that are said to offer superior VBO/OOA capabilities. Additionally, NTC-425 possesses the feature of initially curing at a lower temperature of 275ËšF (121ËšC); this provides dimensional stability for the parts to then be post-cured off tool (freestanding). The fabricator is then able to use lower temperature capable tooling. After post cure the material reaches a final Tg of 425ËšF (200°C).

Joseph Kidd, general manager at NEXX Technologies, said: “Our latest developments in Cyanate Ester has shown outstanding results for prepreg out time and performance possibilities. NTC-425 provides excellent mechanical properties along with low moisture absorption and outgassing. For projects that may require an extended time to layup, NTC-425 is the ideal choice for its unbeatable out time. Our vertical integration of Cyanate Ester resin production will allow us to provide a definite advantage to our customers in both availability and costing.”

Enduredge NTC-425 Cyanate Ester System is available in numerous carbon fibre fabrics, fiberglass, and quartz as well as Unidirectional tapes. Ideal applications range from larger structures, high service temperatures and Radomes.

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