The flap fairings of the new MC-21-310 aircraft can withstand a temperature range from −190 to +450 °C — previously, such a range required imported materials. Now these composites are produced in Russia.
The development is being carried out by ITEKMA. These materials are critical for the production of domestic aircraft, including parts for the PD-8 and PD-14 aircraft engines.
The Engineering and Innovation Support Center (CPII) clarified that the company's products are designed to operate in extreme conditions — from −190 to +450 °C.
In particular, ITEKMA's materials are already used in the manufacture of parts for the MC-21 aircraft — flap track fairings, composite wing elements, floor panels, and luggage compartments.
The high-temperature prepreg production line was launched at the plant from scratch. These are semi-finished composite parts — carbon fabrics and tapes impregnated with a binding material.
Complex structural elements are formed from them, which then undergo heat treatment in autoclaves. The CPII emphasized that equipment of this class had not been produced in the country before.
Nevertheless, the MC-21 completed only 30% of its flight program, Rosaviatsia noted. The aircraft needs to perform about 200 more flights and verify 250 evidentiary documents.
