Evonik Composites Press Release

China helicopter passes cold weather flight test

Shanghai, March 10, 2012

The AC313 became the first China-made aircraft authorized by China's civil aviation authority in January to fly in high-altitude regions of over 4,500 meters above the sea level. Xu Chaoliang, the chief designer of the helicopter, said the company has so far received 32 orders for it.

The rotor blades of AC313 helicopter are subjected to enormous stresses. Advanced high-performance rotor blades based on sandwich constructions with a ROHACELL® rigid foam core satisfy these demanding requirements. Because of its outstanding material properties—primarily its excellent compression and shear strength, even under prolonged dynamic stress—ROHACELL® has proven to be an excellent material for structural foam in fiber composite components for the aviation industry. The applications range from winglets on airplane wings, through loading doors, landing gear doors, pressure bulkhead reinforcement, and reinforcement ribs in the engine cowling, all the way to the folding tables in the passenger cabin. The reduced weight saves fuel and also reduces CO2 emissions.

CAIH, a wholly owned subsidiary of the China Aviation Industry Corp., is expected to produce 300 helicopters annually by 2015, making it one of the major helicopter suppliers in the world.

Headquartered in Tianjin, the company is mainly engaged in the research and development, production, maintenance and sales of helicopters and other aircraft and aviation components.

Evonik is one of the world’s leading specialty chemical companies. The Performance Polymers Business Unit manufactures an ever-expanding range of advanced, long service life materials to meet the critical demands of the aviation and aerospace Industries. You’ll find our high performance and flame resistant polymers on many takeoffs and landings, inside and out. Evonik materials provide key OEMs and supply chain partners with the design freedom needed to engineer high quality, unique products. We’re ranked high as an innovation partner because we understand changing technical requirements and strive to offer next generation aviation materials. Evonik supports ongoing product development efforts focused on weight reduction, impact resistance and fuel savings while lowering production costs and maintaining reliability and safety.

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Grace Shen

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    Evonik, the creative industrial group from Germany, is one of the world leaders in specialty chemicals. Its activities focus on the key megatrends health, nutrition, resource efficiency and globalization. In 2010 about 80 percent of the Group’s chemicals sales came from activities where it ranks among the market leaders. Evonik benefits specifically from its innovative prowess and integrated technology platforms.
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