Bayer Polymers LLC (www.bayer.com/polymers-usa) has come out with a new materials system that helps manufacturers get back to nature. Called Baypreg F, it features a polyurethane chemistry optimized for use with natural fiber reinforcing mats and a related processing technology from
Bayer's Hennecke Machinery Unit. Parts made from the system—which can be found in Audi, BMW, and Mercedes-Benz interiors—typically use a natural fiber mat made from flax and sisal. Hemp mats are another possibility. Bayer has also used the technology to create sandwich-panel composites-in which natural fiber mat and polyurethane surround a honeycomb core made from paper or aluminum.
Two new technologies from Stratasys, created in partnership with Boeing, Ford, and Siemens, will bring accurate, repeatable manufacturing of very large thermoplastic end products, and much bigger composite parts, onto the factory floor for industries including automotive and aerospace.
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