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Materials
Covestro advances polyurethane blades
by Michael McCoy
September 12, 2016
| A version of this story appeared in
Volume 94, Issue 36
Working in China with partners, the German polymer maker Covestro has created what it calls the first-ever large polyurethane rotor blade for wind turbines. The company is promoting polyurethane as an alternative to epoxy resins in making fiberglass-reinforced polymer parts. It says polyurethane flows more easily, ensures better wetting of glass fibers, and cures more quickly.
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