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In-Mold Polyurethane Gelcoats from Bayer Stand Up to Mother Nature.

Indianapolis, IN, May 10, 2012 --( Styrene and unsaturated polyester gelcoats have traditionally been used for such demanding outdoor applications as transportation, marine and wind energy, among others. However, composite parts fabricators have been seeking a gelcoat that not only stands up to Mother Nature but is also more environmentally friendly. Polyurethane gelcoats are a viable solution.

Polyurethane gelcoats built on Bayer MaterialScience LLC's Desmophen[R] NH and Desmodur[R] N technologies provide excellent weather, impact and abrasion resistance, compared with traditional gelcoats. With polyurethane gelcoats it is possible to tailor the chemistry to achieve each application's desired cure speed. In-mold polyurethane gelcoats are also inherently free of volatile organic compounds (VOCs).

Additionally, polyurethane gelcoats exhibit improved crack resistance, resulting in fewer reject parts during the de-molding process.

“Customization of cure speed and superior weathering properties make polyurethane gelcoats a great choice for composite parts to be used in outdoor applications,” says Dr. Ed Squiller, business development director, Bayer MaterialScience LLC.

He continues, “End-use applications, including wind energy blades, automobiles and heavy-duty trucks, capitalize on the customizable chemistry and excellent outdoor weathering performance of polyurethane gel coats.”

About Bayer MaterialScience LLC:

Bayer MaterialScience LLC is one of the leading producers of polymers and high-performance plastics in North America and is part of the global Bayer MaterialScience business with approximately 14,800 employees at 30 production sites around the world and 2011 sales of 10.8 billion euros. Bayer MaterialScience's 2011 sales in North America were $2.9 billion. The company manufactures high-tech polymer materials and develops innovative solutions for products used in many areas of daily life. The main segments served are the automotive, electrical and electronics, construction, medical, and sports and leisure industries. Sustainability is central to Bayer MaterialScience LLC's business and is based around the key areas of innovation, product stewardship, excellence in corporate management, social responsibility and respect for the environment.

Forward-Looking Statements

This news release may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer's public reports which are available on the Bayer website at The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

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Contact Information:

Bayer MaterialScience LLC

Tom Erdner


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For more information about Bayer MaterialScience LLC's coatings technology, call 412-777-3983 visit
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Date:May 10, 2012
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