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For Immediate Release

Simple solution for manually held mixheads: Bayer MaterialScience LLC’s BAYonet rapid mixhead mount system injects additional safety, convenience and efficiency

March 3, 2010

Pittsburgh, March 3, 2010 — Operators using a manual mixhead insertion process during reaction injection molding (RIM) can now benefit from the BAYonet system. This rapid mixhead mount concept was developed by Bayer MaterialScience LLC, one of the world's leading manufacturers of polyurethane raw materials and polyurethane systems.

The innovative, yet practical BAYonet system helps solve common challenges associated with RIM production systems, such as rotary table systems, in which the mixhead must be quickly attached – then detached after injection. These challenges include but are not limited to:

Accurately centering the mixhead into/onto the mold
Holding the mixhead firmly against the mold to avoid leakage, and
Safety concerns because the operator is in close proximity during injection.

The BAYonet system locks into position after the mixhead is accurately centered and placed by the operator. This enables the operator to move away from the injection point, translating into enhanced employee safety. The system is mobile for a multiple-mold environment when there's only one mixhead in use, for greater operational efficiency.

"Currently, there are not many options out there for a quick disconnect of a mixhead to a mold," said Michael F. Palmosina II, senior technical service specialist, RIM & Composites Group, Bayer MaterialScience LLC. "The BAYonet system not only meets this current need, but at the same time injects an extra measure of safety into the process."

Palmosina and others on Bayer MaterialScience's Technical Services team often visit mold shops as part of the company's commitment to furthering polyurethanes industry innovation. Palmosina developed the BAYonet concept after observing the traditional RIM process and striving to find a safer and more efficient approach.

"It's a simple design that molders will be able to adapt to their existing equipment and processes," said Palmosina, noting that the BAYonet system is available from Bayer MaterialScience Technical Services. No license is required for use.

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 nearly 15,100 employees at 30 sites around the world and 2008 sales of 9.7 billion euros. Business activities are focused on the manufacture of high-tech polymer materials and the development of 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.

For more information about Bayer MaterialScience LLC's BAYonet concept, call 1-800-662-2927, e-mail naftainfo@bayerbms.com or visit www.bayermaterialsciencenafta.com.

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This website 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 www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

Media Contact(s)
Name:	Thomas E. Erdner
Phone:	412-777-5200
Company:	Bayer MaterialScience
Email:	thomas.erdner@bayerbms.com

Bayer MaterialScience LLC’s BAYonet rapid mixhead mount system injects an added measure of safety, convenience and efficiency into the reaction injection molding process.