BAYER MATERIALSCIENCE LLC DEVELOPS NEW PLASTICIZER-FREE SOFT ELASTOMERS FOR APPLICATIONS SUCH AS MOLD-MAKING, ROLLER COVERINGS, GASKETS, SEALS AND DIAPHRAGMS

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BAYER MATERIALSCIENCE LLC DEVELOPS NEW PLASTICIZER-FREE SOFT ELASTOMERS FOR APPLICATIONS SUCH AS MOLD-MAKING, ROLLER COVERINGS, GASKETS, SEALS AND DIAPHRAGMS
17 June 2004 - Bayer MaterialScience AG

Bayer MaterialScience LLC has developed a new group of polyurethane cast elastomer systems that enable casters/molders to produce extremely soft and flexible parts that have excellent tear resistance.

This new proprietary Baytec technology has been developed to provide low durometer characteristics with extremely high tear strength and high elongation - without the use of expensive plasticizers that are often detrimental to the performance of the cast part.

Such performance characteristics position the new Baytec soft elastomers as ideal inexpensive replacements for silicones in repetitive-use parts such as molds. In addition to being 20 percent lighter than silicone rubber, the new Baytec elastomers also offer significant performance and processing advantages over competitive materials in applications such as roller coverings, gaskets, seals and diaphragms.

Exhaustive laboratory testing has shown the new Baytec soft elastomers to be abrasion resistant, resilient, hydrolytically stable, and easily processed, with adjustable pot lives, low mixing ratios and low viscosities. Application and wear tests find them tough and durable, with high elongation values and excellent low temperature properties.

'These new Baytec soft elastomers enable us to offer the market an excellent alternative to higher priced silicones for making molds,' said Bill M. Worms, head - specialties marketing, Bayer MaterialScience. 'We also see great opportunities for these materials in other applications such as roller coverings, seals and gaskets.'

http://www.bayermaterialscience.com

About: Bayer MaterialScience AG
Bayer Corporation, headquartered in Pittsburgh, is part of the worldwide Bayer Group, an international health care, nutrition and innovative materials group based in Leverkusen, Germany. Bayer employs 23,300 in North America with net North American sales of 8.8 billion euros in 2003. Bayer’s three operating business areas – HealthCare, CropScience and MaterialScience, improve people’s lives through a broad range of essential products that help diagnose and treat diseases, protect crops and advance automobile safety and durability.

Bayer MaterialScience AG is one of the world's largest producers of polymers and high-performance plastics. The main customers for Its innovative developments in coatings, adhesives, insulating materials and sealants, polycarbonates and polyurethanes are the automotive and construction industries, the electrical/electronics segment and manufacturers of sports and leisure goods, packaging, and medical devices.

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