News > English News Press Releases Chemically Resistant Seals Rated to -42°C With DuPont™ Kalrez® Spectrum™ 0040 Parts  Click here for full story DuPont Performance Polymers Introduces Zalak® 5300 Seals for Cost-Effective Sealing in Photovoltaic Crystalline Silicon and Thin Film Manufacturing  Click here for full story Advance in DuPontTM Kalrez® Parts Overcomes Challenges of Harsh Oil and Gas Environments  Click here for full story   Upcoming Tradeshows Trademarks, Terms Of Use, Privacy, and Copyright© 1996-2010 DuPont Performance Elastomers. All rights reserved. DuPont™ is a trademark of DuPont and its affiliates. Copyright© 2010. All rights reserved.