Polycarbonate Chemical Compatibility Overview
This overview shows the chemical resistancy of Lexan polycarbonate sheet. Chemical compatibility of thermoplastics e.g. Lexan is
dependent on contact time, temperature and stress (external stress to which the application is subjected).
Chemical exposure can result in discoloration, softening, swelling, crazing, cracking or loss of properties of the thermoplastic.
The chemicals listed have been evaluated for Lexan according a very stringent GE-test method. This test incorporates exposure to
the chemical under defined conditions including temperature (20 and 80 C) and stress (0.5 and 1% strain) for a time period of seven
days. The results are listed in the overview using symbols (+ or 0 or -) which are explained below.
This information should be used as indicative only. The true chemical compatibility can only be determined under conditions as in
the final application. Please contact your local representative in case additional information is required.
Metal & Metal Oxide
Poor; Not recommended-will result in failure or severe degradation.
Fair; Found marginal-only for short exposures at lower temperatures or when loss of properties is not critical.
Good; Found unaffected in its performance when exposed with regards to time, temperature and stress according
the GE-test method.
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all available sources (including finished product testing in its appropriate environment) of
the suitability of the products supplied for its own particular purpose. Because actual use
of the products by the user is beyond the control of General Electric Company, its
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*Company not connected with the English company of a similar name.
Fish are crucial in oceanic carbon cycle : Nature Newshttp://www.nature.com/news/2009/090115/full/news.2009.30.htmlPublished online 15 January 2009 | Nature | doi:10.1038/news.2009.30 Chemistry models need to incorporate new discovery. Fish may play a more important role in the marine carboncycle than previously thought, a new study shows. Researchers have found that fish excrete prodigious
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