polycarbonate face shields
Posted: Tue Dec 12, 2006 10:45 am
Ok, if faceshields are made of polycarbonate and polycarbonate breaks down with exposure to sunlight, when should you replace them?
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you're supposed to replace them when they get scratchedBachstrad37 wrote:You'll replace them due to scratches and dings before replacing them due to UV deteriation.