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Old 05-13-2011, 05:27 PM
jay.pearlman jay.pearlman is offline
 
Join Date: Jan 2010
Location: Port Angeles WA
Posts: 250
Default 3M

I talked to 3M about their products. The 2000+ is good to 300F. It is meant for fireplaces and not for commercial construction. Under heat, it turns black. It can be replaced by scraping it off and adding more. May or may not be appropriate - 3M support was not comfortable with its use in our environment.
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