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Old 02-13-2006, 12:13 PM
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larksrc
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Default epoxy

Hi, What can I use to remove old dry crusty epoxy from my plane. Alcohol? Acetone?
Old 02-13-2006, 12:26 PM
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Rcpilot
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Default RE: epoxy

You can soften it up with your heat gun. Takes quite a bit of heat to soften it up--so if there is covering anywhere around--it'll get burned up.

If you can soften it up with the heat gun--scrape it off with a putty knife or exacto blade.

Or, you can sand it out with a dremel and a sanding drum. Makes lots of smoke and foul smelling fumes that will burn your eyes from now 'till next Sunday. But, it works.
Old 02-13-2006, 05:53 PM
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larksrc
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Default RE: epoxy

Is there some kind of debonder for epoxy like there is for CA?
Old 02-13-2006, 06:37 PM
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Campy
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Default RE: epoxy

Once the epoxy has cured it is either heat and scrape or dremel sand. If the epoxy is still fresh, rubbing alcohol will remove any excess. Up to several hours old I have had mediocre sucess using acetone to remove epoxy (epoxy takes about 24 hours to COMPLETELY cure ).
Old 02-14-2006, 02:11 AM
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JohnW
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Default RE: epoxy

The best "debonder" I have found for epoxy is 100MPH straight down. Seriously, once cured, you can only mechanically remove the epoxy. I know of no chemical debonders. As posted, heat will help soften it if you want to cut and pick at it. I prefer the sanding drum and/or cutting bits in a Dremel. Before it is cured is a differnet matter. Alcohol, acetone and MEK work well for removing before cure. MEK seems the most aggressive and alcohol the least aggressive, but they all work. Cheers.

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