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 Post subject: Epoxy question
PostPosted: Sun Dec 05, 2004 10:51 am 
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Joined: Thu Nov 18, 2004 12:05 pm
Posts: 52
Location: Weimar, TX
Just finished butting my bottom panels with wood flour. Used the slow curing hardner. The weather here is about 60 degrees and is raining a little so humidity is high. Question, when do you know when the epoxy has cured enough so you can go to the next step and apply the cloth?
Thanks


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PostPosted: Sun Dec 05, 2004 11:49 am 
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Joined: Fri Jun 18, 2004 8:14 pm
Posts: 4855
Location: Greensboro, NC
Do a thumb-nail scratch test. If you can scratch it, wait a little longer.

With slow cure and your weather conditions, I'd 24 hours is the most you should have to wait.

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PostPosted: Mon Dec 06, 2004 9:09 pm 
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Joined: Mon Dec 06, 2004 8:57 pm
Posts: 2
Another tell tale sign of an incomplete cure is when you see little balls forming instead of dust when you start to sand.

I built a Glen-L boat last winter in New England and I had plenty of practice working with epoxy through the cold winter. 60 degrees + slow hardener may take a little more than 24 hours to cure. Be patient. It will cure.

Good luck,
Dan


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 Post subject: Slow Epoxy - cool temps
PostPosted: Tue Dec 07, 2004 10:50 am 
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Joined: Wed Sep 08, 2004 11:38 am
Posts: 97
Location: Houston, TX
James, you can speed up the curing process by adding some heat to your work area. Also, be careful sanding "Just cured" epoxy. It can cause a bad rash when you think it's benign. Ca

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