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Epoxy finish issues

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Forum topic by BoardCop posted 01-03-2015 03:06 AM 583 views 0 times favorited 2 replies Add to Favorites Watch
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BoardCop

187 posts in 987 days


01-03-2015 03:06 AM

Topic tags/keywords: epoxy finish question

Hi you all, I just finished a live edge bar that’s going to be outside. I used west systems epoxy like I do on my spearguns and have issues this time that I’ve not before. First the epoxy has some sort of oily film I can’t seem to get rid of. Second lots of air bubbles. Lastly a milky look to different parts of it. Any ideas or help would be appreciated.

-- Angie, If dogs don't go to heaven, then when I die I want to go where they go!


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MrUnix

4234 posts in 1665 days


#1 posted 01-03-2015 03:27 AM

Did you use the correct hardener (207 clear IIRC) and apply it within the temperature range for it (no colder than roughly 60F)? I’ve also had problems regarding the milky appearance when applied in high humidity. Have no idea about the oily film you mention.. other than sometimes epoxy will form an ‘amine blush’ that can easily be removed with a damp cloth. As for the air bubbles.. the preferred method to remove them is to let the epoxy flow out completely, then hit the bubbles with a torch to pop them. There are a couple of videos floating around out there that shows the process. I’ve also found that you can get rid of most, if not all of the bubbles by vibrating the epoxy.. a vibrating sander placed under the surface being coated works pretty well. You can catch any remaining ones with a torch if needed.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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BoardCop

187 posts in 987 days


#2 posted 01-03-2015 03:47 AM

Thanks Brad. Yeah I used the correct mix. As far as the torch goes I’ve never tried that. I’m in Florida so yeah high humidity and in the high 60s. I’ll try and find one of the videos. With my spearguns I always thin the epoxy out so never ran into this. Thanks for your help! :)

-- Angie, If dogs don't go to heaven, then when I die I want to go where they go!

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