Reply by DCollison

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Posted on water-based polyurethane finish over epoxy

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2 posts in 1918 days

#1 posted 01-23-2013 08:14 AM

Thanks for all the advice, guys. I’ve been reluctant to use the epoxy without a finish coat of some sorts. I’ve read that most clear epoxies are not UV stable, i.e. they will degrade over time if exposed to sunlight/UV rays. Thus, the desire for a UV stable water-based polyurethane over the epoxy.

However, I looked about on the internet this evening and located a product—EX-74—that may be UV stable. I’ve emailed the manufacturer—TAP Plastics—to determine 1) if the product is UV stable; and 2) if sanding is required between coats.

I’ll let everyone know what I learn….thanks again for all your helpful thoughts!


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