Protecting a wood table

[Vas Deferens]

As others have said, you'd need to pretty much strip the factory coating to apply an epoxy finish that would really achieve what it sounds like you're looking for. In that case, I would cover it when not in use and look at refinishing it down the line once the current coating has lost its luster.

I've used total boat epoxy on quite a few projects and have liked the finish and protection its provided. Its definitely cost prohibitive, especially with a piece this size. I've also received high recommendations on the newer stone coat epoxy products from other woodworking buddies, again, cost prohibitive.

With something this size, I think stripping it and applying a UV specific spar-urathane product down the line will be the best bet overall.