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I could be wrong, but I think if dried fully none of them would pose a health risk.
That said
this site says theirs are food safe, and FDA approved.
It will be interesting seeing other answers.
Worst thing they can do is cook ya and eat ya
GW
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The consensous among alot of woodworkers( Curtis Buchanan being one) is epoxy is food safe when it is fully cured.
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You could finish with shellac (which is food safe once dried) and seal with a food safe silicone sealer (Graingers sells this sealer).
No animals were injured or killed in the production of this post.
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I like West System. Their resin is used in commercial water tanks. Give it a week to completely gas off first. That's what I did for the one I made.
There is a FDA certification for epoxy, and I think only a hand full have endured the process. If I was selling it, I'd want to have that assurance for my customers.
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Bob Flexner has state ad nauseam that all finishes are food safe once fully cured
with that in mind, to be on the safe side, I would make and finish these steins a good month in advance of gifting
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Thanks for all the reply. I Purchased a product called "Envirotech" 2 part epoxy. I will be using this week and then giving them as Christmas gifts
US Army retired.
"Even if one person gains from your knowledge, you have shaped a path for the future"