this post was submitted on 14 Jun 2023
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Thanks! Are you talking pure tung oil?
Yes, pure tung oil only. Anything else is not food safe.
Food safety and finishing is a myth: see the writeup by Bob Flexner: https://www.woodcentral.com/articles/?page=496&tags=finishing&search=&op=AND
It makes sense that finishes wouldn't be sold if they were unsafe. The people I sell to always ask about the finish being food safe, so I feel I have to tell them that what I use is food safe. I'm not going to to try to explain that all finishes are safe.
Right, tung oil just sounds much safer than varnish.
Speaking of safe, watch those rags. Boiled linseed is the worst, but I'm pretty sure Tung can self ignite as well.