Originally Posted by
David Walser
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Danish oils are a blend of hardening oil finishes, typically boiled linseed oil, and some kind of film finish. If you apply several coats, you can build up a film finish just like you can with lacquer or poly. (In my experience, lacquer and poly are both more durable than a Danish oil film finish. They are also easier to apply if that's the look you are going for.) If you don't apply several coats, the Danish oil will harden within the wood itself -- a few fractions of an inch deep. This leaves a finish very similar to a naturally hardening oil. While renewing a Danish oil finish is fairly simple, most users won't have Danish oil in their pantry or recall what kind of finish was used. So, as a practical matter, it becomes as difficult for a user to renew the finish as if it were a film finish. So, again, for a utility piece, I avoid Danish oil.
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HTH