Walnut oil vs. tung oil for kitchen island counter

Lauren_IAJanuary 26, 2008

Does anyone have experience with using walnut oil on counters?

I am doing a kitchen remodel and considering using it on the food-serving section of my bi-level island. This part of the island will be walnut. I anticipate food contact and the occasional wine spill but minimal food prep and absolutely no cutting/chopping.

It is important to me to stay away from as much as I can in chemical finishes so after research on the THS forums I had decided on 100% tung oil (non-polymerized). When I went to the Lee Valley website to check pricing, I found 100% walnut oil and now I'm intrigued.

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I am not sure what you mean by "chemical finishes," but here are some discussions about the subject:

Walnut countertops

Food safe finishes

And some information on tung oil

    Bookmark   January 26, 2008 at 4:50PM
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Here is a link that might be useful: Walnut countertops

    Bookmark   January 26, 2008 at 4:52PM
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VERY helpful! Thank you!

    Bookmark   January 26, 2008 at 6:04PM
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Walnut oil does NOT harden into an actual film.
Tung oil WILL harden and form a film.

Non-film finishes look better when chopping and cutting may occur on the surface.
They are easily repaired by simply applying another coat when the surface starts to look worn.

Film forming finishes provide a higher degree or protection from stains and damage within the limits of the finish, but must often be removed (or at least sanded) before applying a new coat.

Almost EVERY finish is 'food safe' after it cures.

    Bookmark   January 28, 2008 at 7:40PM
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"Walnut oil does NOT harden into an actual film."

Not completely true. Walnut cooking oil will not harden into a film - like any other cooking oil.

Polymerized walnut oil will harden into a film just like tung oil or any other polyermized oil. I use polymerized walnut oil on cutting boards. You need to flood the surface and continue applying the oil over a 20-30 minute period and then wipe off the excess.

The oil will penetrate the surface and then harden at the final depth it has penetrated. Like any other polymerized oil, this forms the base for the subsequent coats.

Reapply the same way another 2-3 times with at least 1-day between applications and you will have a nicely sealed surface.

You can wipe the surface with soap and water to clean it, and then just follow up with another light coat of oil.

We have a butcher block that has been treated like this for the past 6 years and has a beautiful surface.

    Bookmark   February 7, 2008 at 1:11PM
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