Reply by HoBoMoNK

Rick:

1. Your link doesn’t work for me, but I am very familiar with Tung Oil and Polymerized Tung Oil.
I am also very familiar with the products offered by Lee Valley.
I’m involved in the production of artisan wood finishing products, including small batch polymerized tung oil.
Also, I’ve been a consulting chemist to several large paint and wood finishes manufacturers.

2. The original question mentioned the use of “tung oil finish” which is a popular product in the USA that is a diluted wiping varnish, not a tung oil product, e.g. Formby’s Tung Oil Finish and others.

3. The original question mentioned finishing a humidor. I would never use and kind of drying oil, e.g. BLO, tung, etc. Nor would I use anything that contained mineral spirits or turpentine. The smell will linger inside the box for a very long time; something you don’t want in a humidor. IMNSHO, a good way to ruin a humidor is to use real oil finishes or even so-called Danish Oils (oil and varnish blends).

The only finishes of choice for outside humidors is shellac and natural waxes.
The cedar liner should, of course, be left unfinished.

Note: I was answering the original question based upon the facts given.

Google “tung oil finish” for a plethora of discussions about this strangely mislabeled product.

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