Fact: Tung oil takes long to dry, but it does dry.

How long does it take for tung oil to dry?

How many coats of tung oil should be used? While there are many advantages to using it, pure tung oil takes two to three days to harden, and needs at least five coats. Oil/varnish blends and wiping varnishes are faster-drying, more practical options, but such terms rarely appear on labels.

Does tung oil dry hard?

Tung oil is very popular today because of two properties: first, it is a naturally derived substance. Second, after it cures (5 to 30 days, weather/temperature related), the result is a very hard and easily repaired finish, so it is used on boat decks and now on floors.