Replies

1. 
   Xcomunic8d | Dec 31, 2023 07:05pm | #1

   I’ve had some for well over 5 years. Like 7? And it’s fine. It definitely got thicker but I used some on a piece of scrap no issues.

   As long as not cloudy or gummy, I’d recommend trying a piece of scrap and go from there. Same applies to tung oil too.

2. 
   DRBWWing | Jan 02, 2024 11:19am | #2

   I think there is I don't know how long. I remember a bottle of Tung Oil completely turned to goo.

   I just used some that has been opened a few years to recoat my MDF assembly table. I mixed it with equal parts naphtha and polyU. 3 days and still sticky.................

3. 
   stantheman | Jan 02, 2024 02:51pm | #3

   I thought it goes bad from exposure to oxygen. I had an open gallon container that I poured into smaller pint-sized containers with no air space and they haven't gelled over yet, after a few years.

1. 
   user-3344055 | Jan 02, 2024 05:49pm | #4

   Thank you everyone! I, of course, searched this on the site after I posed the question. The answer I found was that it BLO will stay usable indefinitely. As you folks have posted it's easy to spot when it goes south. I had no issues with material in my 1/2 full gallon that's 8 years old. Thank you all again! Happy new year.