Scooby Posted October 30, 2009 Share Posted October 30, 2009 Does anyone know the shelf life on future? I have been getting pebbly finishes lately and I was wondering if it is my bottle. Call me a cheap so and so, but I think my boottle was purchased around 1999. And please don't bury this in the future thread. The question has been asked a few times and perhaps it needs a seperate title from that thread. Quote Link to post Share on other sites
Huey Gunner Posted October 30, 2009 Share Posted October 30, 2009 There is no per say "shelf life" It's only distated by the enviroment it's kept in I believe. If in doubt, buy a new one. My 2 cents. Quote Link to post Share on other sites
72linerlover Posted October 30, 2009 Share Posted October 30, 2009 I have some future rebottled in Italy by a local supplier. (Paid a bunch - 250 cc). It is 2 years old and preserved as gold in the dark. It still works for transparencies, but I don't use it as gloss coat. Some minor yellowing appears in the bottle, but doesn't affect the parts. I don't know if it is the old or new formula but DIETHYLENE GLYCOL MONOETHYL ETHER is common to both. This is the most volatile ingredient thus its vapour tension is the lowest. That's one of the reason Future dries quick and cures more slowly. The pressure inside a bottle is the atmospheric one that was when it was closed last, so I guess that the volatile elements evaporate a little anyway. The more empty is the bottle, the more evaporates. This is only my opinion, but it would be nice if some expert chemist explained about. Regards Euge Quote Link to post Share on other sites
Triarius Posted October 30, 2009 Share Posted October 30, 2009 Yes, it does have a shelf life. Partially, this is due to evaporation of solvent, as Euge mentioned, and partially to aging of the polymer. Exposure to ultraviolet, especially sunlight, will cause yellowing eventually. Future is highly resistant to yellowing, but enough UV, for a long enough time, and it will. I keep most of mine in a very dark, cool corner of the basement. But even then, about 10 years is all you can reasonably expect. If you get more, it's gravy. ;) Y.M.M.V. You may be able to replace some of the solvent loss with 90+% isopropyl alcohol, but you'll have to experiment with it to find how much you need. Quote Link to post Share on other sites
johnsg Posted October 30, 2009 Share Posted October 30, 2009 I've had the same bottle of Future for over 30 years and it hasn't changed color and still does what it's supposed to do. Just lucky, I guess. Quote Link to post Share on other sites
Huey Gunner Posted October 30, 2009 Share Posted October 30, 2009 I've had the same bottle of Future for over 30 years and it hasn't changed color and still does what it's supposed to do.Just lucky, I guess. I'm feelin' you. Had mine for 12 years and I live in a somewhat hostile enviroment. Quote Link to post Share on other sites
Scooby Posted October 31, 2009 Author Share Posted October 31, 2009 I keep mine in the dark as well and I have only used rougly 1/6 of it. I don't think it is evaporating it is well sealed. But who knows. Quote Link to post Share on other sites
Liberator24 Posted October 31, 2009 Share Posted October 31, 2009 Just threw a bottle of yellow stuff that was once Future in the trash...of course, I am in Florida where apparently it never will get under freakin 90!!!!!!!!!!!!!!!!!!!! Stupid weather!!!! -Jim Quote Link to post Share on other sites
volzj Posted October 31, 2009 Share Posted October 31, 2009 Don't you guys get anything built??? I get at most two years out of a bottle... Quote Link to post Share on other sites
majortomski Posted October 31, 2009 Share Posted October 31, 2009 I just got rid of a 10 year old bottle because the bottle cracked, the future was still clear and doing a great job. Quote Link to post Share on other sites
Kalashnikov-47 Posted October 31, 2009 Share Posted October 31, 2009 The Future I'm using was purchased in 2001. Still works great! Quote Link to post Share on other sites
jetdx Posted October 31, 2009 Share Posted October 31, 2009 Don't you guys get anything built??? I get at most two years out of a bottle... :D I was thinking the same thing. I was also asking myself what I do differently that my Future doesn't last that long...good thing it is cheap "Shelf life of Future" is one thing that I don't think about or have to worry about. Quote Link to post Share on other sites
majortomski Posted November 4, 2009 Share Posted November 4, 2009 Because of the discarded cracked bottle above I bought a fresh "new" Pledge with future shine. About 60% the size of the old bottle and $7.31 at the local Homeland store. Quote Link to post Share on other sites
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