Darryl Keil Last Activity 2025-09-09 11:09 AM
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mike mcnerney

Posts: 87

Joined: 2003-07-17
Location: ottawa ontario

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Subject : unibond test
Posted : 2009-11-22 7:09 AM
Post #35781
OK I read what I could find on what you have already said on the shelf life of unibond. But I am wondering if I can approach the question this way.
Can I test old unibond & be able to tell if it's OK.
I bought 2 gals 2.5 years ago & only used .5 of one. That stuff is very thick won't even pore. The other unopened one seems pretty fluid, maybe thick maple syrup or thin honey? Of course I can't afford to take any chances but can I test it some how? I'm thinking glue up a couple of samples & expose one to water & one to heat & see if they hold together?
cheers. In the future would one of those inert gas products help?
MM


 
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Darryl Keil

Posts: 1455

Joined: 2003-05-22
Location: Maine

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Subject : RE: unibond test
Posted : 2009-11-22 11:16 AM
Post #35782 - In reply to #35781
Mike,

Clearly the one that is very thick is no good, the other one I would test. After gluing up, wait 24 hours then try to break the glue joint if you do it with solid wood, or rip up the veneer if you're veneering. If you test the glue on solid make sure you have a sanded surface for the best bond.

The best thing for long storage life is to keep the glue in the fridge. The colder you keep Unibond 800 the longer it lasts.

Darryl Keil
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