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Can I use glue past it's shelf life?

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Forum topic by Damian Penney posted 05-08-2009 03:26 PM 1012 views 0 times favorited 8 replies Add to Favorites Watch
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Damian Penney

1141 posts in 3453 days


05-08-2009 03:26 PM

Topic tags/keywords: glue shelf life frugal

So I have some of this Ultra Cat glue that I bought way back in March 07, how can I determine if I can still use it?

It says it has a shelf life of 12 mths, but I can’t quite see how a powder goes ‘off’.

Thoughts?

-- I am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso


8 replies so far

View Peter Oxley's profile

Peter Oxley

1426 posts in 3337 days


#1 posted 05-08-2009 03:37 PM

You could test some and make sure it’s still doing what it should. Todd Clippinger posted a video about testing glue joints.

I always wonder the same thing about medications in pills. Where exactly does the active ingredient go?

-- http://www.peteroxley.com -- http://north40studios.etsy.com --

View woodworm's profile

woodworm

14164 posts in 3053 days


#2 posted 05-08-2009 03:38 PM

I have used expired glue on the face to face glue up with no problem. Maybe because of the glue up area is wide, the glue’s weakness would not show off now. However, I never tried it on edge to edge glue up unless it is reinforced by biscuit plates or dowels.

-- masrol, kuala lumpur, MY.

View a1Jim's profile

a1Jim

115202 posts in 3039 days


#3 posted 05-08-2009 05:59 PM

Just give it a test like peter said. Glue two pieces together let dry and break the joint if the glue falls then its bad if the wood breaks your ready to rock an roll.

-- http://artisticwoodstudio.com Custom furniture

View Damian Penney's profile

Damian Penney

1141 posts in 3453 days


#4 posted 05-08-2009 06:00 PM

The glue in question is for applying veneer, so the test would really be longevity (I think)

-- I am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso

View CharlieM1958's profile

CharlieM1958

16242 posts in 3680 days


#5 posted 05-08-2009 06:02 PM

If it is a piece of work you are putting a lot of time and effort into, I wouldn’t risk it to save a few bucks on new glue. Chances are it would be fine, but are you willing to take the gamble?

-- Charlie M. "Woodworking - patience = firewood"

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Damian Penney

1141 posts in 3453 days


#6 posted 05-08-2009 06:05 PM

You make a really, really good point Charlie :) New glue it is!

-- I am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso

View Chris Wright's profile

Chris Wright

540 posts in 2943 days


#7 posted 05-08-2009 06:32 PM

I’d say that experation date or shelf life is all that the company will guarantee that it will be effective. I agree with Charlie, go ahead get yourself some new glue for this project, but give the old stuff a test and see what happens, the worst thing that happens is you throw it away.

-- "At its best, life is completely unpredictable." - Christopher Walken

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Damian Penney

1141 posts in 3453 days


#8 posted 05-09-2009 12:50 AM

New glue ordered :) Better safe than sorry I guess.

-- I am always doing that which I can not do, in order that I may learn how to do it. - Pablo Picasso

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