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Urethane glue shelf life C & E 02-22-2008
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Posted by C & E on February 22, 2008, 7:06 pm
I had bought a small bottle of Sumo, urethane glue about 8 months ago and
found a project for it today. I was shocked when I found the bottle to be
firm and, when I opened it the glue was more firm than usual. I got what I
needed and pitched the rest. That was a pretty expensive bottle considering
that I only got one use.

Finally, the question. What IS the shelf life of **unopened** urethane
glue? I had a similar sized bottle of Gorilla Glue and it lasted much
longer even though it had been used and there was air in the bottle. I did
store it on its head but still...

TIA,
Chuck



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Posted by charlie on February 22, 2008, 7:15 pm

>I had bought a small bottle of Sumo, urethane glue about 8 months ago and
>found a project for it today. I was shocked when I found the bottle to be
>firm and, when I opened it the glue was more firm than usual. I got what I
>needed and pitched the rest. That was a pretty expensive bottle
>considering that I only got one use.
>
> Finally, the question. What IS the shelf life of **unopened** urethane
> glue? I had a similar sized bottle of Gorilla Glue and it lasted much
> longer even though it had been used and there was air in the bottle. I
> did store it on its head but still...
>
> TIA,
> Chuck

what does the label say? what does the person at the other end of the 800 #
that is on the label say? does the label say how to reconstitute it?

i recently had a tube of ge silicone fail to harden even though it was
before the expiration date. they replaced it for free.



Posted by Frank on February 22, 2008, 7:25 pm
C & E wrote:
> I had bought a small bottle of Sumo, urethane glue about 8 months ago and
> found a project for it today. I was shocked when I found the bottle to be
> firm and, when I opened it the glue was more firm than usual. I got what I
> needed and pitched the rest. That was a pretty expensive bottle considering
> that I only got one use.
>
> Finally, the question. What IS the shelf life of **unopened** urethane
> glue? I had a similar sized bottle of Gorilla Glue and it lasted much
> longer even though it had been used and there was air in the bottle. I did
> store it on its head but still...
>
> TIA,
> Chuck
>
>
Traces of moisture will cause isocyanate glues to gel. Even plastic is
permeable even when tightly sealed. I would expect an expiration date
for unopened material.

Posted by Jim Yanik on February 22, 2008, 7:41 pm

> C & E wrote:
>> I had bought a small bottle of Sumo, urethane glue about 8 months ago
>> and found a project for it today. I was shocked when I found the
>> bottle to be firm and, when I opened it the glue was more firm than
>> usual. I got what I needed and pitched the rest. That was a pretty
>> expensive bottle considering that I only got one use.
>>
>> Finally, the question. What IS the shelf life of **unopened**
>> urethane glue?

ISTR Wood Magazine saying one year,UNopened.
(trouble is,you don't know how long the bottle was on the store shelf.)

They have done some glue tests,and you may be able to search their web
site.

>>I had a similar sized bottle of Gorilla Glue and it
>> lasted much longer even though it had been used and there was air in
>> the bottle. I did store it on its head but still...
>>
>> TIA,
>> Chuck
>>
>>
> Traces of moisture will cause isocyanate glues to gel. Even plastic
> is permeable even when tightly sealed. I would expect an expiration
> date for unopened material.
>



--
Jim Yanik
jyanik
at
kua.net

Posted by C & E on February 22, 2008, 10:16 pm

>I had bought a small bottle of Sumo, urethane glue about 8 months ago and
>found a project for it today. I was shocked when I found the bottle to be
>firm and, when I opened it the glue was more firm than usual. I got what I
>needed and pitched the rest. That was a pretty expensive bottle
>considering that I only got one use.
>
> Finally, the question. What IS the shelf life of **unopened** urethane
> glue? I had a similar sized bottle of Gorilla Glue and it lasted much
> longer even though it had been used and there was air in the bottle. I
> did store it on its head but still...
>
> TIA,
> Chuck


I hadn't thought of an expiration date. The glue went with the trash so,
lesson learned. I am sceptical of refunds since so many of them ask that
you send the product back. I'll check and thanks for a reality check.



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