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#1
04-22-2021, 08:26 AM
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A shelf life for Titebond?
I have a large, slightly used bottle, five years old, and only use it once or twice a year. It's kept at room temperature, out of direct sunlight.
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#3
04-22-2021, 08:34 AM
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Ok, will do.
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#4
04-22-2021, 08:56 AM
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I stop using it for anything that matters after one year. I write the date of purchase on each bottle of glue.
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#5
04-22-2021, 09:12 AM
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I do what Charles does too but you can use old TB for household projects and or crafts if you want.
Actually before you toss it, this is a good opportunity to do an experiment. Glue up a couple pieces of wood and test how strong it is. Just out of curiosity.
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#6
04-22-2021, 09:27 AM
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Old Titebond will darken some, and get thicker. I also retire it from luthier work after a year. The bottles have been date coded for a few years now, which is a good thing to know if you are buying from a retailer with low turnover.
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#7
04-22-2021, 11:33 AM
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At titebond they say:
Titebond Polyurethane Glue has a one-year shelf life in an unopened container, but is useable as long as the glue remains fluid. I've used it when kept inside and older than a year but still seemed good/normal when squeezed out. And some time later, it was obviously "not right" when I squeezed some out and I flung it... So... I wouldn't go so far as to say it always looks bad when it is bad, but...  -Mike
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#9
04-22-2021, 01:48 PM
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A thought
'regular' Titebond is NOT polyurethane glue. It's got no reason to ever be used on a guitar.
Overthinking is not needed. Buy a new bottle and date it. If curiosity is compelling look up how Titebond is date-coded (I forgot) and conform to the manufacturer's advice.
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#10
04-22-2021, 08:59 PM
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Quote:
__________________
Bryan 
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#11
04-23-2021, 04:23 AM
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Under the heading of one small step towards world peace...
You guys seem to be talking past each other. Franklin manufactures a variety of adhesives under its Titebond brand name. That includes aliphatic resins, such as their original Titebond, liquid hide glue, polyurethane glue and others. Hubcapsc quoted a shelf life for titebond’s polyurethane glue. Phavriluk responded by stating that “regular” Titebond is not a polyurethane glue, which is true, and suggested that polyurethane glues should not be used in instrument making, which is a common opinion. Hubcapsc then stated that original Titebond is a common adhesive in instrument making, which is true, but is out of context from his original quote regarding Titebond polyurethane glue that is a different adhesive. Thus two different adhesives are being discussed with some confusion as a result.
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#13
04-23-2021, 09:16 AM
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Well, there goes that Nobel Peace Prize.
 I'll let you guys fight it out.
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#14
04-23-2021, 09:31 AM
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LOL!
Yes Polyurathane glue like Gorilla Glue is very different then AR 'carpenters' wood glue. But from what I understand it does have a place in guitar building in that double top makers use it for sandwich tops. I used epoxy for that purpose but the PU glues are commonly used for that. I personally hate the stuff!
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#15
04-24-2021, 07:32 AM
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There is a code of some sort on the bottles that I used to refer to, but I usually date my glues. I then keep them on a shelf even when they are past their usable lifespan. I test all my old glue occasionally out of curiosity, you would be surprised how old glue of all kinds still seems to stick.
__________________
http://victoryguitarshop.com/
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