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PostPosted: Mon Nov 13, 2017 11:17 pm 
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Cocobolo
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I think I need to replace my hardly-used bottle of Titebond 'Extend' wood glue. Its shelf life is about half of ordinary Titebond and I see it is starting to thicken, but not yet stringy.

So, not finding any locally, I was looking around online and I found two versions of 'Extend' in 16-ounce bottles, #4134, whose bottle looks like the one I already have, and a newer-looking bottle with a blue label, also labeled 'Extend', #9104.

Anybody using #9104? Hate to overlook a better product out of ignorance.

Thanks, folks.

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PostPosted: Tue Nov 14, 2017 12:00 am 
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Koa
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I think 4134 is the blue bottle, right? That is Titebond II Extend, which I think means Titebond II with some extra water to increase open time.

I have a bottle of 9104 and use it for binding sometimes when I need more time. Not for gluing purfling to binding before bending, but for putting the binding on the guitar body. For purfling glue up I use Titebond III.

Brad


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PostPosted: Tue Nov 14, 2017 12:08 am 
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First name: Brian
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Franklin has a tech support number on their website and are very generous with help. You would likely get more info than you can digest.

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PostPosted: Tue Nov 14, 2017 9:45 am 
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Cocobolo
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Thanks, folks. I wanted to stay away from Titebond II and its permutations. Much obliged.

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PostPosted: Tue Nov 14, 2017 10:15 pm 
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When I tried TB Extend, I couldn't tell the difference in open time. Don't use TB at all now - prefer Elmer's Carpenter's glue or Gorilla Wood glue, if I use a PVA glue. Used to love the old LMI White glue, but hate the yellow stuff. FWIW

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PostPosted: Wed Nov 15, 2017 6:36 am 
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I use TB original extend. I do some veneer pressing too & Daryl over at vacu press did some testing a few years back & found the rigidity of it to be comparable to his unibond glue which I believe is a urea formaldehyde type

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PostPosted: Wed Nov 15, 2017 11:56 am 
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I make my own TB Extend for things like bindings where I want some more working time. I squeeze some Titebond into an empty cat-food can, add a bit of water, and mix it up with my glue brush. Viola.



These users thanked the author Paul Micheletti for the post (total 2): Bryan Bear (Wed Nov 15, 2017 4:53 pm) • Jonny (Wed Nov 15, 2017 2:26 pm)
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PostPosted: Wed Nov 15, 2017 12:57 pm 
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Koa
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Paul Micheletti wrote:
I make my own TB Extend for things like bindings where I want some more working time. I squeeze some Titebond into an empty cat-food can, add a bit of water, and mix it up with my glue brush. Viola.


What brand of cat-food? ;)

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PostPosted: Wed Nov 15, 2017 1:40 pm 
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Paul Micheletti wrote:
I make my own TB Extend for things like bindings where I want some more working time. I squeeze some Titebond into an empty cat-food can, add a bit of water, and mix it up with my glue brush. Viola.
I think a YouTube tutorial is in order.



These users thanked the author pat macaluso for the post: bcombs510 (Wed Nov 15, 2017 1:57 pm)
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PostPosted: Wed Nov 15, 2017 1:58 pm 
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BTW, how are viola's tuned again?

Aaaaaand we're off the rails.

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PostPosted: Mon Nov 27, 2017 8:33 am 
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I did a glass plate test of Titebond, Titebond Extend, and Elmer's Carpenter's glue. Of the three, Titebond I Extend was the hardest of the three, followed closely by the Elmers. Both were significantly harder than traditional Titebond. I do not believe Titebond Extend is simply Titebond I with additional water, as its viscosity is similar.


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PostPosted: Mon Nov 27, 2017 8:55 am 
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dberkowitz wrote:
... I do not believe Titebond Extend is simply Titebond I with additional water, as its viscosity is similar.


From Hugh.Evans post (he used to work at Franklin):

"Titebond Extend, Titebond Original, or Hot Hide Glue.. That's my order of preference. Extend contains wood flour (very fine sawdust) to increase open time, thermal resistance, and improve creep performance... Which is worried about far too much in luthiery. The use of wood flour is a neat trick in formulation since PVA relies on proximity to form bonds, the microscopic particles of wood effectively increase the bond surface area. It's my go-to for all guitar gluing operations."

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