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Old 18th February 2013, 04:36 PM   #1
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Default What adhesive to use for Sorbothane?

I'm building a multi-layer platform for my TT - 2" HDF (yes, not MDF) followed by a 3/16" layer of Duro 30 Sorbothane, followed by a 3/8" sheet of granite. The HDF is smooth finished, but the granite has one smooth side and one side that would require a fill type adhesive.

I'd like to know what non water-evaporative adhesive I can use on Sorbothane. In the HDF layer I was wondering if I could use something like 3M Spray 80. In the granite layer I'm not sure what I could use. Both interfaces would require high bonding strength due to the nature of the weight involved.

Last edited by tonyptony; 18th February 2013 at 05:42 PM.
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Old 18th February 2013, 04:51 PM   #2
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3M 467.
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And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
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Old 18th February 2013, 04:56 PM   #3
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Or?

Improved Sorbothane Components Featuring 3M 200MP Adhesive Stay Put | Sorbothane
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Old 18th February 2013, 05:05 PM   #4
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That's actually the same adhesive.
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And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
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Old 18th February 2013, 05:09 PM   #5
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Okalee dokalee,

Ned.
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Old 18th February 2013, 05:41 PM   #6
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Hmm, I hadn't thought of tape. I thought tape would have a higher possibility of failing (peeling away under the weight of these materials). After I posted this I spoke to a support person at the place where I bought the Sorbothane. He said that for the Sorbothane to HDF interface, 3M Spray 80 shoukd work well, and that for the granite layer I should use Gorilla Glue (!) as I would probably need some gap filling there.
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Old 18th February 2013, 05:44 PM   #7
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467/468/200 are insanely strong adhesives- the only issue is that once you touch surfaces, there's no chance to re-position.
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And while they may not be as strong as apes, don't lock eyes with 'em, don't do it. Puts 'em on edge. They might go into berzerker mode; come at you like a whirling dervish, all fists and elbows.
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Old 18th February 2013, 05:54 PM   #8
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Tony,
The Gorilla glue is a single component urethane adhesive. It dries by a reaction with the moisture in air. There are many urethane adhesives that would do the job on a porous surface such a granite. A two component urethane is 3M 3532 You would also be able to use many epoxy adhesives. 3M 2216 is a high strength epoxy. A spray adhesive could work but would have no gap filling properties and have less surface bonding strength but you probably wouldn't have a problem with either approach as you will have a fairly large surface contact area either way.
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Old 20th February 2013, 03:01 PM   #9
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Why not use ones that Sorbothane manufacturers recommend?
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Old 20th February 2013, 03:14 PM   #10
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CAl,
That would be entirely to easy, to follow the manufacturers recommendations! Where is the creativity in that, how will he know how to screw it all up!
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