Epoxi and European Oak?

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gostap
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Location: South of Sweden

Epoxi and European Oak?

Post by gostap » Mon Aug 20, 2018 4:15 am

Hi;

I am building the Key West and have questin about framing concerning gluing.

Tried to find information about using Epoxi for gluing oak. Here in Sweden I was told that Oak and epoxi doesn't work well together. I wonder if thats true? What is your experience? Could I use Polyurthan instead?

Best regards,

Gosta

TomB
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Re: Epoxi and European Oak?

Post by TomB » Mon Aug 20, 2018 5:40 am

Hi Gosta,

Sand the oak with 80 grit, wipe off the dust, wipe with alcohol to dissolve and remove any wood resins from the surface, and apply the epoxy, lightly clamp the pieces together, works fine.

Tom

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sproggy
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Re: Epoxi and European Oak?

Post by sproggy » Mon Aug 20, 2018 6:23 am

I'm using West epoxy with oak and it seems fine. In fact because of some of the scare stories I tested a few bonded off-cuts - both oak to oak and oak to ply. I even soaked one in water (to allow the oak to expand) for a few days and still the wood failed when I attacked it, not the epoxy. It wasn't a scientific test by any stretch of the imagination but it satisfied me. As long as you give it a good key with 80 grit as TomB said you should be OK. I degrease with methylated spirit for encapsulating but I've not bothered for bonding.

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gostap
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Re: Epoxi and European Oak?

Post by gostap » Mon Aug 20, 2018 7:08 am

thanks a lot for answers, greateful :)

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gostap
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Re: Epoxi and European Oak?

Post by gostap » Mon Aug 20, 2018 12:36 pm

just one more questin...when you said 80 grit, it that the same as 80 k/g which is the "Swedish" designation?

TomB
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Re: Epoxi and European Oak?

Post by TomB » Mon Aug 20, 2018 12:52 pm

I am not sure of the Swedish designation. 80 grit (or P80) is a designation for how fine or coarse the aggregate is on the paper. 20 grit would be very course, like small stones, 80 grit is like course sand, 1000 grit is much smoother like rough paper. Here is an example, from Sweden maybe, https://www.clasohlson.com/se/SLIPBAND-P80/50-6089 .

Tom

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gostap
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Re: Epoxi and European Oak?

Post by gostap » Mon Aug 20, 2018 10:44 pm

ok, thanks a lot. It is the same designation as in Sweden :)

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