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EPO Glue.

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Dai Fledermaus16/01/2020 12:00:36
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1057 forum posts
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I know this question has been asked before, but bear with me.

I'm quite familiar with woodworking glues, but I've just bought my first EPO foam model and Hobbyking have given absolutely no suggestion as to a suitable glue to assemble it. In fact there are no instructions at all with it. Hobbykings bit to save the planet, no doubt, despite the fact it came in a whacking great big delivery box, but that's another story.

There is a lot of information online, much of it contradictory, about the glue to use for repairs to EPO and it seems everyone has their own favourite adhesive.

My question is really about a suitable glue for the assembly not so much repairs. Beacon Foam Tac has been mentioned and UHU-POR, but both are classed as contact adhesives and when I think of contact adhesesives, I'm still thinking of Evostick which sticks on contact like the proverbial. Sliding the wings into place with Evostick would be, how could I put it, interesting.

I bought some Gorilla glue a few months ago which I haven't used yet, and a few people have suggested that, but I'm a bit concerned about it's foaming properties. Some have claimed it can sometimes force components apart.

Any suggestions would be welcome.

Colin Carpenter16/01/2020 12:11:45
635 forum posts
35 photos

De Lux Materials Foam 2 Foam. Assemble wet , clamp leave 24. Recommended and also great for repairs. Colin

Don Fry16/01/2020 12:15:27
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Don't know about foam models. Mystery to me too. But I know foaming Gorilla glue. Strong, don't use too much, it foams, and joints have to be held in place, it foams. Never use it on a joint that is not fixed in place.

Edited By Don Fry on 16/01/2020 12:16:18

Steve J16/01/2020 12:56:05
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1836 forum posts
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UHU Por is good for foam-foam joins. I have assembled over 10 Multiplex foam models using it.

I think that normal cyano is OK for EPO, but check on a scrap first.

Foaming PU's (e.g. Gorilla) are good on foam, but only if the bits being glued can't move as it foams (I have a couple of flying wing gliders with the spars glued in using Gorilla).

Steve J16/01/2020 13:01:06
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1836 forum posts
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Posted by Dai Fledermaus on 16/01/2020 12:00:36:

Beacon Foam Tac has been mentioned and UHU-POR, but both are classed as contact adhesives and when I think of contact adhesesives, I'm still thinking of Evostick which sticks on contact like the proverbial. Sliding the wings into place with Evostick would be, how could I put it, interesting.

For that type of joint, you don't let the Por air dry before joining the surfaces.

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