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Jamie600 View Drop Down
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Posts: 718 		Post Options Post Options   Quote Jamie600 Quote  Post ReplyReply Direct Link To This Post Topic: Sticky Epoxy
    Posted: 30 Jul 09 at 12:07pm

 

I've tried to do a small repair with epoxy and carbon tape, unfortunately it got rained on before it set and won't go off. I've taken the tape off and cleaned off as much epoxy as I can in order to start again, but I'm left with a sticky residue that won't dry but also won't come off.

Is there anything I can use to clean it off (white spirit?) that won't then stop the new epoxy from sticking, or would I be OK to just put the new epoxy and tape over the sticky stuff and assume it will bond?
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alstorer View Drop Down
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Posts: 2899 		Post Options Post Options   Quote alstorer Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 12:10pm
get some acetone if you can, and use this to carefully clean it off. You want to remove that uncured stuff, otherwise it will fail. 
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s.a.l.t.y View Drop Down
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Posts: 517 		Post Options Post Options   Quote s.a.l.t.y Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 12:12pm
you need some epoxy thinners. that will get it off in a
jiffy.

http://www.ecfibreglasssupplies.co.uk/store/durabuild-
thinners-p-1212.html

That stuff ^^. Its expensive so try and find someone who
has some you can use before you contemplate buying it.
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alstorer View Drop Down
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Posts: 2899 		Post Options Post Options   Quote alstorer Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 12:56pm
Or, as I suggested, acetone

Really.

That, and Methyl Ethyl Ketone (which is in that thinner, but is harder to get hold of on its own) are the main things we use for cleaning the resin mixers at work.
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Posts: 1991 		Post Options Post Options   Quote timnoyce Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 1:10pm
At Hartleys we used to use Acetone for pretty much everything. I agree with Al!
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JimC View Drop Down
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Posts: 6662 		Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 1:53pm
Originally posted by alstorer

Methyl Ethyl Ketone (which is in that thinner, but is harder to get hold of on its own

Small amounts are available from model shops as MEK-PAK polystyrene cement.

Edited by JimC
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Jamie600 View Drop Down
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Posts: 718 		Post Options Post Options   Quote Jamie600 Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 2:02pm

 

Thanks guys, I'll give the acetone a go

I've just found this - same make as the epoxy I'm using so should work (I hope!) http://www.sailboats.co.uk/Catalogue~Blue_Gee_Acetone_Solven t_250ml~p_BG27003~c5193.html



Edited by Jamie600
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Lukepiewalker View Drop Down
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Posts: 1341 		Post Options Post Options   Quote Lukepiewalker Quote  Post ReplyReply Direct Link To This Post Posted: 30 Jul 09 at 3:00pm
Small bottles of Acetone can be found in your local chemist.
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Posts: 314 		Post Options Post Options   Quote dave.blakesley Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 09 at 8:00am
Nail polish remover from tescos = acetone
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Posts: 589 		Post Options Post Options   Quote MerlinMags Quote  Post ReplyReply Direct Link To This Post Posted: 31 Jul 09 at 9:56am
Tescos may add nail conditioners/skin softener too though, so watch out! Doesn't seem to matter for cleaning glue off sails though.
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