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Old May 31, 2010, 07:24 PM
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EPO and Epoxy + Fiberglass ??

EPO and Epoxy + Fiberglass is it possible ???
Any ideas.

Jose
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Old May 31, 2010, 07:40 PM
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Mark Wood's Avatar
United States, CA, Bear Valley Springs
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EPO is supposed to flex though. I'd consider Minwax Polycrylic and f-glass as it should flex with the foam more.

mw
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Old May 31, 2010, 08:05 PM
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that's a good idea .
Anybody has experienced fiberglassing a whole EPO fuse after a big crash???
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Old May 31, 2010, 08:34 PM
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Might soak up a lot of Resin with all the open spaces in the EPO. You might want to tape it up then glass it, the do a lost foam trick.
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Old May 31, 2010, 08:42 PM
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thats another good one ,i have a friend who is offering me a GWS Me 262 that crash bad .I'm going to need to build a new nose and i will like to reinforce it ,my idea was to use 2 Oz fiberglass and finish epoxy ,but i have never worked before with EPO and i don't know is the resin will bond on the surface of the foam .
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Old May 31, 2010, 10:44 PM
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Quote:
Originally Posted by rockbus View Post
You might want to tape it up then glass it, the do a lost foam trick.
What eats EPO?

mw
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Old Jun 01, 2010, 08:39 AM
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Don't know really ...need advise guys ...!!
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Old Jun 01, 2010, 11:20 AM
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Originally Posted by JosePain View Post
Don't know really ...need advise guys ...!!
I dont know either. Never thought of that. What ever it is I bet we can't get in SoCal?

I'll try Tolulene and acetone on some EPP tonight (I dont have EPO) to see what happens.
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Old Jun 01, 2010, 06:29 PM
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i think every solvent will desolve any type of foam ...
but no answer about EPO and epoxy yet ..
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Old Jun 02, 2010, 12:01 AM
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Well Tolulene and Xylene does not affect EPP at all. I should have known since we use both to thin Goop. Alchol does nothing either. I dont have anything else to try.
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Old Jun 02, 2010, 12:33 AM
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Quote:
Originally Posted by Mark Wood View Post
What eats EPO?

mw
fire....
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Old Jun 02, 2010, 08:52 AM
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seems like EPO will take pretty much anything ...
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Old Jun 02, 2010, 06:23 PM
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Quote:
Originally Posted by JosePain
seems like EPO will take pretty much anything ...
Except polyester, CA, goop.....

Yes, EPO will take epoxy, but it's not very strong. I covered a fuse with lightweight cloth (3/4oz glass) and polyurethane floor varnish, and while it wasn't particularly strong it worked ok for what I wanted.
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Old Jun 02, 2010, 06:24 PM
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Mt Annan Sydney Australia
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Why not build a wood nose on it glass that with 2oz and the rear with glass tissue
or foam glass tissue and as Mark said Minwax Polycrylic .EPO is pretty solvent resistant but never hurts to test a small piece first.
SteveW
P.S EPO is expanded polyolefin.
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Old Jun 02, 2010, 06:31 PM
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i think as Steve says, better try in a small portion a see what happens ,never tried the Minwax ....
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