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Old Aug 29, 2005, 04:22 PM
It pays to be a winner
Keith R.'s Avatar
T-Town, AZ
Joined Jun 2004
1,733 Posts
the new 77 includes acetone which is corrosive on certin types of foam, like EPS.

(pround member of the NRA and AMA )
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Old Aug 29, 2005, 04:55 PM
Embrace the suck
nauga's Avatar
Joined Nov 2004
4,269 Posts
Originally Posted by raptor22
The new stuff works fine, just needs a little different technique. It's kind of a pain, but whatever.
I've found that for tacking stuff to EPS, like glass before adding resin, a light mist of the new stuff works fine. I wouldn't recommend sheeting an EPS wing with the new stuff, since you need a heavier coat of the stuff. Have you had good results sheeting EPS with new-style 3M77?

and the foam-eating mist
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Old Aug 29, 2005, 07:16 PM
Striving to Rip the Bring
raptor22's Avatar
San Diego, socal, USA, North America, Earth, Solar System, the Orion arm, Milky way, Universe
Joined Apr 2003
6,320 Posts
I haven't tried it, so I can't say from eprsonal experience, but there was a thread in composited fabrication on it, and it seems to work fine.

Some of those who posted prefer 3m 45, though. I like 90 for most stuff...its reasonably stronger, but comes out a bit thicker.
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