Quick building question

[Bill Carpenter]

Use denatured alcohol (ethanol) to cut epoxy and be real careful how much 
you use.  Usually a few drops will thin it down a lot, and adding it will
take the cure time from whatever it might have been to overnight or longer.
You can buy it at Walmart in 1 quart cans.

Adding acetone may thin epoxy, but it will attack foam.  The only thing I
use it to thin is Aerogloss Dope.

----------
From: Bill Mears <bill at mears.com>
To: discussion at nsrca.org
Subject: Re: Quick building question
Date: Wed, May 7, 2003, 9:54 AM


Can  acetone ne used to cut epoxy ?

Terry Brox wrote:
The view was certainly proof of that  LOL
----- Original Message -----
From: "wgalligan" <wgalligan at cnbcom.net> <mailto:wgalligan at cnbcom.net>
To: <discussion at nsrca.org> <mailto:discussion at nsrca.org>
Sent: Wednesday, May 07, 2003 9:12 AM
Subject: Re: Quick building question



I think he os leaning more towards the "something" thing.
WG

 > Are you an epoxy expert or something?  LOL

BTW, Your new contest mate sure has a cute, um, shoe. LOL
  ----- Original Message -----
  From: Gray E Fowler
  To: discussion at nsrca.org <mailto:discussion at nsrca.org>
  Sent: Wednesday, May 07, 2003 8:41 AM
  Subject: Re: Quick building question



  Steve- Rubbing alcohol is a mixture of isopropyl and and water. Water

bad. Epoxy hate water.......Plus amines (the epoxy hardener) really do >

not dissolve well in isopropyl. You are better off with methanol or >
denatured alcohol which is ethanol with a nasty taste killer so you > won't
drink untaxed alcohol.I do not know what epoxy you are using, but > that
center reinforcement is easy without cutting the viscosity. Bring > it to my
house I have lots of low viscosity resins.



  Gray Fowler
  Principal Chemical Engineer
  Composites Engineering


       "Steve Barlow" <stevebarlow at attbi.com> <mailto:stevebarlow at attbi.com>
        Sent by: discussion-request at nsrca.org
<mailto:discussion-request at nsrca.org>
        05/06/2003 10:10 PM
        Please respond to discussion


                To:        <discussion at nsrca.org>
<mailto:discussion at nsrca.org>
                cc:
                Subject:        Quick building question



  Guys,

  I'm doing the fiberglass reinforcement over the balsa sheeting where >

the main wings are joined on a .60 size kit.  Can I use rubbing alcohol > to
cut the epoxy with to thin it just a bit?  Do you think that would > cause
me any problems?  It sure would make it easier.

  Thanks,
  Steve



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