[NSRCA-discussion] Epoxy Removal

[Mark Atwood]

I¹m guessing our west coast friends would prefer you elaborate on your
definition of ³open fire².    :)




On 11/1/07 11:33 AM, "Gray E Fowler" <gfowler at raytheon.com> wrote:

> 
> Will be roasting chestnuts on an open fire........had some smoke inhalation
> issues last year with a closed fire.
> 
> 
> 
> Gray Fowler
> Senior Principal Chemical Engineer
> Radomes and Specialty Apertures
> Technical Staff Composites Engineering
> Raytheon 
> 
> 
> "wgalligan" <wgalligan at texasairnet.com>
> Sent by: nsrca-discussion-bounces at lists.nsrca.org 11/01/2007 09:41 AM
> Please respond to
> NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
> To 
> "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> cc
> Subject 
> Re: [NSRCA-discussion] Epoxy Removal
> 
> 
> 
> 
> YES!!!    Next question.
>  
> ----- Original Message -----
> From: Gray E Fowler <mailto:gfowler at raytheon.com>
> To: NSRCA Mailing List <mailto:nsrca-discussion at lists.nsrca.org>
> Sent: Thursday, November 01, 2007 10:46 AM
> Subject: Re: [NSRCA-discussion] Epoxy Removal
> 
> 
> Thank you Wayne-O, now go away.
> 
> will you be home for Christmas...dear?
> 
> 
> 
> Gray Fowler
> Senior Principal Chemical Engineer
> Radomes and Specialty Apertures
> Technical Staff Composites Engineering
> Raytheon 
> 
> "wgalligan" <wgalligan at texasairnet.com <mailto:wgalligan at texasairnet.com> >
> Sent by: nsrca-discussion-bounces at lists.nsrca.org
> <mailto:nsrca-discussion-bounces at lists.nsrca.org> 11/01/2007 08:51 AM
> Please respond to
> NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
> To 
> "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> cc
> Subject 
> Re: [NSRCA-discussion] Epoxy Removal
> 
> 
> 
> 
> 
> 
> Grey I just knew you could come up with the final answer.
> You may proceed to the next level.
>   
> WG 
>   
> ----- Original Message -----
> From: Gray E Fowler <mailto:gfowler at raytheon.com>
> To: NSRCA Mailing List <mailto:nsrca-discussion at lists.nsrca.org>
> Sent: Thursday, November 01, 2007 9:28 AM
> Subject: Re: [NSRCA-discussion] Epoxy Removal
> 
> 
> On cured epoxy solvent will not work....before it damages your covering. Most
> likely you are using an epoxy that you bought at a hobby store or similar. At
> about 130F it will be above its glass transistion temperature, which means it
> will become rubbery and lose much of its adhesive characteristics. Take a
> covering iron, heat the epoxy directly with the iron and while it is hot you
> should be able to remove the epoxy much easier with your razor blade. Epoxy is
> a  "thermoset"  reaction so contrary to most peoples opinion, it will never
> melt nor dissolve with heat or solvent.
> 
> 
> 
> Gray Fowler
> Senior Principal Chemical Engineer
> Radomes and Specialty Apertures
> Technical Staff Composites Engineering
> Raytheon 
> "Ken Velez" <kvelez at comcast.net>
> Sent by: nsrca-discussion-bounces at lists.nsrca.org 10/31/2007 11:06 PM
> Please respond to
> NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
> 
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> To 
> "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
> cc
> Subject 
> [NSRCA-discussion] Epoxy Removal
> 
> 
> 
> 
> 
> 
> 
> 
> Hello all,
> 
> Is there any way posible to remove old dried epoxy from covering without
> damaging it besides trying to pick it of with a single edge blade or #11
> blade. It doesn't stick to covering like it does in wood but the blade
> leaves scratch marks on the covering. Any ideas, anybody???
> 
> Thanks,
> 
> Ken 
> 
> 
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