Be sure to consider the outgassing characteristics of whatever you use.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
Sent: Wednesday, August 23, 2017 9:58 AM
To: [log in to unmask]
Subject: Re: [TN] Epoxy Paint
Interesting. No, I am not tied to an epoxy. Will consider it. Thanks.
Doug Pauls
Principal Materials and Process Engineer Rockwell Collins
On Wed, Aug 23, 2017 at 9:13 AM, McGlaughlin, Jeffrey A < [log in to unmask]> wrote:
> Does it need to be epoxy or can you use a polyurethane? If you can go
> to a polyurethane take a look at Imron(r). Properly applied the stuff
> is bulletproof, even survives on hill climber frames.
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Douglas Pauls
> Sent: Wednesday, August 23, 2017 9:16 AM
> To: [log in to unmask]
> Subject: Re: [TN] Epoxy Paint
>
> Message received from outside the Battelle network. Carefully examine
> it before you open any links or attachments.
>
> Graham,
> Those of us in the aerospace world have to live with two documents,
> the FAA
> DO-160 and an equivalent mil spec (either 883 or 810). Both have what
> is called a fluid susceptibility test section. Depending on the
> customer, there is a wide range of fluids that the material must be resistant to.
> Our avionics assemblies can be anywhere in the plane, cockpit,
> avionics bay, luggage bay, under the toilets, in the wings, up in the
> tail, outside the aircraft. Can be anywhere. For hydraulic fluid,
> yes we are primarily concerned about drips and leaks from hydraulic
> lines. Some customers what the paints and coatings to be
> "bulletproof" and know that if a material can stand up to hydraulic fluid, it will stand up to everything else.
>
>
> Doug Pauls
> Principal Materials and Process Engineer Rockwell Collins
>
> On Wed, Aug 23, 2017 at 5:44 AM, Graham Naisbitt <
> [log in to unmask]> wrote:
>
> > Hi Doug
> >
> > I recall being asked the question regarding our (then) coatings and
> > their ability to resist Skydrol.
> >
> > When I enquired why, I was informed that the electronic circuits
> > were in the cockpit, and they were worried about the effects on them
> > if Skydrol were to “leak” onto them.
> >
> > I had to ask why this would be important given that the pilot had
> > already ejected to safety if that happened.
> >
> > I don’t believe that anyone found a Skydrol resistant paint or
> > coating
> but
> > can’t Eastman help you?
> >
> > ATB - Graham
> >
> > > On 21 Aug 2017, at 22:06, Douglas Pauls <[log in to unmask]
> com>
> > wrote:
> > >
> > > Good afternoon all,
> > >
> > > Do any of you know a good epoxy-based paint that is resistant to
> > Skydrol, a
> > > nasty phosphate based hydraulic fluid?
> > >
> > > Doug Pauls
> > > Principal Materials and Process Engineer Rockwell Collins
> >
> >
>
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