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
> >
> >
>