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From: "Peter Clifton (petercjclifton AT googlemail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date: Thu, 16 Feb 2017 09:38:35 +0000
Message-ID: <CAJXU7q9aqK65h1W-PgESyzaRNhChhuciBKRsdY7+d3Sy6oDkjA@mail.gmail.com>
Subject: [geda-user] [Offtopic] Application of silicone based conformal coatings?
To: gEDA User Mailing List <geda-user AT delorie DOT com>
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 Hi all,

I bought some Dow Corning silicone based conformal coating from a supplier
I use for solder paste syringe tips etc...  this was repackaged into 50ml
syringes by them.

Turns out I've no idea how to apply it. I have an air dispensing setup
(Fisnar), but the material is more viscous than I anticipated and does not
flow as much as I'd hoped when simply dispensed by syringe onto the board.

Brushing leaves ugly brush strokes.

I think I may need some kind of spray setup. Does any one know how this is
done "properly", or have any experience DIYing such a setup?

The place I bought the coating also sell spay dispensing valves (moderately
expensive), controllers for them and xyz dispensing gantry robots (spendy
items).

Possibly looking to rig something simple up to approximate =C2=A3expensive =
setup.

Any thoughts?

Kind regards,

Peter Clifton

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<div dir=3D"auto">=C2=A0Hi all,<div dir=3D"auto"><br></div><div dir=3D"auto=
">I bought some Dow Corning silicone based conformal coating from a supplie=
r I use for solder paste syringe tips etc... =C2=A0this was repackaged into=
 50ml syringes by them.</div><div dir=3D"auto"><br></div><div dir=3D"auto">=
Turns out I&#39;ve no idea how to apply it. I have an air dispensing setup =
(Fisnar), but the material is more viscous than I anticipated and does not =
flow as much as I&#39;d hoped when simply dispensed by syringe onto the boa=
rd.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Brushing leaves ugly=
 brush strokes.</div><div dir=3D"auto"><br></div><div dir=3D"auto">I think =
I may need some kind of spray setup. Does any one know how this is done &qu=
ot;properly&quot;, or have any experience DIYing such a setup?</div><div di=
r=3D"auto"><br></div><div dir=3D"auto">The place I bought the coating also =
sell spay dispensing valves (moderately expensive), controllers for them an=
d xyz dispensing gantry robots (spendy items).</div><div dir=3D"auto"><br><=
/div><div dir=3D"auto">Possibly looking to rig something simple up to appro=
ximate =C2=A3expensive setup.</div><div dir=3D"auto"><br></div><div dir=3D"=
auto">Any thoughts?</div><div dir=3D"auto"><br></div><div dir=3D"auto">Kind=
 regards,</div><div dir=3D"auto"><br></div><div dir=3D"auto">Peter Clifton<=
/div></div>

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