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From: "John Luciani (jluciani AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
Date: Thu, 16 Feb 2017 09:42:06 -0500
Message-ID: <CA+qhd=_gQMxj_QgT7oySOBq6xfRwSD7SyEoayY-oHHOXsj4FVA@mail.gmail.com>
Subject: Re: [geda-user] [Offtopic] Application of silicone based conformal coatings?
To: geda-user AT delorie DOT com
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Can you heat the syringe? Either pre-heat or with a wrap-around
heating strip?

(* jcl *)

On Thu, Feb 16, 2017 at 4:38 AM, Peter Clifton (
petercjclifton AT googlemail DOT com) [via geda-user AT delorie DOT com] <
geda-user AT delorie DOT com> wrote:

>  Hi all,
>
> I bought some Dow Corning silicone based conformal coating from a supplie=
r
> 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 no=
t
> 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 i=
s
> 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=A3expensiv=
e
> setup.
>
> Any thoughts?
>
> Kind regards,
>
> Peter Clifton
>



--=20
http://www.wiblocks.com

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<div dir=3D"ltr"><div>Can you heat the syringe? Either pre-heat or with a w=
rap-around <br></div><div>heating strip?<br></div><div><br></div>(* jcl *)<=
br></div><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">On Thu, =
Feb 16, 2017 at 4:38 AM, Peter Clifton (<a href=3D"mailto:petercjclifton AT go=
oglemail.com">petercjclifton AT googlemail DOT com</a>) [via <a href=3D"mailto:ged=
a-user AT delorie DOT com">geda-user AT delorie DOT com</a>] <span dir=3D"ltr">&lt;<a hre=
f=3D"mailto:geda-user AT delorie DOT com" target=3D"_blank">geda-user AT delorie DOT com<=
/a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:=
0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"auto">=
=C2=A0Hi all,<div dir=3D"auto"><br></div><div dir=3D"auto">I bought some Do=
w Corning silicone based conformal coating from a supplier 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 board.</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 k=
ind of spray setup. Does any one know how this is done &quot;properly&quot;=
, or have any experience DIYing such a setup?</div><div dir=3D"auto"><br></=
div><div dir=3D"auto">The place I bought the coating also sell spay dispens=
ing valves (moderately expensive), controllers for them and 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 approximate =C2=A3expe=
nsive setup.</div><div dir=3D"auto"><br></div><div dir=3D"auto">Any thought=
s?</div><div dir=3D"auto"><br></div><div dir=3D"auto">Kind regards,</div><d=
iv dir=3D"auto"><br></div><div dir=3D"auto">Peter Clifton</div></div>
</blockquote></div><br><br clear=3D"all"><br>-- <br><div class=3D"gmail_sig=
nature" data-smartmail=3D"gmail_signature"><a href=3D"http://www.wiblocks.c=
om" target=3D"_blank">http://www.wiblocks.com</a> =C2=A0</div>
</div>

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