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        Thu, 16 Feb 2017 10:21:16 -0800 (PST)
From: "Marvin Dickens (mpdickens AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Date: Thu, 16 Feb 2017 13:21:14 -0500
Subject: Re: [geda-user] [Offtopic] Application of silicone based conformal coatings?
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--Apple-Mail-FBFD3017-8A5B-43C3-B3A1-18B410955042
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We use something like this that filters the air as it is used:
http://www.tcpglobal.com/TCP-AF8040.html?gclid=3DCNHJ7r-dldICFYS1wAodMrANcQ


Regards,



Marvin Dickens

This email was composed on and sent from my mobile device. Please excuse my b=
revity.

> On Feb 16, 2017, at 11:14 AM, Peter Clifton (petercjclifton AT googlemail DOT com=
) [via geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
>=20
> Cool.
>=20
> When you say "dry", do you mean it has to be run through a dessicant pack?=
 Refrigeration dehumidifier? Simple swirl water trap?
>=20
> Wondering if I'll get by with air direct from the hydrovane compressor (or=
 the very noisy - deafening oilless SIP unit I have.
>=20
> Peter
>=20
>> On 16 Feb 2017 16:05, "Marvin Dickens (mpdickens AT gmail DOT com) [via geda-use=
r AT delorie DOT com]" <geda-user AT delorie DOT com> wrote:
>> A cheap airbrush with adjustable nozzle works in a tight - They key is
>> dry air and stable air flow.
>> This is how we do it with our prototypes...
>>=20
>>=20
>> Regards
>>=20
>> Marvin
>>=20
>> 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 suppl=
ier 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 n=
ot
>> > flow as much as I'd hoped when simply dispensed by syringe onto the boa=
rd.
>> >
>> > 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 (modera=
tely
>> > expensive), controllers for them and xyz dispensing gantry robots (spen=
dy
>> > items).
>> >
>> > Possibly looking to rig something simple up to approximate =C2=A3expens=
ive setup.
>> >
>> > Any thoughts?
>> >
>> > Kind regards,
>> >
>> > Peter Clifton
>>=20

--Apple-Mail-FBFD3017-8A5B-43C3-B3A1-18B410955042
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto"><div>We use something like this that filter=
s the air as it is used:</div><div id=3D"AppleMailSignature"><a href=3D"http=
://www.tcpglobal.com/TCP-AF8040.html?gclid=3DCNHJ7r-dldICFYS1wAodMrANcQ">htt=
p://www.tcpglobal.com/TCP-AF8040.html?gclid=3DCNHJ7r-dldICFYS1wAodMrANcQ</a>=
</div><div id=3D"AppleMailSignature"><br><br><div>Regards,</div><div><br></d=
iv><div><br></div><div><br></div><div>Marvin Dickens</div><div><br></div>Thi=
s email was composed on and sent from my mobile device. Please excuse my bre=
vity.</div><div><br>On Feb 16, 2017, at 11:14 AM, Peter Clifton (<a href=3D"=
mailto:petercjclifton AT googlemail DOT com">petercjclifton AT googlemail DOT com</a>) [vi=
a <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>] &lt;<a=
 href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>&gt; wrote:<=
br><br></div><blockquote type=3D"cite"><div><div dir=3D"auto">Cool.<div dir=3D=
"auto"><br></div><div dir=3D"auto">When you say "dry", do you mean it has to=
 be run through a dessicant pack? Refrigeration dehumidifier? Simple swirl w=
ater trap?</div><div dir=3D"auto"><br></div><div dir=3D"auto">Wondering if I=
'll get by with air direct from the hydrovane compressor (or the very noisy -=
 deafening oilless SIP unit I have.</div><div dir=3D"auto"><br></div><div di=
r=3D"auto">Peter</div></div><div class=3D"gmail_extra"><br><div class=3D"gma=
il_quote">On 16 Feb 2017 16:05, "Marvin Dickens (<a href=3D"mailto:mpdickens=
@gmail.com">mpdickens AT gmail DOT com</a>) [via <a href=3D"mailto:geda-user AT delori=
e.com">geda-user AT delorie DOT com</a>]" &lt;<a href=3D"mailto:geda-user AT delorie DOT c=
om">geda-user AT delorie DOT com</a>&gt; wrote:<br type=3D"attribution"><blockquote=
 class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid=
;padding-left:1ex">A cheap airbrush with adjustable nozzle works in a tight -=
 They key is<br>
dry air and stable air flow.<br>
This is how we do it with our prototypes...<br>
<br>
<br>
Regards<br>
<br>
Marvin<br>
<br>
On Thu, Feb 16, 2017 at 4:38 AM, Peter Clifton<br>
(<a href=3D"mailto:petercjclifton AT googlemail DOT com">petercjclifton AT googlemail.=
com</a><wbr>) [via <a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delori=
e.com</a>]<br>
&lt;<a href=3D"mailto:geda-user AT delorie DOT com">geda-user AT delorie DOT com</a>&gt; w=
rote:<br>
&gt;&nbsp; Hi all,<br>
&gt;<br>
&gt; I bought some Dow Corning silicone based conformal coating from a suppl=
ier I<br>
&gt; use for solder paste syringe tips etc...&nbsp; this was repackaged into=
 50ml<br>
&gt; syringes by them.<br>
&gt;<br>
&gt; Turns out I've no idea how to apply it. I have an air dispensing setup<=
br>
&gt; (Fisnar), but the material is more viscous than I anticipated and does n=
ot<br>
&gt; flow as much as I'd hoped when simply dispensed by syringe onto the boa=
rd.<br>
&gt;<br>
&gt; Brushing leaves ugly brush strokes.<br>
&gt;<br>
&gt; I think I may need some kind of spray setup. Does any one know how this=
 is<br>
&gt; done "properly", or have any experience DIYing such a setup?<br>
&gt;<br>
&gt; The place I bought the coating also sell spay dispensing valves (modera=
tely<br>
&gt; expensive), controllers for them and xyz dispensing gantry robots (spen=
dy<br>
&gt; items).<br>
&gt;<br>
&gt; Possibly looking to rig something simple up to approximate =C2=A3expens=
ive setup.<br>
&gt;<br>
&gt; Any thoughts?<br>
&gt;<br>
&gt; Kind regards,<br>
&gt;<br>
&gt; Peter Clifton<br>
<br>
</blockquote></div></div>
</div></blockquote></body></html>=

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