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November 2010

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Subject:
From:
John Burke <[log in to unmask]>
Reply To:
TechNet E-Mail Forum <[log in to unmask]>, John Burke <[log in to unmask]>
Date:
Wed, 3 Nov 2010 11:02:37 -0700
Content-Type:
text/plain
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text/plain (165 lines)
Yes it is very good stuff and I have used it in high voltage situations. 

I am just wondering though about the requirement, maybe it is to do with
friction rubbing of the kapton tape by the leads that is a concern.

For instance if you stick the kapton on the metal cover the leads could
abrade the Kapton?

If this is the case you could stick kapton on the shield and kapton across
the terminations. In this case you would get a low friction kapton to kapton
non abrading situation .

Just a thought. 

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, November 03, 2010 10:57 AM
To: [log in to unmask]
Subject: Re: [TN] SEEKING A VERY THIN INSULATING MATERIALS

That would be Glyptal. http://www.glyptal.com/.
Been using this stuff for more than 35 years. Good stuff.

-----Original Message-----
From: Bob Landman [mailto:[log in to unmask]]
Sent: Wednesday, November 03, 2010 12:43 PM
To: 'TechNet E-Mail Forum'; Stadem, Richard D.
Subject: RE: [TN] SEEKING A VERY THIN INSULATING MATERIALS


Try red insulating varnish ?  http://www.mgchemicals.com/products/4228.html

Dielectric Strength (dry): 3000 V / mil

    * Protect motor windings, small dry type transformers, and coils from
arcing, discharge and oxidation
    * Class F thermal protection (20,000 @ 150°C)
    * High dielectric strength

"glyp it then ship it" 

Try this source for insulating materials
http://www.erbaisolanti.com//prodotti/23/0/ing/electro-insulating-varnishes-
and-resins-for-windings.html

Bob Landman
H&L Instruments, LLC


-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Tuesday, November 02, 2010 9:18 AM
To: [log in to unmask]
Subject: Re: [TN] SEEKING A VERY THIN INSULATING MATERIALS

Coat the pins with a hard epoxy coat. Or you can bond a 2 mil sheet of FR-4
over the leads.

-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Roberts, Jon (SA-1)
Sent: Monday, November 01, 2010 4:30 PM
To: [log in to unmask]
Subject: [TN] SEEKING A VERY THIN INSULATING MATERIALS

Hopefully, some of you have experience during design where the connector
lead protrusion is long enough to touch a metal cover.  The lead protrusion
is very slight but it the cover just sit very close at the one end.  Kapton
type tape does not provide sufficient protection. Is there any other
material that is thin but more resilient and has
insulation properties?    The assembly will not be coated.   This
assembly goes into to test station that will be used by our customer.
Thanks in advance.   Jon 


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