[ARC5] Dielectric tape

[Tim]

Hi Bruce - Yep - "Kapton" is hard to beat, it's great stuff for this
application. Altho teflon pipe tape is non adhesive, it conforms well to
winding turns in small ferrite assemblies and is "good enough" for most of
my applications.  I just mentioned it because it is also cheap and readily
available.  I believe Gore Tex HV wire is insulated with this stuff.  We
used lots of it at work for up to 5KV and is works quite well (and it is
thin for hookup wire).


On Mon, Aug 10, 2015 at 12:28 PM, Bruce Long <coolbrucelong at yahoo.com>
wrote:

> Tim
> That is also a good trick but i have only used teflon tape once in this
> fashion.
>
> I had fairly consistent access to polyimide tape during my career and a
> couple years ago i had reason to buy a good assortment of rolls of
> polyimide tape of various widths for a project at work.  That tape resides
> in a box four steps from my desk so it comes to mind quickly.
>
> Of course one of the attractions of polyimide tape beyond its excellent
> electrical parameters is that it seems to stick to almost everything and
> remain stuck at temperature extremes.
>
> ------------------------------
> *From:* Tim <timsamm at gmail.com>
> *To:* Bruce Long <coolbrucelong at yahoo.com>
> *Cc:* "n2lxm at juno.com" <n2lxm at juno.com>; "jwiley at gci.net" <jwiley at gci.net>;
> "arc5 at mailman.qth.net" <arc5 at mailman.qth.net>; "releazer at earthlink.net" <
> releazer at earthlink.net>
> *Sent:* Monday, August 10, 2015 3:05 PM
>
> *Subject:* Re: [ARC5] Dielectric tape
>
> Good info above...I use teflon pipe-thread tape for HV ferrite power
> supply transformers, good dielectric strength, cheap, available, works well.
>
> Tim
> N6CC
>
>
>
> On Mon, Aug 10, 2015 at 11:09 AM, Bruce Long via ARC5 <
> arc5 at mailman.qth.net> wrote:
>
> For what it is worth, Kapton is the Dupont trade name for polyimide.  I
> agree it is great stuff although a bit pricy
>
>       From: "n2lxm at juno.com" <n2lxm at juno.com>
>  To: jwiley at gci.net
> Cc: arc5 at mailman.qth.net; releazer at earthlink.net
>  Sent: Monday, August 10, 2015 11:32 AM
>  Subject: Re: [ARC5] Dielectric tape
>
> I work for a  High Power Power Supply manufacture( 750 to 100,00 Watts
> systems). We use 3M 1205 kapton, 2 mil thickness,1000 volts isolation per
> mil. works well under heat and cold. Works great on Baluns.
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