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Glycerine as a cap dielectric?
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To: "'Tesla List'" <tesla@pupman.com>
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Subject: Glycerine as a cap dielectric?
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From: Tesla List <tesla@stic.net>
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Date: Sat, 18 Apr 1998 07:08:02 -0500
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Approved: tesla@stic.net
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From: Jim Lux [SMTP:jimlux@earthlink.net]
Sent: Friday, April 17, 1998 10:12 AM
To: Tesla List
Subject: Re: Glycerine as a cap dielectric?
> From: Matthew Mills [SMTP:mattmills@mindless.com]
> Sent: Thursday, April 16, 1998 3:35 PM
> To: Tesla List
> Subject: Glycerine as a cap dielectric?
>
> Hi I was just thinking....(Woah Dangerous!!!) and have heard that
> glycerine makes a good dielectric as its dielectric constant is about
> 60, would this be any good for caps? or does it have extremely high loss
> factors?
Glycerine is very hygroscopic, and as soon as it picks up any water, it is
a terrible insulator.
Distilled water has a dielectric constant of 80+ and is a fairly decent
insulator, as long as your pulses are less than a microsecond. It has no
breakdown voltage (i.e. it is a conductor, but a bad one, and the
conductivity is inversely proportional to frequency)