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Re: spray enamel vs shellack
- To: tesla@xxxxxxxxxx
- Subject: Re: spray enamel vs shellack
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Sat, 07 May 2005 10:41:36 -0600
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- Resent-date: Sat, 7 May 2005 10:44:08 -0600 (MDT)
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Original poster: "Dr. Resonance" <resonance@xxxxxxxxxx>
Unless you know the dielectric and electrical properties of clear enamel you
should avoid it.
Dolph's AC-43C (check their website) is a great finish for magnet wire
coils. Excellent dielectric properties as it's specially manufactured for
the industrial xmfr winders. It's available as a brush on or spray. We use
4-5 coats of the brush on type in very thin coats on magnet wire coils.
It cements the windings together and prevents dings to the magnet wire
finish. It is also very shiny in appearance and the coils look great after
application. Allow each coat to dry 24 hrs. Usually, turning for only 30
min. is required on each coat.
> True shellac doesn't have the durability of modern polyurethane and other
> coatings.Alcohol vapour can make it craze, and it is also very brittle.I
> only use it for restoration of old apparatus for the sake of authenticity.
> ----- Original Message -----
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Friday, May 06, 2005 12:30 AM
> Subject: spray enamel vs shellack
> > Original poster: "Steven Steele" <sbsteele@xxxxxxxxxxxxx>
> > Would spray enamel be a suitable replacement for shellack to coat the
> > secondary if my Tesla Col?
> > Steven Steele