Re: [TCML] sealing coils/Dolph's AC-43

[DC Cox <resonance@xxxxxxxxxxxx>]

They have the brush on style which is what I use on all my coils.  Air dries
overnight.

They poly isn't a good idea ---- will turn yellow.

AC-43 os especially formulated for good tracking and dielectric resistance.


Dr. Resonance





On Thu, Dec 2, 2010 at 9:26 PM, Rick <hyperparasite@xxxxxxxxx> wrote:

> Hello,
>
> I am trying to select a sealing compound for my first secondary.  In
> reading various sources of ideas, I have concluded that any number of
> different materials would do an effective job (i.e. polyurethane, varnish,
> polyester and epoxy resins, Behr 50 Super Build, etc.)  The motor rewinding
> shop where I purchased my wire could supply me with some Dolph's AC-43, but
> when I inquired about it they reminded me that it is intended for a dip and
> bake heat curing process.
>
> Is it possible to use this Dolph's varnish to seal a wound coil without
> heating it to 350 deg F?  Or will it simply never dry completely if not
> cured by heat?
>
> Any advice or anecdotal experience with coil sealers would be appreciated.
>
> Thanks,
>
> Rick
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