Re: [TCML] Varnish for SSTC secondary

[Scott Bogard <sdbogard@xxxxxxxxx>]

I think either one will be fine.  I've found the coating isn't really
critical, you can even run without it sometimes.  I use plain oil based
polyurethane, it doesn't last forever so I don't recommend it, but it
works.  Since both of those are for application to magnet wire I
suspect they will work great; things you want to avoid are anything that
has conductive particulate in it, like black paint.

Scott Bogard.


On Fri, Feb 1, 2013 at 10:29 AM, Atomic <atomicrox@xxxxxxxxx> wrote:

> Hi,
>
>
> When I bought magnet wire for my small SSTC I also bought a can of varnish
> but I'm not sure it's the right one.
>
> These are the datasheets but unfortunately they are in Portuguese - the
> varnish is the Lacktherm 1303.
>
>
> http://ecatalog.weg.net/files/wegnet/WEG-verniz-imp-lacktherm-1303-b-boletim-tecnico-portugues-br.pdf
> This one says it's a polyester based varnish modified to try on air.
> Indicated for motors up to 50hp and small transformers and coils.
>
>
> http://ecatalog.weg.net/files/wegnet/WEG-lacktherm-50021432-catalogo-portugues-br.pdf
> This one says it's alkyd diluent 1021. Also says it's for low voltage (up
> to 480V) transformers and reactors.
>
> The varnish can says it's a modified alkyd rosin, aliphatic and aromatic
> solvents.
>
>
> Can I sue this?
>
> If I can't which one should I get? Note that I don't have a spinning rig
> and will have to apply it manually.
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