Coil Form Sealing?

From:  Alfred A. Skrocki [SMTP:alfred.skrocki-at-cybernetworking-dot-com]
Sent:  Monday, April 20, 1998 6:39 AM
To:  Tesla List
Subject:  Re: Coil Form Sealing?

On Saturday, April 18, 1998 11:26 PM D.C. Cox
[SMTP:DR.RESONANCE-at-next-wave-dot-net] wrote;
> Avoid the polyurethane -- will crack with time and becomes unsightly.

I differ on this. I have several coils that I wound over 20 years aga and 
coated with polyurethane and they are as good and as nice looking as the 
day they were dried! The alternatives you mentioned; G.E. Glyptal and 
Dolph's AC-43 air dry varnish, are needlessly expensive when compared to 
either polyethylene, Shellac or Varnish, all of which work quite well. 
BTW there may be differences in polyurethane finishes, I used Zar brand, 
clear glossy, oil based.


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