[Prev][Next][Index][Thread]

Re: Best Secondary Surface coating




From: 	bmack[SMTP:bmack-at-frontiernet-dot-net]
Sent: 	Wednesday, November 19, 1997 8:04 PM
To: 	Tesla List
Subject: 	Re: Best Secondary Surface coating



> 
> From: 	Mad Coiler[SMTP:tesla_coiler-at-hotmail-dot-com]
> Sent: 	Tuesday, November 18, 1997 5:01 PM
> To: 	tesla-at-pupman-dot-com
> Subject: 	Re: Best Secondary Surface coating
> 
> List,
> 
>" I am in the process of putting together a new coil and was planning on 
> using polyurethane to coat the secondary. Is this a good coating 
> material or not? I was planning on coating a portion of the sec form and 
> then winding the wire over the wet coat of poly. Then I could coat over 
> the top. Another main factor in this is cost (like ~$0). I already have 
> lots of polyurethane from doing woodworking. Comments on polyurethane as 
> a secondary coating?
> 
> Tristan Stewart"
> 
> I have used CLEAR polyurethane with excellent results.  It's also the
material
 that coats the magnet wire if I'm not mistaken.  It has very good RF
properties, in fact some core manufacturers use it as an insulation coat.

Jim McVey
>