Tesla List wrote:
> >From julian-at-kbss.bt.co.ukTue Sep 24 22:23:41 1996
> Date: Tue, 24 Sep 96 14:36:50 BST
> From: Julian Green <julian-at-kbss.bt.co.uk>
> To: tesla-at-pupman-dot-com
> Subject: Re: Capacitors
> Is polyester a good material for pulse capacitors?
Polyester is Mylar! Perhaps one of the worst materials for pulse
capacitors on the planet!! I'd rather use wet leaves for a dielectric!!!!
> If so then how about this for an idea on how to make a good cap.
> Take a length of un-dyed polyester cloth and roll a cap with it. Make the
> connections and house the thing in a good container. Mix up a batch on
> polyester resin with MEK bassed hardener. Not too much as you are looking
> for a long curing time. Then vacuum impregnate the polyester cap with the
> polyester resin. Allow the resin to harden.
> One nagging thought though. Is mylar another name for polyester?
> Any comments?
> Julian Green
> [ Yes, I believe that mylar is polyester :-( -- Chip]