Re: Capacitor dielectric
I've just checked on some history notes of mine. Apparently 'Polythene' was
a trade name, but my old notes are a bit incomplete, I think it belonged to
either ICI or DuPont.
----- Original Message -----
From: Tesla List <tesla-at-pupman-dot-com>
Sent: Friday, October 29, 1999 6:49 PM
Subject: Re: Capacitor dielectric
> Original Poster: "ROBERT CRESSLER" <59CREROB-at-menasha-dot-com>
> in regards to "polythene" and Polyethylene in
> I have not heard of such a material before (at least in N.A.) and I
> polythene is some type of trade specific call out. i would venture it is
> some form of Polyethylene.........
> lldpe,,ldpe,mwpe,hdpe,vhmw,uhmw.......the higher the
> molecular weight the better the physical & electrical properties for the
> various "grades" of Polyethylene. Avoid colors(especially black=carbon )
> and recycled/reground types........ natural virgin material will be
> clear-ish (LDPE) to solid milk white (HDPE and up).
> good luck!
> Robert Cressler
> ps you can also contact: Poly Hi Solidur Aus.
> 1 Prosperity parade
> 800.677.674 or 02.979.6377