Re: Polypropylene (fwd)

---------- Forwarded message ----------
Date: Thu, 23 Jul 1998 09:47:06 -0500
From: "Barton B. Anderson" <mopar-at-uswest-dot-net>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: Polypropylene (fwd)

Go to the Tesla List archives and search on "Dielectric". On April 14th,
Malcolm posted a very infomative list of dielectrics and related information.
The subject of the post was titled Dielectric.

Tesla List wrote:

> ---------- Forwarded message ----------
> Date: Thu, 23 Jul 1998 16:24:08 +-100
> From: "Gregory R. Hunter" <ghunter-at-enterprise-dot-net>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: Polypropylene
> Can anybody give me data on polypropylene film?  I saw a flat plate cap at
> the UK Teslathon that appeared to be made of plastic document protectors &
> foil.  I found some pocket-style document protectors at work and examined
> them.  The recycling symbol says they are polypropylene.  I can't find any
> values as to dielectric strength, dielectric constant, etc., in my
> literature.
> Also, does anyone know the meanings of the various plastics recycling
> symbols?  For example, I know "HDPE 2" is polyethylene, but I'm wondering
> what the shorthand is for various other plastics.
> Cheers,
> Greg