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Re: Strange Polythene



Martin,
   Where did you obtain your Corthene?
Dave Hartwick

Tesla List wrote:

> Original Poster: "Dale, Martin" <martin.dale-at-ntu.ac.uk>
>
> Hello Alex,
>                The strange poly you describe sounds like damproofing
> membrane to me.
>
> It's usually comes under the product name of Visqueen.
>
> I used stacks of that stuff, when I built my garage/Lab.
> I did look at it at the time with a view to cap dielectric, but I noticed
> that there were tiny flecks of metal embedded in it.
>
> I'm not sure what the blue colour does to it, but the metal certainly
> wouldn't help!
>
> Beware, as I dont think DPM is of sufficiently high quality for use in caps.
> Vink plastics sell all sorts of different poly sheeting that is fine as
> capacitor dielectric.
> I used 60 thou Corthene in mine and it's still going strong after 2 years of
> abuse.
>                              Martin.
>
> > ----------
> > From:         Tesla List[SMTP:tesla-at-pupman-dot-com]
> > Sent:         Sunday, February 14, 1999 3:53PM
> > To:   tesla-at-pupman-dot-com
> > Subject:      Strange Polythene
> >
> > Original Poster: Alex Crow <user-at-alexcrow.clara-dot-net>
> >
> > Dear All,
> >
> > Well, I finally picked up a huge roll of poly at the builder's yard, but
> > I got it home and it has got an opaque blue tint to it! It is the stuff
> > used for damp-proofing under floors, and is quite thick (250 microns)
> > but will it work or is the tint bad news?? I'm worried!
> >
> > Alex Crow
> > user-at-alexcrow.clara-dot-net
> >
> >