Re: Suitable capacitor dialectrics

["B Marshall" <bm-at-bens-stuff.fsnet.co.uk> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

At 12/08/00 12:00:00, you wrote:
>Original poster: "Garth van Sittert" <garth-at-mediasupplies.co.za> 
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>Hi All
> 
>I have searched the archives and couldn't seem to locate any posts that list a
>set of suitable capacitor dialectrics that can be used in the primary
>capacitor.  It may be useful if anyone knows of a couple to list it.  So far I
>know of polypropylene, polyethylene.  Vinyl (PVC) is a no no.  Learned from
>experience.  Got a 42nF 10kV homemade vinyl cap though.

Why is PVC unsuitable? I have just bought 100 PVC CD sleeves for the
purpose of making one. What 
is the dielectric strength of PVC?

Regards,
Ben

>Are polyester caps suitable for MMC's?  And what is an EMMC?
> 
>Many thanks
>Garth (From the bottom of Africa).
> 
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