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Re: dielectric mat'l
Subject: Re: dielectric mat'l
Date: Sun, 04 May 1997 15:53:51 -0700
From: Bert Hickman <bert.hickman-at-aquila-dot-com>
Organization: Stoneridge Engineering
To: Tesla List <tesla-at-pupman-dot-com>
References:
1
Tesla List wrote:
>
> Subject: dielectric mat'l
> Date: Sat, 03 May 1997 17:56:36 -0400
> From: Richard Staron <rstaron-at-widow.aracnet-dot-net>
> Organization: My Own Company
> To: tesla-at-pupman-dot-com
>
> I am presently building my first pair of flat plate capacitors. I am
> using 6 mil polyethelyne sheet that I purchase from the local building
> supply depot. The roll that I purchase was exactly 12" wide and 300'
> long which I felt that I could unroll and cut into 12"x12" square
> sheets which is the size that I need.
>
> The question that I would like to have answered is whether the printing
> on the poly, which happens to be along the full length, will have any
> affect on the dielectric strength of the material. Any comments?
>
> Richard
Richard,
Try to get LDPE sheeting that does NOT have any lettering - it doesn't
help, and CAN hurt performance - avoid any material that may have black
lettering, since it probably contains conductive carbon. Look around
some more and get the type that does not have lettering.
-- Bert --