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Re: [TCML] Aesthetics vs. Performance



I use furniture grade PVC, It has UV protection!
Doug

On Mon, Feb 11, 2019 at 3:09 PM Yurtle Turtle via Tesla <tesla@xxxxxxxxxx>
wrote:

>  I've seen first hand the effects of sunlight on PVC pipe. It becomes
> incredibly brittle. I've experienced spark-gap yellowing, though not to the
> extent of it becoming brittle, but I have no doubt it happens.
>
>     On Sunday, February 10, 2019, 7:46:59 PM EST, David Rieben <
> drieben@xxxxxxx> wrote:
>
>  Hi Gary,
>
> I concur with your statement that the UV from the spark gap will cause
> notable deterioration and discoloring of the surface of any PVC material.
> However, I have also found that if this yellowish-brown discoloring goes
> unchecked for long enough, it will eventually lose its mechanical as well
> as its dielectric integrity. I ended up wrapping aluminum duct tape around
> the 2 1/2” PVC pipe pieces that I use as structural pillars to support the
> primary/secondary coil base above the bottom platform base that houses the
> capacitors and RSG assembly due to the UV from the RSG causing the
> aforementioned deterioration of the surface of the PVC pillars.
>
> David Rieben
>
> Sent from my iPhone
>
> > On Feb 10, 2019, at 3:36 PM, Gary Lau <glau1024@xxxxxxxxx> wrote:
> >
> > Hi  Jeremiah,
> >
> > “PVC is an attractive, plentiful, and easy material to use.  But know
> that
> > in and around spark gaps, in addition to not tolerating heat well, the
> > exposure to UV radiation will quickly turn the clean white to
> > brownish-orange. If you don't care too much about the color, then PVC is
> > fine as long as it's not structural in an RSG.”
> >
> >
> >
> > Regards, Gary Lau
> > MA, USA
> >>
> >>
> >>
> >>
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