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Re: Rotary SG Safety

Original poster: "Malcolm Watts" <m.j.watts-at-massey.ac.nz> 

On 17 Jun 2004, at 17:08, Tesla list wrote:

 > Original poster: FIFTYGUY-at-aol-dot-com
 > In a message dated 6/17/04 11:49:17 AM Eastern Daylight Time,
 > tesla-at-pupman-dot-com writes:


 >      Has anyone noticed bad effects from UV to the plastics used in
 >      coiling?
 > Granted that the total exposure times are small, but at a RSG I bet
 > the intensity makes up for it. With all the UV, vibration, electrical
 > stresses, and ozone, are the plastics weakening? Especially with
 > non-UV-stabilized/coated types?
 > -Phil LaBudde

That is a most interesting comment given that the Lexan shields on my
car headlights are showing various signs of deterioration due to
being out in the sun a lot. Crazing and discolouration are both