[rescue] Restoring yellowed computer cases...

[Ahmed Ewing]

On 4/11/07, Ethan O'Toole <ethan at 757tech.net> wrote:
> > equipment cases as old as many of ours is due to UV exposure over
>
> Is it UV? I always figured it could be from chemical makeup of the
> plastic. Always noticed it in the early mac equipment.

My understanding has always been that it's UV. However, I did find
this link which also explores the possibilities of chemical makeup
combined with oxidation/heat exposure as a cause (it's written mainly
in the context of SNES consoles, but plastic is plastic):

http://www.vintagecomputing.com/index.php/archives/189

-A