key discoloration

[Roger Jolly]

Hi Jim,
           It's probably a chemistry problem, some of the earlier plastics
were a little instable in this regard.
If so the solution is to change them.
Regards roger


At 06:21 PM 21/08/00 -0500, you wrote:
>Dear List,
>A customer of mine owns a Yamaha P202 with yellowed plastic keys.  I think
>the yellow is from being exposed to heat.  Do any of you know how to make
>them whiter?  Thanks,
>Jim Krentzel
> 
Roger Jolly
Saskatoon, Canada.
306-665-0213
Fax 652-0505