Cleaning up yellowed/grubby plastic?

From: Kevin Handy <>
Date: Tue Aug 24 13:01:31 2004

Philip Pemberton wrote:

> Does anyone happen to know of a trick to remove (or lessen the effect of)
>the yellowing that tends to happen to lighter-coloured plastics? I've got a
>few monitors here that are pretty bad - the yellowing I can put up with, but
>the difference between the non-yellowed areas and the yellowed areas shows up
>like a sore thumb.
I normally just use 409 and paper towels. Takes several applications:
spray, let it soak for a while, wipe off, repeat.

Remove the case if possible, to keep from spraying the inner mechanism, and
to make it easier to get into the joins.

Doesn't completely eliminate it, but greatly reduces it.

> Is this just one of those things that happens to plastics that's best
Normal aging, but it is MUCH worse in a smoking envoirnment.

Received on Tue Aug 24 2004 - 13:01:31 BST

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