yellowed murky plastic

[Paul Koning]

>>>>> "Tony" == Tony Duell <ard at p850ug1.demon.co.uk> writes:

 >> > How do you remove paint from plastic without damaging the
 >> plastic > itself? Strikes me as being a bit different to getting
 >> paint off metal > or wood, where chemicals aren't going to damage
 >> the underlying > surface...
 >> 
 >> Some of the new environmentally safe strippers are pretty safe for
 >> plastic.

 Tony> That strikes me as being a pretty meaningless statement!. There
 Tony> are dozens of different plastics, what is safe for one may not
 Tony> be safe for another (as a trivial example, propanone (acetone)
 Tony> attacks many common plastics, but AFAIK it doesn't attack
 Tony> PTFE).

I don't think anything short of molten sodium or fluorine gas bothers
PTFE.  

There are other surprises.  Ethanol (plain old alcohol) is a rather
mild solvent that bothers very few things.  But it wrecks plexiglas
(lucite).  

	   paul