On 27 Aug, 10:21, wrote:
Vinyl is PVC

Check the compatibility he

- http://www.coleparmer.com/techinfo/chemcomp.asp

Man, it doesn't get more confusing than this, does it?

Faced with the info from that site, how the heck could both DOW and
Simonton tell me it's safe to use acetone on vinyl windows?

arrrrggghhhh!