Like wine bottles?

They are not made of tempered glass. Heating them that high is
unadvisable
StuPedaso wrote:
> I have a bunch of bottles I need to clean. Was thinking maybe I could
> give them a good rinsing, then bake them at 350ºF for an hour or so
> (maybe after my wife cooks some pizza). Anyone ever use this method?
>
>
> Or maybe 451º would burn the lables off, then a quick air blast to get
> rid of the ashes.
> Stu