GeneralTBag t1_jdcs7ra wrote on March 23, 2023 at 1:58 PM Reply to comment by pan567 in Pyrex, GlassLock, or Anchor Hocking food storage? by OpALbatross As far as I know, made in USA is tempered, made in France is borosilicate. You can tell the difference easily by the blue hue in the glass. Permalink Parent 1
GeneralTBag t1_jdcs7ra wrote
Reply to comment by pan567 in Pyrex, GlassLock, or Anchor Hocking food storage? by OpALbatross
As far as I know, made in USA is tempered, made in France is borosilicate. You can tell the difference easily by the blue hue in the glass.