American-made[1] "genuine" Pyrex is now also soda-lime, so just the name isn't proof enough any more, at least for cookware rather than labware.
[1]: and I think some stuff found in the UK, as I have a Pyrex-brand jugs and dishes that have got a distinct blue hue when seen edge-on.
American-made[1] "genuine" Pyrex is now also soda-lime, so just the name isn't proof enough any more, at least for cookware rather than labware.
[1]: and I think some stuff found in the UK, as I have a Pyrex-brand jugs and dishes that have got a distinct blue hue when seen edge-on.