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pan567 t1_jcmvaj6 wrote

Reply to comment by YouDontMeanLITERALLY in Pyrex, GlassLock, or Anchor Hocking food storage? by OpALbatross

Interesting - in the United States these are tempered and not borosilicate.

I wonder if they have multiple versions of this product elsewhere? (as I know Pyrex now apparently sells very different products in different countries.)

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GeneralTBag t1_jdcs7ra wrote

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.

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