Pyrex, GlassLock, or Anchor Hocking food storage? Submitted by OpALbatross t3_11twps7 on March 17, 2023 at 4:54 PM in BuyItForLife 45 comments 18
thedmz t1_jd1o5t6 wrote on March 21, 2023 at 4:37 AM Older Pyrex will be borosilicate. Look for the blue green tint on the edge. Change was late 90’s I think. The old stuff is way more durable but I have newer pieces going on 15 years Permalink 2
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