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I know I'm old, but I remember glass jars with metal twist off lids.

• defrost 1y ago
  The article identifies the plastic paint on metal twist off lids as the source of micro plastics in glass bottles.
  • deleted 1y ago
    [deleted]
  • JKCalhoun 1y ago
    Thank you.
    • defrost 1y ago
      No worries, it came as a suprise to me also .. makes sense when you think about a simple industrial process with a hopper full of bottle caps rubbing against each other, creating a cloud of particles and washing that down toward the capping station and into the bottles as they are capped.