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A comment on Study finds alarming levels of ‘forever chemicals’ in US mothers’ breast milk. Parent comment
https://www.consumerreports.org/toxic-chemicals-substances/p...
Cups are typically coated with polyethylene to make them waterproof, but I think I read somewhere that they are then coated with PTFE to make them slide apart easier when stacked.
https://www.consumerreports.org/toxic-chemicals-substances/p...
Cups are typically coated with polyethylene to make them waterproof, but I think I read somewhere that they are then coated with PTFE to make them slide apart easier when stacked.