Scotchgard was a PFOS based formula changed to a PFBS formula brought to us by o... | Hacker News

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dylan604 8 months ago | parent | context | favorite | on: Why don't we use awnings anymore (2022)

Scotchgard was a PFOS based formula changed to a PFBS formula brought to us by our lovely friends at 3M.

https://en.wikipedia.org/wiki/Scotchgard

more info in this PDF

https://pfas-1.itrcweb.org/wp-content/uploads/2020/10/histor...

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