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“Here’s to the Polypropylene Makers” by jefftk
Six years ago, as covid-19 was rapidly spreading through the US, my
sister was working as a medical resident. One day she was handed an
N95 and told to "guard it with her life", because there weren't
any more coming.
N95s are made from meltblown polypropylene, produced from plastic
pellets manufactured in a small number of chemical plants. Building
more would take too long: we needed these plants producing all
the pellets they could.
Braskem America operated plants in Marcus Hook PA and Neal WV. If
there were infections on-site, the whole operation would need to shut
down, and the factories that turned their pellets into mask fabric
would stall.
Companies everywhere were figuring out how to deal with this risk.
The standard approach was staggering shifts, social distancing,
temperature checks, and lots of handwashing. This reduced risk, but
it was still significant: each shift change was an opportunity for
someone to bring an infection from the community into the factory.
I don't know who had the idea, but someone said: what if we
never left? About eighty people, across both plants, volunteered
to move in. The plan was four weeks, twelve-hour [...]
---
First published:
February 27th, 2026
Source:
https://www.lesswrong.com/posts/HQTueNS4mLaGy3BBL/here-s-to-the-polypropylene-makers
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
View all episodes
By LessWrongSix years ago, as covid-19 was rapidly spreading through the US, my
sister was working as a medical resident. One day she was handed an
N95 and told to "guard it with her life", because there weren't
any more coming.
N95s are made from meltblown polypropylene, produced from plastic
pellets manufactured in a small number of chemical plants. Building
more would take too long: we needed these plants producing all
the pellets they could.
Braskem America operated plants in Marcus Hook PA and Neal WV. If
there were infections on-site, the whole operation would need to shut
down, and the factories that turned their pellets into mask fabric
would stall.
Companies everywhere were figuring out how to deal with this risk.
The standard approach was staggering shifts, social distancing,
temperature checks, and lots of handwashing. This reduced risk, but
it was still significant: each shift change was an opportunity for
someone to bring an infection from the community into the factory.
I don't know who had the idea, but someone said: what if we
never left? About eighty people, across both plants, volunteered
to move in. The plan was four weeks, twelve-hour [...]
---
First published:
February 27th, 2026
Source:
https://www.lesswrong.com/posts/HQTueNS4mLaGy3BBL/here-s-to-the-polypropylene-makers
---
Narrated by TYPE III AUDIO.
---
Images from the article:
Apple Podcasts and Spotify do not show images in the episode description. Try Pocket Casts, or another podcast app.
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