Stupid people used asbestos. We made ourselves part plastic!
this post was submitted on 16 Oct 2024
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Next: Carbon fiber filament for 3d printers
3D printers, period. The microplastics they create are insane.
How do printers create microplastics? I'd think they wouldn't be significantly different than other ways of manufacturing plastic parts. Genuinely curious.
After printing you have to not only trim the extra bits, but you have to sand it down, whereas manufacturers use molds and only have to trim the seams.
Ah so the finishing work. Makes sense.
E: Reading about PLA specifically, it appears to be compostable. Also burning it doesn't produce nasty byproducts. So perhaps 3D printing with PLA isn't that bad, of one takes care of the excess.
It's compostable in the same way that taco bell is mexican food; you have to add a lot of qualifiers before anyone will agree with you.
As far as regular people are concerned, pla isn't being composted.
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I remember as a kid we had some kind of puck-shaped asbestos bathroom deodorizer. It was also used in urinals back in the day.
Yummy