Styrofoam
Styrofoam
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37 comments
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Would a styrofoam cup actually stay in reasonably good shape for 400 years after being buried?
Mostly a curiosity thing. I sometimes use styrofoam peanuts in planters for drainage purposes, and after a single growing season, they've already started to show signs of degrading. Not that microplastics are a good thing, but it also makes me wonder if they would actually stick around in good condition for 400 years.
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It would be plastic for a very long time, but the cup wouldn't likely survive very long. It would get ground down to plastic dust to be ingested within a few years unless it was in a particularly stable area.
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If it's actually make out of polystyrene, I've read that is supposed to take 500 years like a lot of other plastics.
Many packing peanuts are biodegradable these days though, so it might not be actual styrofoam (polystyrene + air).
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Those packing peanuts are made from corn and are basically edible.
Or if you wet them, they get sticky and you can stick them together to make stuff.
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My mum gave me those for toys as a kid, to make stuff like you described. Ate a fair few, am fine.
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I think they're literally stale undusted cheetos.
I too have ate a few as an adult.
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I think the new ones are made from potato starch
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37 comments