- Sep 4, 2011
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Most are made form polystyrene I think , Isn't Polystyrene a form of plastic? does anyone have a definitive answer on this one?
"Plastic" probably isn't really that useful as a meaningful description these days, in that it's definition is so broad that it covers a huge range of different materials.
Polystyrene is a thermoplastic polymer made from styrene and I don't know how environmentally friendly either can really be considered, but on the other hand PLA (commonly used with 3D printers) is also a thermoplastic polymer often made from corn starch or sugar beet pulp and compostable (as long as the composting process reaches about 60°C or something like that).
So to determine the environmental impact you really need to look at the material in question in more detail. It's not a case of "all plastics are bad", necessarily.