Extruding post-consumer plastic can by difficult. Depending on the extruder settings, filament brands (assuming its the same type of plastic), degrees of cleanliness, exposure to UV rays or other factors, how old the filament is, what humidity level(s) it was stored at/exposed to, if it has been recycled already, and many more.
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Although the word ‘bioplastic’ sounds like a more environmentally friendly alternative to the more standard petroleum-based plastic, it is not, at least in the short term. Only taking up 0.2% of the plastics market, bioplastics are not prevalent enough for companies and recycling facilities to devote resources to making them as sustainable as they could be (Filabot, 2018). This doesn’t mean we should avoid them.
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