25 ms·

It is a petroleum-based polymer, tomato vs tomato...

• hwillis 3y ago
  Tons of common plastics are made from plants. PLA, the most common FDM 3d printing plastic, is made from corn. Ethylene in particular is also naturally occurring- it's one of the most important plant hormones. Plastic implies it is solid, which is wrong.
• freshpots 3y ago
  [flagged]
• kragen 3y ago
  many grades of peg are liquid at room temperature; the others are highly water-soluble. you've probably never seen an object manufactured from peg in your life. that's why people don't normally call it 'plastic'