Synthetic polymers
Synthetic polymers entirely result from chemical synthesis processes and their backbone is characterized
by being principally composed of carbon atoms. They are often referred as “plastics”: some of the most
common ones are listed below.

Polyethylene (PE) (link to http://pslc.ws/mactest/level2.htm)

Polyvinylchloride (PVC) (link to http://pslc.ws/mactest/level2.htm)

Polyethylenterephthalate (PET) (link to http://en.wikipedia.org/wiki/Polyethylene_terephthalate)

Polytetrafluoroethylene (PTFE) (link to http://pslc.ws/mactest/level2.htm)

Polymethylmetacrylate (PMMA) (link to http://pslc.ws/mactest/level2.htm)