Polyvinyl Chloride (PVC or Vinyl) is an economical and versatile thermoplastic polymer widely used in the building and construction industry to produce door and window profiles, pipes (drinking and wastewater), wire and cable insulation, medical devices, etc.
Low Density Polyethylene is one of the safest plastics in widespread use today, mainly because it is nontoxic, and is not carcinogenic. Even when ingested (in small quantities), polyethylene does not cause any hazardous health effects.
Yes, polyethylene terephthalate is suitable for 3D printing. PET 3D filament is an easy material to use. Its temperature range for the PET extruder is quite wide at 160°C to 210°C.