- Thermoplastics are usually made from petroleun products. The most common thermospastic are:
- Polyethylene terephthalate
- High-density polyethylene
- Polyvinyl chloride
- Low-density polyethylene
- Polpropylene
- Moulded polystyrene
- Expanded polystyrene or Styrofoam
- Thermosetting plastics are made from petroleum products. They include:
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