Thermoplastics and thermoplastic resins are raw, unshaped polymers that turn to liquid when heated and turn solid when cooled. They can be repeatedly remelted and remolded, allowing parts and scraps ...

Some of the most common are polypropylene, polycarbonate, and polyvinyl chloride. Polypropylene is a thermoplastic polymer that is used in packaging, textiles, stationary, laboratory equipment, and ...