Thermoplastic vs. Thermosetting Plastic: Key Differences, Uses & Selection Guide
Thermoplastics soften when heated and harden when cooled—think of them as plastic wax you can remelt and reshape. Thermosetting plastics cure once under heat or chemicals, locking into a rigid, heat-resistant lattice that will never flow again. People confuse them because both start as gooey pellets and smell like melted Legos in the workshop. The…