Thermoplastic vs Thermosetting Plastics: Key Differences & Uses
Thermoplastic plastics soften when heated and harden when cooled, allowing repeated reshaping. Thermosetting plastics cure once into a rigid, heat-resistant form that cannot be remelted. People mix them up because both start as soft resins; the difference only appears after curing. A DIYer might grab the wrong glue or 3D-printing filament, then wonder why it…