Thermoplastics | Thermosetting plastics | ||
Thermoplastics are formed by addition polymerization. | Thermosetting polymers are synthesized by condensation polymerization. | ||
Thermoplastics can be remelted back into liquid. | Thermosetting plastics always remain in a permanent solid-state. | ||
Soft, weak, and plastic | Hard, strong, and brittle | ||
Example- PVC, Nylon, and Teflon. | Example - Melamine formaldehyde, Bakelite,urea-formaldehyde resin. |