Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
Melt transition temperature, Tm, is the temperature at which a polymer transitions from a solid to a liquid state. It is a critical physical property that indicates the thermal stability and usability of polymeric materials in various applications.
Related terms
Glass Transition Temperature (Tg): The temperature at which a polymer changes from a hard and relatively brittle "glassy" state into a soft, rubbery state.