🥼organic chemistry review

Melt transition temperature, Tm

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.