# Thermal Conductivity and Thermal Resistance Testing of Polymers and Composites with Guarded Heat Flow Meter

September 15, 2020

Dale Hume

Joli McGraw

### Overview

For the measurement of non-homogenous and layered materials, thermal conductivity results calculated from measured thermal resistance is the preferred method. A comparison of thermal conductivity ASTM / ISO standards and investigative testing will be presented to explain why this is the case.