ASTM C 177 - 04 Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hat-Plate Apparatus

American Society for Testing and Materials (ASTM). Current edition approved Nov. 1. 2004. Published November 2004. 24p. This test method establishes the criteria for the laboratory measurement of the steady-state heat flux through flat, homogeneous specimen(s) when their surfaces are in contact with solid, parallel boundsries held at constant temperatnres using the guarded-hot-plate apparalns.