Thermal Conductivity：ASTM C518, ASTM E1530, ISO 8301 HEAT FLOW METER SYSTEMS

ASTM C518 measurements rely on the calibration of the heat flow meter apparatus and the quality of the heat flux transducers used, but the procedure itself is deceptively simple: a specimen is placed between two heat flux transducers with uniform thermal contact between a hot plate and a cold plate, as shown in Figure 3.  A steady-state heat flux is established through the test specimen.  The plate temperatures and plate separation are measured.
 
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