International Electrotechnical Commission
Glossary

ENheat deflection temperature, HDT 
measure of a polymer’s resistance to distortion under a given load at elevated temperatures

Note 1 to entry: The deflection temperature is the temperature at which a test bar, loaded to the specified bending stress, deflects by 0,25 mm.


TC/SC:105Terms     Info     Publications
Published in:IEC 62282-5-1, ed. 2.0 (2012-09) Terms     Info
Reference number:3.13

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