Hello and welcome to a new rule of thumb blog post. Today we discuss how to select the maximum short-term operating temperature for your plastic part.
In general,
it is acceptable to use a temperature which is between 7°C to 12°C below the
Heat Deflection Temperature (HDT) of the finished resin as the maximum
short-term operating temperature.
HDT tells us
the short-term heat resistance of the selected material, which shows a certain amount
of deformation under the load of 0.455 MPa or 1.82 MPa (tensile bar). Therefore,
using the HDT minus some degrees in temperature is a good practical way to
estimate the maximum short-term use temperature.
Greetings
and #findoutaboutplastics
Herwig
#RuleofThumb #HerwigJuster
Interested to talk with me about your plastic selection and part design needs - here you can contact me
Literature:
[1]
Designing with Plastics, A practical guide for engineers, Design news, 11.20.06
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