Material Drying
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Uneven or non-compliant moisture content of PA products after moisture conditioning treatment
Problembeschreibung
The moisture content of PA products after moisture conditioning treatment is uneven or does not meet the standard, and the performance and dimensions are unstable
Ursachenanalyse
（1）The conditioning temperature or time is insufficient and the moisture content is low
（2）The conditioning temperature is too high and the products deform or discolor
（3）The conditioning environment humidity is unstable
（4）The internal and external moisture contents of thick-walled products differ greatly
（5）Improper conditioning method (boiling water vs. humid heat environment)
Lösung
（1）Follow the standard conditioning process: treat to equilibrium under 65%RH, 80°C conditions
（2）Control the conditioning temperature to avoid being too high
（3）Stabilize the conditioning environment humidity
（4）Extend the conditioning time for thick-walled products to ensure internal and external uniformity
（5）Select a suitable conditioning method
Wichtigste Erkenntnis
PA moisture conditioning needs to follow the standard process to ensure uniformity
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