Injection Molding
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Dimensional Creep of PBT Injection-Molded Parts at High Temperature
Problembeschreibung
PBT products creep under sustained load and high temperature, and the dimensions gradually change.
Ursachenanalyse
PBT creeps under load and high temperature (high-temperature creep), and the molecular chain segments gradually slip.
Lösung
Use a high glass fiber content to reduce the creep rate; design the product to reduce the sustained stress level; select higher heat-resistant materials such as PPS when necessary.
Wichtigste Erkenntnis
PBT high-temperature creep is an important consideration for long-term applications.
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