Injection Molding
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Leakage of PBT '2079851475616104452 Hot Runner System
Fenómeno do problema
The hot runner system leaks at the high temperature of PBT.
Análise das causas
The hot runner sealing components creep or fatigue under long-term high temperature; the installation pre-tightening force is inappropriate; the thermal expansion is uneven.
Solução
Use a hot runner sealing system suitable for the PBT processing temperature; regularly check the seal; pre-tighten according to specifications.
Conclusão principal
PBT hot runner leakage requires high-temperature-resistant design and maintenance.
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