Material Analysis
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Performance Degradation of PBT in Microwave Environments
Fenómeno do problema
PBT electrical components degrade in performance after long-term use in microwave or high-frequency electromagnetic fields.
Análise das causas
PBT degrades under the action of high temperature, high humidity, and electric fields, and the dielectric properties decline, which is more obvious especially when halogen-containing flame retardants are used.
Solução
Select high-purity PBT raw materials; control the type and dosage of flame retardants; consider derated use during design.
Conclusão principal
Attention needs to be paid to the long-term stability of PBT in electric field environments.
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