Processing Machinery
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PBT Weather Resistance Application
Fenómeno do problema
PBT outdoor parts maintain performance after long-term exposure to sunlight, while PA parts have already chalked
Análise das causas
PBT has good weather resistance, which is an advantage for outdoor applications; but long-term ultraviolet irradiation still needs evaluation; black carbon black grades have better weather resistance; select the stabilization system according to the years of exposure; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
①Give play to PBT's weather resistance advantage for outdoor parts; ②Select carbon black grades for long-term exposure; ③Do ultraviolet aging verification according to the years; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Weather resistance is PBT's differentiated advantage; it is the preferred material for outdoor electrical parts; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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