Processing Machinery
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Insufficient Weather Resistance of PS Products
Fenómeno del problema
Outdoor products yellow and become brittle.
Análisis de la causa
PS has poor weather resistance; ultraviolet rays break molecular chains; the butadiene component is more easily oxidized.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Solución
①Select stabilized grades for outdoor use; ②Add UV stabilizers; ③Avoid long-term outdoor exposure; ④Perform aging verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PS is not suitable for long-term outdoor use; matching the application is fundamental.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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