Processing Machinery
5 görüntüleme
TPU product UV aging
Sorun Belirtisi
Outdoor products turn yellow and chalk.
Neden Analizi
TPU has limited UV resistance; aromatic TPU is more prone to yellowing; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Çözüm
①select aliphatic TPU for outdoor use; ②add UV stabilizers; ③do aging tests; ④avoid long-term exposure to sunlight; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
UV aging selection is prioritized; aliphatic TPU is the choice for outdoor transparent applications; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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