Material Drying
5 görüntüleme
TPU Moisture Content Grading Standard
Sorun Belirtisi
After TPU is dried according to a unified standard, some products still show bubbles and silver streaks
Neden Analizi
TPU is highly hygroscopic and different applications have different requirements: '2079851475616104452 grade 0.02%, general grade 0.05%; a unified standard cannot meet high-requirement products; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
Graded control by application: optical and medical below 0.02%, general products below 0.05%; judgment based on measured moisture content; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
TPU drying standards are graded by application, with stricter requirements for high-demand ones; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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