Material Drying
6 مشاهدة
EVA adhesive film moisture absorption during storage
ظاهرة المشكلة
After using adhesive film stored for a long time, bubbles in the modules increase.
تحليل الأسباب
After EVA adhesive film absorbs moisture, the water vaporizes during lamination to form bubbles; high storage environment humidity and damaged packaging accelerate moisture absorption.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
الحل
①Store the adhesive film sealed and control humidity; ②bake moisture-absorbed film to remove moisture before use; ③control the inventory cycle with first-in-first-out; ④check packaging integrity before use.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Adhesive film storage management is the source of module quality; first-in-first-out and sealing are basic requirements.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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