Processing Machinery
9 مشاهدة
EVA adhesive film yellowing
ظاهرة المشكلة
The adhesive film of the module yellows after a period of use.
تحليل الأسباب
EVA ages and yellows under the action of ultraviolet light and heat; films with insufficient anti-aging systems are more prone to it.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
الحل
①Select anti-PID, anti-yellowing adhesive film; ②verify ultraviolet aging performance; ③control the lamination process; ④select suppliers with warranty.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Film yellowing affects module appearance and light transmittance; the material's anti-aging system is fundamental.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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