Molding Process
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PI film uneven color
Problembeschreibung
PI film shows color difference or local dark areas
Ursachenanalyse
Local overheating; uneven hot air circulation; uneven PAA film thickness
Lösung
Optimize the uniformity of hot air distribution; control the coating uniformity of the PAA film; heat up uniformly
Wichtigste Erkenntnis
PI film color is very sensitive to heat treatment conditions
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