Wrinkling on the surface of cast film

Problembeschreibung

Orange-peel-like wrinkles appear on the film surface

Ursachenanalyse

Uneven cooling, uneven temperature, and uneven hauling tension

Lösung

Optimize the air ring, stabilize the temperature, and adjust the hauling tension

Wichtigste Erkenntnis

Film appearance is closely related to cooling conditions

PVDFwrinkling

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