PET Sheet Extrusion Bubbles

Problembeschreibung

Bubbles inside the sheet.

Ursachenanalyse

Water-containing hydrolysis produces gas; drying dew point not up to standard.

Lösung

①Dehumidifying drying dew point ≤-40℃; ②check the drying system; ③vacuum check of the venting section.

Wichtigste Erkenntnis

Bubbles = drying dew point.

PET; sheet; bubble; drying; dew point

War das hilfreich?

0 Personen fanden dies hilfreich