PMMA Extruded Sheet Bubbles

Problembeschreibung

Bubbles inside the sheet.

Ursachenanalyse

Insufficient drying, venting failure.

Lösung

①Dehumidifying drying; ②Vacuum venting check; ③Hopper moisture protection.

Wichtigste Erkenntnis

Sheet bubbles = drying.

PMMA; extrusion; bubbles; drying; venting

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