Material Drying
3 Aufrufe
PAI product bubbles and pores
Problembeschreibung
Severe bubbles in PAI injection molded products cause performance to be substandard
Ursachenanalyse
Insufficient drying, moisture content exceeding the standard (requires 150°C/4-6h); at processing temperatures of 340-380°C, moisture vaporizes
Lösung
Strictly dry to moisture content <0.05%; use a vented screw; increase holding pressure
Wichtigste Erkenntnis
PAI is extremely sensitive to moisture
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