Material Drying
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Bubbles in FEP products
Problembeschreibung
Bubbles appear in FEP products
Ursachenanalyse
Trace moisture or oligomers in FEP pellets gasify at the processing temperature
Lösung
Strict drying (attention is still needed although the water absorption rate is extremely low); lower the processing temperature
Wichtigste Erkenntnis
Even extremely trace amounts of volatiles in FEP may cause bubbles at high temperatures
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