FOLIE ZUR ELEKTRISCHEN ISOLIERUNG

The present invention relates to a capacitor film comprising a biaxially oriented polypropylene wherein a) said polypropylene has a draw ratio in machine direction of at least 4.0 and a draw ratio in transverse direction of at least 4.0, and b) said polypropylene has an electrical breakdown strength...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DANIELS, YVO, JACOBS, FRANCK, ERNST, EBERHARD, STADLBAUER, MANFRED, HUHTANEN, LAURI
Format: Patent
Sprache:ger
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Beschreibung
Zusammenfassung:The present invention relates to a capacitor film comprising a biaxially oriented polypropylene wherein a) said polypropylene has a draw ratio in machine direction of at least 4.0 and a draw ratio in transverse direction of at least 4.0, and b) said polypropylene has an electrical breakdown strength EB63% according to IEC 60243-part 1 (1988) of at least 300 kV/mm at a draw ratio in machine direction and in transverse direction of 4.0.