Mica Covered Copper and Aluminum Wire

Mica paper in Mica cover round & rectangular / flat coper and aluminum wire consists of tiny platelets of mica that are made into a paper. This paper is extremely fragile and requires a carrier to render it usable, hence the polyester film. With respect to corona & thermal resistance requirements, Mica has shown itself to be the most suitable insulating material. Its application is mainly in high voltage rotating machines due to its superior resistance to corona and it is therefore obvious to use it also as conductor insulation in inverter driven motors.

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