Polymeric compositions suitable for use as insulation materials in electrical applications. Such polymeric compositions comprise an ethylene/-olefin-based elastomer and a filler, where the filler consists essentially of an amorphous silica. Such polymeric compositions can optionally further comprise an ethylene-based thermoplastic polymer. Also disclosed are coated conductors comprising such polymeric compositions as insulation materials.

Polymeric compositions suitable for use as insulation materials in electrical applications. Such polymeric compositions comprise an ethylene/-olefin-based elastomer and a filler, where the filler consists essentially of an amorphous silica. Such polymeric compositions can optionally further comprise an ethylene-based thermoplastic polymer. Also disclosed are coated conductors comprising such polymeric compositions as insulation materials.

Polymeric compositions suitable for use as insulation materials in electrical applications. Such polymeric compositions comprise an ethylene/-olefin-based elastomer and a filler, where the filler consists essentially of an amorphous silica. Such polymeric compositions can optionally further comprise an ethylene-based thermoplastic polymer. Also disclosed are coated conductors comprising such polymeric compositions as insulation materials.

A hydrogen-free amorphous dielectric insulating film having a high material density and a low density of tunneling states. The film is prepared by deposition of a dielectric material on a substrate having a high substrate temperature T.sub.sub under high vacuum and at a controlled low deposition rate. In one embodiment, the film is amorphous silicon while in another embodiment the film is amorphous germanium.

An electrically insulating gas composition comprises C.sub.3F.sub.7CN, in an amount between 22% and 70% by volume and one or more inert gas selected from the list consisting of nitrogen, carbon dioxide (CO2), air and argon.

An electrically insulating gas composition comprises C.sub.3F.sub.7CN, in an amount between 22% and 70% by volume and one or more inert gas selected from the list consisting of nitrogen, carbon dioxide (CO2), air and argon.

A power cable including: a conductor, an insulation system arranged around the conductor, a tape arrangement forming an interface between the conductor and the insulation system, the tape arrangement having one or several layers of which a first layer has an inner facing surface arranged to face the conductor, wherein the inner facing surface of the first layer of the tape arrangement is coated with friction enhancing material.

Magnet wire including extruded insulation formed from a blend of different polymeric materials is described. A magnet wire may include a conductor and insulation formed around the conductor. The insulation may include base enamel insulation and at least one layer of extruded insulation formed from a blend of at least three different polymeric materials. The enamel insulation may include either filled polyimide or filled polyamideimide. For the blend, a first polymeric material, such as polyetheretherketone, may have a thermal index above 240 C. Second and third polymeric materials, such as polyphenylsulfone and polyethersulfone, may have lower thermal indexes.

A high voltage electrical component for an electric vehicle is provided. The component comprises a polymer composition that includes a polymer matrix containing a liquid crystalline polymer. The composition exhibits a comparative tracking index of about 125 volts or more as determined in accordance with IEC 60112:2003 at a thickness of 3 millimeters. Further, the composition defines an orange surface that is characterized by a L* value of from about 55 to about 75, an a* value of from about 18 to about 38, and a b* value of from about 22 to about 42, wherein L*, a*, and b* are calculated using CIELAB units according to ASTM D2244-16.

A high voltage electrical component for an electric vehicle is provided. The component comprises a polymer composition that includes a polymer matrix containing a liquid crystalline polymer. The composition exhibits a comparative tracking index of about 125 volts or more as determined in accordance with IEC 60112:2003 at a thickness of 3 millimeters. Further, the composition defines an orange surface that is characterized by a L* value of from about 55 to about 75, an a* value of from about 18 to about 38, and a b* value of from about 22 to about 42, wherein L*, a*, and b* are calculated using CIELAB units according to ASTM D2244-16.