| 摘要 |
<p>A solid insulator for an electric equipment coil is proposed which comprises a base film of a polyester, and a protective film of a resin selected from the group consisting of polypropylene, polyester, fluoropolymer, and aramid resin, which is formed on at least one major surface of said base film. There is also proposed an electric equipment coil comprising a winding which is resistive to hydrolysis and chemicals, an insulating film surrounding said winding, and a water-soluble insulating varnish filled and cured under heating between turns of said winding, wherein said insulating film comprises above said solid insulator.</p> |
