... wire is made by flat copper conductor (TBR, TBY1, TBY2), on which coating polyester-imine and polyamide-imide paint by the ... tool or by the felt in 5-13 layers. Based on yielding strength of conduct, it can be divided into soft ... , and is an ideal material to produce winding for dry transformer, oil-immersed transformer, generator, motor, reactor, and the other electric appliances. For special ...