UEW Standard Enamlled Aluminum Round Transformer Winding Wire is a main kind of winding wire. It consists of conductor and insulating layer. After annealing and softening, the bare wire is painted and baked many times. However, it is not easy to produce products that meet both standard requirements and customer requirements. It is affected by raw material quality, process parameters, production equipment, environment and other factors. Therefore, the quality characteristics of various enameled wires are different, but they all have four major properties: mechanical, chemical, electrical and thermal properties.