Enameled Wire Has Good Chemical Stability

  • The Enameled Wire(XINYU-ENAMELEDWIRE) is a main type of winding wire. It consists of two parts: the conductor and the insulating layer. The bare wire is annealed and softened, and then baked and baked. However, it is not easy to produce a product that meets both the requirements of the standard and the requirements of the customer. It is affected by factors such as raw material quality, process parameters, production equipment, and environment. Therefore, the quality characteristics of various enameled wires are different, but they all have Four properties of mechanical properties, chemical properties, electrical properties, and thermal properties.

    In general, enameled wire can be divided into:

    1. General purpose enameled wire (ordinary wire): mainly used for general motors, electrical appliances, meters. Winding wire for working places such as transformers.

    2. Heat-resistant enameled wire: It is mainly used for winding wires of motors, electrical appliances, instruments, transformers and other working places working at temperatures above 180 °C.

    3. Special purpose enameled wire: refers to the enameled wire with certain quality characteristics, used for the winding wire of a specific occasion.

    After the enameled wire is wound into a coil, it is generally subjected to an impregnation process. The solvent in the impregnating varnish has different degrees of swelling effect on the paint film, especially at a higher temperature; the immersed winding is in use during use due to heat The paint film may cause thermal cracking, so the compatibility of the impregnating varnish and the enameled wire paint film has a great influence on the service life of the motor, the electrical appliance and the instrument. During use, the windings may come into contact with various surrounding media, such as contact with refrigerant in the refrigeration unit, and contact with various chemical gases in the chemical plant. These media have different degrees of corrosion on the paint film, and the salt spray is on the ocean. The enameled wire of electrical products on ships can also produce chemical corrosion, etc., so the paint film of the enameled wire is required to have good chemical stability.

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