Properties of enameled wire

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Properties of enameled wire

Properties of enameled wire





1. Acetal enameled wire, heat class 105 and 120, has good mechanical strength, adhesion, resistance to transformer oil and refrigerant performance, but the product poor moisture resistance, low thermal softening breakdown temperature, durable benzene-alcohol mixed solvent performance weak and other defects, only a small number of oil-immersed transformer, oil-filled motor winding.
2. Polyurethane enameled wire; thermal grade 130, 155, 180, 200. The biggest characteristic is that it has direct weldability, good high frequency resistance, easy coloring, good moisture resistance, widely used in electronic appliances and precision instruments, telecommunications, meters, the product weaknesses are slightly poor mechanical strength, heat resistance is not high, and the production of large specifications of wire. Flexibility and adhesion are poor, so the product is produced in medium and small size.

Properties of enameled wire

3. Polyester and modified polyester enameled wire, the heat grade of ordinary polyester enameled wire is 130, and the heat grade of modified enameled wire is 155. The product has high mechanical strength, good elasticity, adhesion, electrical properties and solvent resistance, the weakness is poor heat shock resistance, low moisture resistance. It is one of the largest varieties in China, accounting for about two-thirds of the total production. It is widely used in various electrical machinery, electrical appliances, meters, telecommunications equipment and household appliances.
4. Polyesterimide/polyamide imide composite enameled wire system is widely used in domestic and foreign heat-resistant enameled wire, its heat level is 200, the product has high heat resistance, also has the characteristics of freezing agent, cold resistance, radiation resistance, high mechanical strength, electrical stability, chemical resistance and refrigerant resistance, overload performance. Strong force. Widely used in refrigerator compressors, air conditioning compressors, power tools, explosion-proof motors and high temperature, cold, radiation, overload and other conditions under the use of motor, electrical appliances.
5. Polyesterimide/polyamide composite enameled wire, heat class 180 This product has good heat shock resistance, high softening breakdown temperature, excellent mechanical strength, good solvent resistance and refrigerant resistance, the weakness is easy to hydrolyze in closed conditions, widely used in heat-resistant motor, electrical appliances, meters, electric tools, power dry-type pressure And other windings.

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