Sep 07 , 2024
Polyamide over coated with Polyester-imide Round Magnet Copper wire is a high-performance electromagnetic wire product, with an insulation layer composed of a composite of Polyesterimide (PEI) and Polyamide-imide (PAI). The composite coating significantly enhances the long-term stability and reliability of the polyimide magnet wire in complex working environments, and ensures electrical insulation performance and mechanical strength at higher temperatures.
| Type | Polyester | Modified Polyester | Polyurethane | Polyesterimide | Polyamide-imide | Polyamide |
| Code | PEW, QZ | PEW, QZ | UEW, QA | EIW, QZY | EI/AIW, QZY/XY | AIW, QXY |
| Thermal Class | Class B, 130°C | Class F, 155°C | Class F, 155°C | Class H, 180°C | Class H, 200°C | Class L, 220°C |
| Insulation thickness | Grade 1, 2, 3 | |||||
| Standard | IEC 60317, NEMA MW, JIS | |||||
| Characteristics | Good heat resistance and mechanical strength. LOW cost. | High mechanical strength, good elasticity, scratch resistance, adhesion, electrical properties and solvent resistance | Solderability (no need to remove the insulation). High frequency resistance and dyeability | Good thermal shock resistance and refrigerant resistance. Excellent chemical resistance, abrasion resistance | More comprehensive performance, with high heat resistance, mechanical properties, refrigerant resistance and chemical resistance | Highest heat class High heat resistance, good solvent and refrigerant resistance |
The design of this enameled copper wire aims to meet the stringent requirements of high-end electrical equipment in terms of heat resistance, electrical insulation, and mechanical strength.
1 High Heat Resistance: The composite insulation layer allows the polyimide magnet wire to operate at temperatures up to 200°C or even higher, suitable for H class insulation level requirements and above.
2 Excellent Electrical Insulation Performance:
3 Good Mechanical Strength
4 Chemical Stability and Solvent Resistance
5 Moisture Resistance
