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. Feathers of Polyamide over Coated with Polyester-Imide Insualted Round Magnet Copper Wire Thermal Class C 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