Polyurethane class F / H self bonding super tension magnet copper wire

Enameled copper wire produced by existing technology is generally coated with a layer of liquid or solid lubricant on its insulation. As friction coefficient on the surface is high, which is not suitable for high-speed automatic winding. For winding winded with this enameled copper wire, its external lubricant can be easily volatilized by heat during operation. When it stops working, the lubricant cools and condenses and transmits to relay contact points, resulting in disturbance of signal and shortened life for relay caused by malfunction of conduction.

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