Polyesterimide coating

Polyesterimide coating is an insulating material used in the manufacture of electromagnetic or enameled wires. It is applied to wires for electrical insulation and protection.
Polyesterimide is a synthetic polymer with excellent thermal and electrical properties for high temperature applications. The coating is made from a combination of polyester and imide resins to improve the performance and durability of the wire.



Below are some of the key features and benefits of polyesterimide coatings:
High Temperature Rating: Polyesterimide coatings are designed to withstand high operating temperatures, typically up to 200°C (392°F) or higher. This makes them suitable for applications that require heat resistance, such as motors, transformers and other electrical equipment that generate a lot of heat.
Electrical insulation: Polyesterimide coatings provide excellent electrical insulation, preventing current leakage and ensuring reliable performance. It helps protect wires from short circuits and electrical faults.
Thermal Stability: Polyesterimide coatings have good thermal stability, which means they can withstand prolonged exposure to high temperatures without degradation. This is important for applications where heat is generated during operation, as the coating must maintain its insulating properties under such conditions.
Mechanical Strength: The coating provides good mechanical strength and abrasion resistance, which helps protect the wire during handling and installation. It also enhances the wire's durability and resistance to damage in challenging operating environments.
Chemical Resistance: Polyesterimide coatings exhibit good resistance to a wide range of chemicals, oils and solvents, which contributes to their overall reliability and longevity.

Due to these properties, polyesterimide coatings are widely used in the production of electromagnetic wires for high temperature applications. They enable wires to work reliably in demanding electrical systems and contribute to the efficient operation of motors, transformers and other equipment.