
Polyester wire insulating varnish is a type of insulating coating specifically designed for electrical wires and coils. It is used predominantly in the manufacturing of magnet wires, which are essential components in electric motors, transformers, and various electronic devices. Here are some key points about polyester wire insulation enamel:
Thermal Resistance: Polyester enamel has good thermal stability, often rated for use in high-temperature environments. It can withstand a range of temperatures, making it suitable for various applications.
Electrical Insulation: It offers excellent dielectric properties, insulating the wire and preventing electrical conduction between neighboring wires or components.
Chemical Resistance: The enamel is resistant to many chemicals, oils, and solvents, helping to protect the wire from environmental factors.
Adhesion: Polyester enamel can form a strong bond to the metal substrate, ensuring durability and reliability.


WPE1740 - Polyester Insulation Enamel
Type | Solid Content(%) | Viscosity (mPa.s,25) | Wire Diameter Range (mm) | Thinner | Application Method |
1740/36 | 36±1 | 350-650 | 0.20-2.00 | D100 | Dies |
1740/40 | 40±1 | 1000-1400 | 0.30-3.00 | Dies |

Wuhu Laike Special Additives Co., Ltd. is located in the beautiful city of Wuhu, Anhui Province. Established in 2006, it is a company specializing in the production of enameled wire coatings, with over ten years of experience in the production and sales of insulation materials. The company is dedicated to the research and production of high-quality enameled wire coatings, providing premium insulation solutions for the motor and electrical industries. With advanced production equipment and a skilled technical team, the company can meet customers' customized product requirements for high temperature resistance, corrosion resistance, wear resistance, and other special performance needs. The main products include modified polyester (PE) insulation coatings, polyesterimide (EI) insulation coatings, polyurethane (PU) insulation coatings, polyamideimide (AI) insulation coatings, and independently developed insulation material additives. Our products are widely used in various fields such as motors, transformers, and coils, and have earned the trust and praise of customers.
N.W. | Packing | Loading in 20ft container |
200kg | Iron drum | 16 mts |
1000kg | IBC bucket | 18 mts |
