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Epoxy resins are widely used in the electrical and electronic industries due to their excellent insulating properties, resistance to heat and chemicals, and mechanical strength. Epoxy insulators find applications in various electrical devices and systems, including power distribution, transformers, and electronic circuits.

Here are some key features and applications of epoxy insulators:


  1. Insulating Properties: Epoxy resins provide high dielectric strength, making them effective insulators to prevent the flow of electric current.

  2. Thermal Stability: Epoxy insulators can withstand elevated temperatures, making them suitable for applications where heat resistance is essential.

  3. Chemical Resistance: They resist the effects of various chemicals, ensuring long-term stability in different environmental conditions.

  4. Mechanical Strength: Epoxy insulators offer good mechanical properties, including high tensile strength and resistance to impact.

  5. Moldability: Epoxy resin can be molded into various shapes, allowing for the customization of insulating components.


  1. Power Distribution: Epoxy insulators are used in power distribution systems, such as switchgear and transformers, to provide electrical insulation.

  2. Electronic Components: They are employed in electronic circuits and devices to prevent electrical conductivity between different components.

  3. High-Voltage Equipment: Epoxy insulators are suitable for high-voltage applications due to their excellent dielectric properties.

  4. Outdoor Insulation: Epoxy insulators are often used in outdoor environments where exposure to weather conditions is a consideration, as they are resistant to moisture and UV radiation.

  5. Busbar Supports: Epoxy insulators can be used as supports for busbars in electrical panels and distribution boards.

These insulators contribute to the overall reliability and safety of electrical systems by preventing unintended electrical connections and ensuring proper insulation.


Epoxy insulators are commonly used in electrical and electronic applications for their specific advantages. Here are some of the key advantages of epoxy insulators:


  1. High Dielectric Strength:

    • Epoxy insulators exhibit high dielectric strength, allowing them to resist electrical breakdown even in high-voltage applications. This property is crucial for maintaining insulation integrity in electrical systems.
  2. Excellent Electrical Insulation:

    • Epoxy resin provides excellent electrical insulation properties. It helps prevent the flow of electric current, reducing the risk of short circuits and electrical faults.
  3. Resistance to Environmental Factors:

    • Epoxy insulators are resistant to various environmental factors such as moisture, chemicals, and UV radiation. This makes them suitable for outdoor applications where exposure to weather conditions is a concern.
  4. Corrosion Resistance:

    • Epoxy insulators are resistant to corrosion, making them suitable for use in harsh environments or areas with high levels of humidity. This property contributes to the long-term reliability of the insulator.
  5. Mechanical Strength:

    • Epoxy insulators often have good mechanical strength, providing resistance to mechanical stress, vibration, and impact. This makes them durable and capable of withstanding physical stresses in different applications.
  6. Lightweight:

    • Epoxy insulators are generally lightweight compared to some other insulation materials. This can be advantageous in applications where weight is a critical factor.
  7. Ease of Molding and Forming:

    • Epoxy resin can be easily molded into various shapes and forms, allowing for the manufacturing of insulators with complex geometries. This flexibility in design contributes to their versatility in different applications.
  8. Thermal Stability:

    • Epoxy insulators often exhibit good thermal stability, maintaining their properties across a wide temperature range. This is essential for applications where temperature variations are significant.
  9. Low Water Absorption:

    • Epoxy insulators typically have low water absorption rates, which helps maintain their electrical and mechanical properties over time. Low water absorption contributes to the insulator´s reliability in humid conditions.
  10. Chemical Resistance:

    • Epoxy insulators resist the effects of various chemicals, protecting them from degradation when exposed to corrosive substances. This chemical resistance enhances their suitability for diverse industrial environments.
  11. Easy to Install:

    • Epoxy insulators are often easy to install due to their lightweight nature and compatibility with different installation methods. This can lead to faster and more straightforward installation processes.
  12. Long Service Life:

    • The combination of the above properties contributes to the long service life of epoxy insulators, making them a reliable choice for various electrical and electronic applications.


While epoxy insulators offer these advantages, the selection of insulating materials should always consider the specific requirements of the application, industry standards, and safety regulations.


Welcome to our premier selection of cutting-edge electrical insulating solutions, featuring a comprehensive range of epoxy insulators designed to meet the demands of diverse applications. Our lineup includes state-of-the-art products such as:

1. Epoxy Insulators: Our standard epoxy insulators provide robust insulation for various electrical components, ensuring reliability and durability.

2. Epoxy Resin Insulators: Explore the benefits of epoxy resin insulators, known for their excellent electrical and mechanical properties, ideal for demanding environments.

3. High Voltage Epoxy Insulators: For applications requiring high voltage tolerance, our high voltage epoxy insulators offer superior performance and insulation capabilities.

4. Epoxy Bushings: Discover our epoxy bushings designed to provide effective insulation and support for electrical connections.

5. Outdoor Epoxy Insulators: Built to withstand outdoor conditions, our outdoor epoxy insulators ensure dependable performance in challenging environments.

6. Epoxy Post Insulators: Explore the versatility of epoxy post insulators, suitable for various applications in power distribution systems.

7. Epoxy Transformer Insulators: Optimize transformer performance with our epoxy transformer insulators, engineered for efficiency and reliability.

8. Polymer Epoxy Insulators: Our polymer epoxy insulators offer a lightweight yet sturdy solution for diverse electrical applications.

9. Epoxy Cast Insulators: Designed for precise applications, our epoxy cast insulators provide tailored solutions for your electrical insulation needs.

10. Epoxy Composite Insulators: Experience the advantages of epoxy composite insulators, combining different materials for enhanced performance.

11. Epoxy Electrical Insulators: Our epoxy electrical insulators deliver consistent insulation properties, ensuring the safety and reliability of your electrical systems.

12. Hollow Epoxy Insulators: For applications requiring lightweight solutions, our hollow epoxy insulators provide optimal insulation without compromising strength.

As a leading Epoxy Insulator Manufacturer and Supplier, we take pride in delivering top-tier insulating bushings and a variety of epoxy insulator products. Whether you need epoxy insulators for switchgear, power distribution, circuit breakers, or transformers, our technology-driven solutions are tailored to meet your specific requirements.

Explore the forefront of epoxy insulator technology with our high-quality and innovative products. Partner with us for reliable, durable, and efficient electrical insulation solutions.


A capacitive epoxy insulator is likely a type of insulating material that combines the properties of both epoxy resin and capacitance. This type of insulator is commonly used in electrical applications for its insulating and dielectric properties.

Here are some key points regarding a capacitive epoxy insulator:

  1. Material Composition: It is likely composed of epoxy resin, a type of polymer known for its excellent electrical insulating properties and mechanical strength.

  2. Capacitive Properties: The term "capacitive" suggests that the insulator may have the ability to store an electric charge or respond to changes in voltage, possibly for applications involving capacitive coupling or voltage measurement.

  3. Dielectric Strength: Epoxy resins are known for their high dielectric strength, making them suitable for electrical insulation to prevent the flow of electric current.

  4. Applications: Such capacitive insulators could be used in various electrical and electronic applications where a combination of insulation, mechanical strength, and possibly capacitive properties is required.

  5. Encapsulation: Epoxy resins are commonly used for encapsulating electronic components, providing protection against environmental factors and enhancing insulation.

How to produce epoxy insulators?

Producing epoxy insulators involves several steps to create the insulating material and mold it into the desired shape. Here´s a general overview of the manufacturing process:

  1. Raw Material Preparation:

    • Epoxy Resin: The main ingredient in epoxy insulators is epoxy resin. High-quality epoxy resin is selected based on factors such as electrical properties, thermal stability, and mechanical strength.
    • Hardener: Epoxy resin requires a hardener to cure and solidify. The hardener is carefully chosen to ensure proper curing and desired properties in the final product.
    • Fillers and Additives: Additional materials such as fillers (e.g., silica, alumina) and additives (e.g., flame retardants, colorants) may be added to modify the properties of the epoxy, such as improving strength, increasing thermal conductivity, or enhancing flame resistance.
  2. Mixing:

    • The epoxy resin, hardener, fillers, and additives are mixed together in precise proportions. This mixing process is typically done using specialized equipment to ensure thorough blending and uniform distribution of ingredients.
  3. Degassing:

    • The mixed epoxy compound is degassed to remove any entrapped air bubbles. This is important to prevent voids and defects in the final product.
  4. Molding:

    • The degassed epoxy compound is poured or injected into molds that are designed to produce the desired shape of the insulator. Molds may be made of metal, silicone, or other materials depending on the complexity of the insulator design.
    • During molding, the epoxy compound undergoes a curing process, initiated by the chemical reaction between the resin and the hardener. This process may involve applying heat and pressure to accelerate curing and ensure proper consolidation of the material.
  5. Curing:

    • The molded epoxy insulators are transferred to curing ovens or chambers where they are exposed to controlled temperature and humidity conditions. This allows the epoxy to fully cure and reach its final mechanical and electrical properties.
  6. Finishing:

    • Once cured, the epoxy insulators may undergo finishing processes such as trimming, grinding, or machining to achieve precise dimensions and surface smoothness.
    • Surface treatments, such as coating or painting, may be applied to enhance the insulator´s appearance or provide additional protection against environmental factors.
  7. Quality Control:

    • Throughout the manufacturing process, quality control measures are implemented to ensure that the epoxy insulators meet the required specifications and standards. This may include dimensional inspection, electrical testing, visual inspection, and performance testing under simulated operating conditions.
  8. Packaging and Shipping:

    • After passing quality control checks, the epoxy insulators are packaged according to customer requirements and prepared for shipping to end users or assembly facilities.

It´s important for manufacturers to follow strict quality control procedures and adhere to relevant industry standards and regulations to ensure the safety, reliability, and performance of epoxy insulators. Additionally, ongoing research and development efforts may focus on improving the material properties, manufacturing efficiency, and environmental sustainability of epoxy insulators.