Epoxy resin for middle & high-voltage insulation components

Key requirements for middle & high-voltage insulation components in the electrical industry:

Dielectric Strength

Insulation components must withstand the system's operating voltage and impulse voltages, with an appropriate safety factor designed.

Mechanical Strength

They need to withstand the mechanical stresses encountered during operation, including gravity, wind loads, short-circuit forces, etc. This is especially critical for outdoor equipment that faces harsh environmental conditions.

Aging Resistance

Insulation components will undergo aging during long-term operation, so they must resist degradation from factors like UV radiation, heat, and moisture.

Pollution Resistance

For outdoor applications, the insulation must have good anti-pollution performance to minimize the impact of contamination on insulation integrity.

Stability and Reliability

The insulation properties must remain stable within the designed service life, without risk of sudden failure.

Manufacturing Quality

 Strict manufacturing processes are required to ensure dimensional accuracy, surface finish, and other quality metrics.

Epoxy resin is a widely used insulation material in the electrical industry due to its excellent properties that make it well-suited for middle &high-voltage applications.

High Dielectric Strength

Epoxy resins exhibit exceptional dielectric strength, allowing them to effectively insulate high-voltage components and withstand the intense electric fields present in power systems.

Mechanical Robustness

Epoxy resins possess high mechanical strength, impact resistance, and dimensional stability, enabling them to withstand the various mechanical stresses encountered in power equipment, including vibrations, shocks, and deformations.

Thermal Stability

Epoxy resins have good thermal resistance and can maintain their insulating properties at the elevated temperatures commonly found in power equipment, such as transformers, switchgear, and bushings.

Chemical Resistance

Epoxy resins are highly resistant to a wide range of chemicals, oils, and solvents, making them suitable for environments where they may be exposed to various corrosive substances.

Excellent Adhesion

Epoxy resins exhibit strong adhesion to a variety of substrates, including metals, ceramics, and other materials used in power equipment, enabling reliable bonding and sealing.

Customizability

Epoxy resins can be formulated and tailored to meet specific application requirements, such as adjusting curing properties, thermal expansion coefficients, and filler composition to optimize performance.

Cost-Effectiveness

 Compared to some other high-performance insulation materials, epoxy resins offer a balance of desirable properties and cost-effectiveness, making them a popular choice for numerous power industry applications.