Core characteristics of composite insulators
2025-07-23
Lightweight and High Strength
The weight is only 1/7-1/10 of that of porcelain insulators of the same grade, making it easy to transport and install.
High tensile strength, capable of withstanding mechanical loads above 300-500kV and 300N levels, suitable for large-span power lines.
Excellent anti pollution flash performance
The hydrophobicity of silicone rubber umbrella skirts ensures even distribution of pollution, with a pollution flashover voltage more than twice that of ceramic insulators, reducing the workload of cleaning and maintenance.
Suitable for polluted areas and heavily polluted environments, such as coastal areas, industrial zones, etc.
Weather resistance and aging resistance
Stable performance within the temperature range of -60 ℃ to+200 ℃, capable of withstanding harsh weather conditions such as humidity, salt spray, and ultraviolet radiation.
By improving the silicone rubber formula (such as adding Mg SiC composites) and interface treatment techniques, the service life can be further extended.
Anti arc and anti shooting
Silicone rubber material has good arc resistance, which can prevent fires and equipment damage caused by electric arcs.
In areas with severe shooting hazards, such as North America and Latin America, composite insulators can effectively resist bullet impacts.
Low installation and maintenance costs
Compact structure, small volume, reducing tower load and material costs.
No need to measure zero value, low failure rate during operation, and long maintenance cycle.
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Ceramic insulators are insulators made of ceramic materials such as alumina.
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