Customization: | Available |
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Application: | High-voltage, Low-voltage, High-temperature |
Material: | Composite Polymer |
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The 25kV pinhole HDPE insulator is a high-performance electrical insulation product made from high-density polyethylene (HDPE), commonly used in power systems for cable terminations and junction insulation. Its unique pinhole design enhances surface leakage distance and reduces flashover risk, ensuring safe and reliable electrical operation.
This insulator mainly consists of:
Main Body: Constructed from HDPE, which provides excellent electrical insulation and weather resistance.
Pinhole Design: Extends creepage distance and controls corona discharge.
Metal Fittings: Made of galvanized steel or aluminum alloy to ensure mechanical strength and durability.
HDPE offers advantages such as lightweight, corrosion resistance, and UV stability, making it ideal for outdoor electrical applications.
Parameter | Value |
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Rated Voltage | 15kv,25kV,35kv |
Rated Frequency | 50/60Hz |
Material Type | High-Density Polyethylene (HDPE) |
Power Frequency Withstand Voltage | ≥ 60kV |
Insulation Resistance | ≥ 1000MΩ |
Tensile Strength | ≥ 12MPa |
Operating Temperature | -40ºC to +85ºC |
Flame Retardancy | UL94 V-0 (Optional) |
Excellent Insulation: Stable HDPE performance prevents leakage and breakdown.
Superior Aging Resistance: Performs well under extreme UV and environmental conditions.
Lightweight & High Strength: Easy to transport and install, reducing labor costs.
Smooth Surface: Dirt-resistant, reducing maintenance requirements.
Pinhole Design: Increases leakage distance, enhancing safety.
Widely used in medium-voltage distribution networks, substations, rail power systems, and urban underground cable networks. Especially suitable for coastal areas, high humidity, or polluted environments.
Customization Service
We offer tailored solutions, including:
Pinhole size and layout customization;
Length and color options;
Enhanced weather-resistant designs;
OEM/ODM support for metal fittings or structural changes.
Drawings and samples can be delivered quickly to meet project-specific demands.
As a direct manufacturer, WishPower offers competitive factory pricing with the following advantages:
Bulk order discounts;
Ready stock for various specifications;
Fast shipping and reliable lead times;
Support for international certification standards.
Contact us to get real-time pricing and sample support.
WishPower is a professional factory specializing in the production of composite insulators. We meet the needs of various industry applications. If you are looking to purchase equipment, feel free to contact us for a product quotation.