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Composite Insulator

High-voltage electrical insulation equipment composed of a glass-fiber-reinforced core rod, an organic silicone rubber umbrella skirt, and metal end fittings, all integrated via a high-temperature vulcanization process.

Category:

Composite Insulator

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+86 15175398888

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  • Product Description

  • Product Introduction

    Composite insulators (also known as synthetic insulators) are high-voltage electrical insulation devices manufactured by integrating a glass-fiber-reinforced core rod, an organic silicone rubber shed, and metal end fittings through a high-temperature vulcanization process. At the heart of their design is an "core rod-shed-galvanized fittings" integrated structure—distinct from the traditional multi-piece series-connected design of conventional porcelain or glass insulators.

    Key Features

       Lightweighting
       Weighing only 10%-20% of porcelain insulators with the same specifications (e.g., a 220kV product weighs just 10 kg), these insulators significantly reduce the load on transmission towers, making them particularly well-suited for ultra-high-voltage lines and large-span projects.

    Mechanical properties
       The core rod boasts a tensile strength exceeding 1000 MPa (compared to about 150 MPa for porcelain insulators), enabling it to withstand strong winds of up to magnitude 8, as well as ice accretion impacts.

    Intelligent self-cleaning capability
       Silicone rubber umbrella covers feature hydrophobic migration properties, creating a water-repellent "lotus effect" where rainwater forms beads that effortlessly roll off the surface. This results in an insulator contamination resistance rating of up to Class IV (compared to just Class II for porcelain insulators), reducing the frequency of annual cleaning in heavily polluted areas from 6 times down to zero.

Choose our advantages

Factory direct supply

Customization supported

Carefully selected

Easy to operate

Shipment dispatched promptly

One-stop service

Customized Services

OEM

OEM/ODM

We have a professional design team that can provide end-to-end services—from design to production. We also accept custom orders or other tailored requests based on your drawings or samples.

Customization

Non-standard customization

The original manufacturer boasts strong capabilities, with robust production and R&D expertise, enabling it to undertake the design, manufacturing, and customized services for non-standard products.

Factory real scene

Product packing
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Factory environment
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Exhibition Hall 02

FAQ

How can we ensure the safe transportation of products? And how is shipping cost calculated?

We use professional export packaging materials and techniques to provide multi-layered protection for your products, ensuring they arrive safely at their destination. For fragile items, we apply extra reinforcement measures. Shipping costs vary depending on the transportation method you choose—such as sea freight, air freight, or express delivery—as well as the weight, dimensions of the goods, and your specific destination. After you place your order, we’ll calculate the exact shipping fee based on the actual situation and promptly inform you.

What payment methods do you accept?

We accept a variety of secure and convenient payment methods, including wire transfers to our bank account, Western Union, and PayPal. Payment terms typically require a 30% down payment, with the remaining 70% due upon receipt of the bill of lading copy. For customers who maintain long-term, stable partnerships or place large orders, we can discuss more flexible payment arrangements.

How long is the typical order delivery cycle?

Sample orders typically take around 7 business days for delivery. For bulk production orders, shipment will be arranged within 20–30 business days after we receive your 30% deposit and once the product design has been confirmed. In case of special circumstances or if you have urgent requirements, please let us know in advance, and we’ll do our best to coordinate and expedite the process.

Do you have a minimum order quantity requirement?

Yes, for international orders, we do have a minimum order quantity requirement. The specific threshold may vary depending on the product. If you’re looking to purchase in smaller quantities, feel free to reach out—we’ll do our best to work with you and provide a suitable solution.

What is the price of your product?

Our product prices may vary depending on factors such as fluctuations in raw material markets, order quantities, and product specifications. You can reach out to us via website message, email, or phone to share your detailed product requirements, and we’ll promptly send you a new, accurate quotation.
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