Epoxy Resin Electric Glass Insulators

Product Details:
Place of Origin: China
Brand Name: DINGLI
Certification: ISO9001,ASTM,
Model Number: Insulator
Payment & Shipping Terms:
Minimum Order Quantity: Negotiation
Price: Negotiation
Packaging Details: Standard National Packing Method
Delivery Time: Depends on the quality of client
Payment Terms: 30% advanced payment , 70% balance payment before shipment.
Supply Ability: 2000 Ton per Month

Detail Information

Material: Composite Polymer, Silicone Rubber Insulator Type: Insulator
Model Number:: U120B/146 Usage: Insulation Protection
OEM/ODM: Available Color: Gray Insulator
High Light:

glass power line insulators


disc suspension insulator

Product Description

Epoxy Resin Electric Glass Insulators


Quick Detail: 

Epoxy Resin line Transmission composite post insulator



Composite polymer insulator is composed of epoxy glass fiber core rod, silicon rubber shed and metal parts.
Composite polymer insulator is of high strength and light weight. A synthetic insulator is 1/5 of that of porcelain insulator, but the circum-tensile strength of insulator is very high. Generally, it can be above 6000mpa.
Its umbrella skirt is an organic polymer structure of silicone rubber.Therefore, it has a strong anti-pollution performance.

The product has reliable structure and will not damage the core rod. It belongs to the rod-shaped insulation structure.


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Product Advantage: 


① Light weight: 

It's small in size and in light weight, it is about 1/5 to 1/9 of the porcelain insulator in the same grade voltage, so it' sconvenient for transportation and installation.

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② Good anti-pollution 

Composite insulator has a good anti-pollution performance, so it can operate safely in polluted areas, it requires neither annual cheaning nor maintaining at zero.

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③ High antifouling property

Good aging resistance performance, strong ability of anti-pollution flashover and good electric corrosion resistance, can ensure that the internal insulation core will not be affected by moisture.

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4. Strong shock resistance

Composite insulators have good brittleness resistance, strong shock resistance and there's no brittle fracture accident. Composite insulators are interchangeable with ceramic insulators.

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⑤Stable Performance

The composite insulator has high mechanical strength, reliable structure and stable performance, which provides a guarantee for the safe operation of the line.

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suitable for multiple industries, widely used in power grid, petro chemical, wind power, machinery, construction, communications and other industries.

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Related Product: 


Polymer line Post Insulator / Composite Tensile Insulator / Composite Suspension Insulator


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Composite Pin Insulator / Composite Post Insulator 

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Production and Quality Inspection 


Composite Insulator
Hardware cleaning and drying, mandrel polishing
Pressure welding connection
Preheat degreasing coating coupling reagent
Integral injection seal molding
External inspection and renovation
Post cure
Predelivery test
Nameplate on qualified products
Product packaging and warehousing


Quality Inspection Process:


Material Incoming Inspection Items
a:Strong light test (every piece)
b:Porosity and warter diffusion test
c:Power frequency withstand voltage inspection
d:Tension force loading inspection


a:50% rated mechnical load tensile test
b:50% rated mechnical load bending tes
c:50% rated mechniacl load torsinon test
d:Power frequency with stand voltage inspection


Sampling Inspection
a: Leakage current testing
b: The comparative and the proof tracking inspection
c: Lmpulse endurance test
d. lighting full-wave impulse test
e: Mechnical tensile test broking test




1.Specific packaging can be made to order.

You can specify other shipping methods such as Airmail, FEDEX or DHL. We shall let you know about the shipping cost after receipt of your order.And also can send by sea or air, kindly send me the port of yours.


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1. About us

HENAN DINGLI was founded in 1963 as a small electric power equipment manufacturer, after more than 50 years’development, DINGLI now is group company dedicated on total solutions for electricity projects covering survey, design, manufacture, complete equipment supply, construction, operations, maintenance, investment and so on. HENAN DINGLI actively devote to power grid construction, participated in all UHV construction projects and made an outstanding contribution to UHV transmission lines of China.

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Since 2000, HENAN DINGLI has been actively developing international business, successively built Ecuador, Cambodia manufacturing Base, Quito tower design center, Spain, Peru, Chile and other overseas service centers. We have got a number of international certificates, such as ISO certificate covering design, equipment and construction, AWS welding certificate, ASTM system certificate, Chile NCH 203 certificate, Colombia RETIE certificate, Costa Rica material quality Certificate, etc. By the end of 2018, the overall proportion of international business is more than 30% of the company's main revenue. We have provided high-quality products and services to more than 100 customers in 33 countries, including the markets of Europe, America, Africa and Southeast Asia. With strong technical support and on-site service capability, HENAN DINGLI has saved a lot of project costs for customers and won their recognition.


2. International Certificate

ASTM,RETIE,Nch203,Costa Rica ASTM,EPC,TCL,ect.


3. After-Sale Service


Technical Support

Technical support on pre-sales stage. DINGLI has own survey and engineering company with more than 100 engineers. We have special pre-sales engineer to work with customer at early stage of the project.


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Site assistance

Site assistance in Latin American market, so far we have sales and service center in Spain, Chile, Bolivia, Peru, Ecuador, Senegal, which will make a fast response for customer.


Warehouse and Emergency Supply

Warehouse and emergency supply for spare parts, damage parts and missing parts: DINGLI has built production line in Quito and warehouse for transmission line and distribution network in Ecuador, Bolivia and Senegal with common use spare parts.


Design and Consultant

Supported by both domestic engineering company and Quito tower design center, could provide technical consultant and design service within our scope of work. For Quito tower design center, most of the engineers are local staffs. The Design is based on ASTM protocols meantime with GB material standard, which will reduce the weight, and avoid the replacement on the profiles to save the working time.



Set-wisely packing or member-wisely packing as per client's requirements.




 Global-network map


Henan DINGLI Pole and Tower Co., ltd.

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Henan Dadi Electricity Engineering Co.,ltd.

Henan DINGLI Power Equipment Co.,ltd

Henan DINGLI Power Construction Co., ltd

Huading Concrete Pole Co., Ltd

Xingjiang Huili Steel Tower Co., Ltd.

Bazhou Dingli Tower Co., Ltd.

Shanghai Sales and Service Center

Beijing Sales and Service Center



Cambodia Phnom Penh Factory



Madrid (Spain) Sales and Service Center


Dakar, Senegal


Senegal (Dakar) Sales and Service Center

Senegal (Dakar) Spare Part Warehouse


Quito, Ecuador


Quito (Ecuador) Steel Tower Design Center (ASTM Standard)

Quito (Ecuador) Steel Tower Emergency Production Line

Quito (Ecuador) Raw Material and Spare Part Warehouse


Lima, Peru

Lima (Peru) Sales and Service Center


Cochabamba, Bolivia

Cochabamba (Bolivia) Raw Material and Spare Part Warehouse


Santiago, Chile

Santiago (Chile) Sales and Service Center


Jakarta, Indonesia

Jakarta (Indonesia) Sales and Service Center



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Customer Visit

Clients of Bolivia visited Dingli for factory inspection, we talked about the key issues faced right now, and found ways to solve it together. They set a high value on this cooperation.



Customers and Partners of Dingli

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