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The Polymer Insulator is a modern electrical insulation solution designed for overhead power lines and high-voltage transmission systems. Made with a high-strength fiberglass core rod and covered by weather-resistant silicone rubber, this composite insulator offers excellent electrical insulation, mechanical strength, and long-term durability.
Compared to traditional porcelain insulators, the polymer insulator is lighter, more resistant to contamination, and performs better in harsh environments such as coastal, industrial, and high-humidity areas. Its hydrophobic surface reduces leakage current and minimizes flashover risks, ensuring reliable operation in power transmission and distribution networks.
Excellent Electrical Insulation:Maintains stable insulation performance under high voltage.
Hydrophobic Silicone Rubber Housing:Reduces leakage current and improves performance in wet conditions.
Lightweight & Easy Installation:Significantly lighter than porcelain insulators.
High Mechanical Strength:Fiberglass core provides strong load-bearing capacity.
Superior Weather Resistance:Resistant to UV, aging, and environmental pollution.
-Small volume and light weight, easy to transport and install
-The superior in performance and high intensity mechanical enhance reliability of power line
-Extraordinary hydrophobic and resistance to contamination
-Long-duration resistance aging and leakage tracking.
| Name | 10kv-500kv Composite Polymer Suspension/ Post/ Pin Insulator |
| Materials | 1) Silicon Rubber for sheds/ housing 2) Glass-fiber reinforced epoxy resin rod (ECR type) for core 3) Hop DIP galvanized cast steel for metal fittings 4) Fitting types: BALL, SOCKET, TONGUE, CLEVIS, EYE and Y-CLEVIS |
| Standard | ANSI, IEC, GB, BS, AS etc. |
| Color | brown, gray glazed |
| Producing | as per drawings or clients' requirement |
| Sample | offer free sample |
Overhead Power Transmission Lines:Used as a key insulation component to support conductors while maintaining electrical isolation between the conductor and tower or pole structures.
Distribution Line Systems:Installed in medium and low voltage distribution networks to ensure safe and stable power delivery.
Substation Equipment Insulation:Applied in substations to insulate electrical equipment such as switches, busbars, and transformers.
Harsh Environmental Conditions:Ideal for coastal areas, industrial zones, deserts, and high-pollution regions where traditional insulators are prone to failure.
Renewable Energy Projects:Widely used in solar and wind power systems for reliable insulation and long service life.
Railway & Electrification Systems:Used in railway electrification and signaling systems to ensure stable insulation performance.
High-quality fiberglass core rod tested for strength
Silicone rubber housing with excellent aging resistance
Electrical insulation performance verified under high voltage
Mechanical load and tensile strength tested
Manufactured in compliance with IEC standards
Q1: What is a polymer insulator?
A1: It is a composite insulator made of fiberglass core and silicone rubber housing used for electrical insulation.
Q2: What are the advantages over porcelain insulators?
A2: Lighter weight, better pollution resistance, and improved safety performance.
Q3: Can it be used in outdoor environments?
A3: Yes, it is designed for long-term outdoor use.
Q4: Is it suitable for high voltage applications?
A4: Yes, it is widely used in medium and high voltage systems.
Q5: Where is it commonly used?
A5: Overhead lines, substations, distribution systems, and renewable energy projects.
