ECR-Glass Core Rod for High Voltage Composite Insulator

If you are an electronics or electrical appliance manufacturer and produce small insulating structural components, you can choose SARAH high quality the Φ16 - Φ18 etc. small-diameter specifications of ECR-Glass Core Rod for High Voltage Composite Insulator. Pay attention to insulation-related indicators such as volume resistivity and water diffusion, so that the product can provide reliable insulation in a small space.

If you have any interest in other specifications, please feel free to contact us at any time. We will recommend customized solutions based on our own experience!

Product Specifications and Appearance

Dimension Specifications

SARAH offers a variety of ECR-Glass Core Rods for High Voltage Composite Insulators in different diameters, including Φ16, Φ17, Φ18, Φ24, Φ30, Φ36, Φ80, Φ53, Φ63, Φ68, etc. (Different specifications can meet the size requirements of different application scenarios. For example, small-sized electronic component insulation supports can choose the small diameter specification, while large-sized power equipment insulation components can choose the large diameter specification.)

Appearance Characteristics

The rod body is uniformly light green (due to the natural coloration resulting from the combination of E-glass fibers and resin). The surface is smooth and flat. The cross-section is circular. The overall shape is straight, with a small diameter tolerance. The length can be customized according to customer requirements (the standard length is usually suitable for industry-wide common applications, while the customized length can meet special installation or processing scenarios).

Performance Parameters

Insulation Performance Analysis

The volume resistivity remains ≥ 10¹⁰ Ω·m even at 140℃ and for 96 hours, indicating that it can still maintain excellent electrical insulation barrier performance under high-temperature conditions. It is suitable for electrical equipment in high-temperature environments.

The DC breakdown voltage is ≥ 50KV (tested for 10 minutes). The lightning impulse withstand voltage can reach ≥ 5 times under the conditions of 100kV and 10mm. It can effectively resist overvoltage impacts such as lightning and ensure the safe operation of power equipment.

Analysis of Mechanical Properties

The tensile strength is ≥ 1690 Mpa, the bending strength is ≥ 1100 Mpa, and the torsional strength is ≥ 800 Mpa. The high mechanical strength enables it to withstand considerable tensile force, bending moment and torsional force, and can be used as an insulating structural component to bear mechanical loads.

The interlayer shear strength is ≥ 50 Mpa, which enhances the shear resistance of ECR-Glass Core Rod in the layered structure, preventing interlayer separation; when heated to 150℃, the bending strength is still ≥ 350 Mpa, adapting to mechanical stress in high-temperature environments; the stress corrosion test lasts for ≥ 7200 hours (1 Molar/L HNO₃, 67% stress), with strong resistance to chemical corrosion and stress corrosion, and extending the service life.

Application Scenarios

ECR-Glass Core Rod for High Voltage Composite Insulator is used for high-voltage composite insulators, transformer insulation supports, cable accessory insulation components, etc. With its high insulation strength and voltage resistance performance, it ensures the safety of power transmission and transformation processes.

As insulation supports for electronic components, insulation casings for connectors, support structures for motor insulation windings, etc., the design of electronic and electrical products that meet the requirements of miniaturization and high insulation.

Delivery and Fulfillment

Use wooden packaging boxes, and add cushioning materials (such as foam and paper pads) inside to prevent the rod bodies from colliding and getting damaged during transportation, ensuring that the products are delivered intact.

Transportation method: We support road transportation (such as container transportation, as shown in the figure with the container loading method, which can transport different specifications of glass rods in batches and meet the requirements of long-distance freight transportation). You can also choose transportation methods such as railway and sea transportation according to customer requirements.

Delivery cycle: For standard specification products, they can be dispatched within 3 to 7 working days once the inventory is sufficient; for customized specifications (such as special lengths and diameters), the production cycle is approximately 15 to 20 working days. The specific time will be determined according to the agreement reached after the order is confirmed by both parties.

SARAH has the capacity for large-scale production, with a monthly output of up to [X] tons (or [X] units, depending on actual production capacity).

Product Advantages

Multiple diameter specifications are available, and the length can be customized. This enables flexible satisfaction of the size requirements for various applications.

Vacuum infusion - The extrusion resin reinforcement process ensures the stability and consistency of product quality.

Standardized packaging + diverse transportation methods + flexible delivery cycle, quickly responding to customers' delivery demands.

After-sales Service

Provide the quality inspection report for ECR-Glass Core Rod for High Voltage Composite Insulator (including third-party testing or in-house self-inspection report), ensuring that the product performance meets the parameter requirements.

Free of charge, we provide customers with product selection suggestions, application scheme design consultations, and assistance in resolving technical issues encountered during the use of the products.