The core rod of the composite cross-arm insulator is made by drawing with epoxy resin and glass fibers as the main raw materials through a special process. It plays a dual role of mechanical connection and internal insulation in cross-arm insulators, and is one of the main materials of cross-arm insulators. The core rods of the composite cross-arm insulators produced by Tepri Electric are made of high-quality epoxy resin and non-alkali, non-twisted glass fibers through a vacuum pultrusion process. During the production process, no waxy demolding agents are used, and the product performance is excellent, receiving high praise from industry customers!
Application of cross-arm insulator core rods:
Various types of composite cross-arm insulators
Characteristics of the core rod of the composite insulator:
During the production process, no waxy demolding agent is used, and it has good adhesion to silicone rubber.
The unique production process and high-quality raw materials ensure stable electrical performance and excellent mechanical properties. The stress corrosion resistance test of the acid-resistant mandrel can last for more than 7200 hours.
The product has been widely applied in China’s ultra-high voltage lines, including AC 1100kV and DC ±800kV.
Parameters of the core rod of the composite insulator:

We have been engaged in the production of composite insulator core rods for nearly 30 years and have a strong engineering team. We will, based on the usage conditions and performance requirements of the products, formulate complete solutions for our customers from multiple perspectives including product transportation, installation, maintenance, and cost-effectiveness.

