3723 Phenolic Cotton Cloth Rod

Phenolic rod insulation is a high-strength, heat-resistant rod made from cotton cloth impregnated with phenolic resin. It is widely used in electrical insulation for motors, transformers, switch bases, and other electrical equipment.

Chengrui Insulation supplies phenolic rods in standard and customized diameters and lengths, supporting bulk orders, sample testing, and export-ready packaging.

3723 Phenolic Cotton Cloth Rod Introduction

3723 Phenolic cotton cloth laminated rod is made of cotton cloth by roasting and hot pressing in a forming mold. The rod of which the section round has good mechanical property and machinability. Heat-resisting grade: E. It applies as parts of the insulating structure to the electrical equipments and usable in the transformer oil.

Diameter: 8-200mm

Length: 1000mm,1030mm, 980mm 

Color: Brown or Black

Insulation class: class E (120℃)

3723 Phenolic Cotton Cloth Rod Features

1. Good electric properties 

2. Good mechanical properties

3. Strong wear-resistant property

3723 Phenolic Cotton Cloth Bar Application

Widely used as insulating structural components with certain mechanical properties and electric properties on the machine, also for motor and electric appliances as well as oil submerge transformer.

3723 Phenolic Cotton Cloth Bar Specifications

Chengrui Insulation is a professional phenolic rod insulation supplier. We provide rods in various diameters, lengths, and grades. Our service includes:

• Custom diameter and length cutting

• Bulk supply for industrial and electrical manufacturers

• Sample approval before batch production

• Packaging suitable for export

This ensures our clients receive consistent, high-quality phenolic rods ready for industrial insulation applications.