Electrical Insulation Rod

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Phenolic Laminated Rod/Bakelite Bar Rod

Phenolic Laminated Rod/Bakelite Bar Rod

Color: reddish brown, black
Diameter: 1-200mm
Length: support customize
Bending strength: 100Mpa
Density: 1.2-1.3g/m³
Insulation and high temperature resistance


Description of 3723 Phenolic Cotton Cloth Laminated Rod

3723 phenolic cotton cloth laminated rod is one of insulating rods with circular cross-section, created by cotton cloth impregnated with phenolic resin under hot pressing of molding.

It has higher mechanical strength, dielectric property and excellent Machinability. The insulation class is E class and the main color is coffee.

Application of 3723 Phenolic Cotton Cloth Laminated Rod

Apply to as insulating structural spares, screw processing parts and wear-resistant structural parts for mechanical equipments and can be used in humid condition and transformer oil.

Advantage of 3723 Phenolic Cotton Cloth Laminated Rod

3723 phenolic cotton cloth laminated rod, produced by ZTelec Group using phenolic resin as raw materials, can always maintain its structural integrity and dimensional stability even at extreme high temperature.

Ztelec Group adopts advanced mechanical processing technology and this product has the advantages of smooth surface, neat cutting ends, uniform color and reliable quality.

The mechanical and electrical properties of products are superior to the similar one of other companies.

Its quality is recognized by domestic and foreign large enterprises such as Lens Technology in China and Schneider Electric and sold overseas such as European and American areas.

Property Parameter of 3723 Phenolic Cotton Cloth Laminated Rod (refer to 3840 EPGC41)

Executive Standard:GB-T 5132.1-2009 IEC61212-1:2006

Number Item Unit Value
1 Density g/cm3 1.2-1.3
2 Flexural Strength at Perpendicular Lamination
(Under Normal)
MPa ≥125
3 Axial Compressive Strength MPa ≥90
4 Breakdown Voltage at Parallel Lamination
(Transformer Oil at 90℃)
Kv ≥10
5 Insulation Resistance after Immersion ≥5
6 Dielectric Loss Factor(50Hz) ≤0.03
7 Water Absorption Mg/cm2 ≤5
8 Thermal Index 120


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