Laminated Rods

Beijing Friend Group: Your Professional Laminated Rods Manufacturer!

 

Founded in 1996, Beijing Friend Group is headquartered in Beijing Yizhuang Economic and Technological Development Zone. The company's main products include epoxy glass laminated sheets, phenolic cotton laminated sheets, phenolic paper laminated sheets, polyester molded products, laminated rods, composite profiles, etc.

 

 
  • EPGC41 (G10 Rod) Laminated Rods
    EPGC41, known similar to NEMA G10, made of glass fabric impregnated with epoxy resin, then heated into prepreg and rolling into the rod shape, finally put into the different diameters molds, under...
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  • L class Laminated Rods
    L class laminated rod is ideal for structural and mechanical applications that require precision machining. Made from a linen fabric impregnated with phenolic resin, L provide excellent wear...
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  • NEMA CE Laminated Rods
    NEMA CE laminated rod is made of cotton soaked with phenolic resin and hot pressed by mold.
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  • C Phenolic Cotton Laminated Rods
    C laminated rod is made of cotton soaked with phenolic resin and hot pressed by mold. It has high mechanical properties and processability. Suitable for electrical equipment as an insulating...
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  • FR4 Rod 3841FR Epoxy Glass Laminated Rods
    3841FR, similar to NEMA FR4, is a molded laminate rod produced from woven glass fabric bonded with a flame-retardant epoxy resin. This material exhibits high strength, minimal moisture absorption,...
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  • 3725 (PFCC41 phenolic cotton) Laminated Rods
    3725, similar to IEC PFCC41, Made of cotton fabric impregnated with phenolic resin, then heated into prepreg and rolling into the rod shape, finally put into the different diameters molds, under...
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  • 3842 (G11 Rod) Laminated Rods
    3842, similar to NEMA G11, made of glass fabric impregnated with epoxy resin, then heated into prepreg and rolling into the rod shape, finally put into the different diameters molds, under high...
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  • PFCC42 Laminated Rods
    PFCC42 rod, phenolic cotton cloth rod is made by impregnating cotton cloth with phenolic resin and then hot-pressed into a round cross-sectional phenolic cotton cloth rod. PFCC42 phenolic cotton...
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Why choose us?

Professional Team

Staffed by a team of highly skilled professionals, including 2 Ph.D. holders and 9 master's degree experts, the center is at the forefront of technological innovation.

Advanced Equipment

The Friend Group Testing Center is equipped with a comprehensive suite of advanced testing instruments, meeting the highest standards for insulation material testing.

Quality Control

With its unwavering dedication to research, technological advancement, and quality assurance, the Beijing Friend Group R&D Center continues to set new benchmarks in the industry, reinforcing its position as a leader in insulation materials and new material innovation.

Sales Market

Our products are now exported to dozens of countries across Asia, Europe, Africa, North and South America, and Oceania, earning widespread recognition and trust from clients worldwide.

 

 

Benefits of Laminated Rods
 

Exceptional electrical insulation properties

Laminated rodss possess outstanding electrical insulation capabilities, making them ideal for applications where electrical safety and reliability are paramount. Their high dielectric strength and low dielectric constant ensure efficient and safe electrical performance.

Excellent thermal resistance

With their ability to withstand high temperatures, laminated rods are well-suited for applications involving extreme heat exposure. Their thermal stability and low thermal conductivity make them an excellent choice for insulation and heat-resistant components.

Superior mechanical strength

The laminated structure of cotton phenolic rods contributes to their exceptional mechanical strength and durability. They can withstand high levels of stress, impact, and wear, making them suitable for applications requiring robust and long-lasting materials.

Chemical resistance

Laminated rods exhibit excellent resistance to a wide range of chemicals, including acids, alkalis, and solvents. This characteristic makes them suitable for use in harsh chemical environments, ensuring long-term performance and reliability.

Dimensional stability

Laminated rods are known for their dimensional stability, meaning they maintain their shape and size under varying environmental conditions. This property is particularly beneficial in applications where precise dimensional tolerances are essential.

Flame retardancy

Due to the inherent properties of phenolic resins, cotton phenolic laminates possess excellent flame-retardant characteristics. This feature makes them suitable for applications where fire safety is a critical concern, such as in the aerospace and construction industries.

 

Product Specifications

 

 

Dimensions (L)

1000

MM

1170

MM

Other dimensions

MM

Density

1.20-1.40

g/cm3

Flexural strength

≥90

MPa

Breakdown voltage parallel to laminations(in oil, 90±2℃)

≥5.0

kV

Insulation resistance after 24 h water immersion, D-24/23

≥1

Water absorption rate, 2 mm in thickness

≤8

Mg/cm2

Compression strength

≥80

MPa

 

 
 
Application of Laminated Rods
3841FR (FR4 Rod) Laminated Rods

Electrical insulation applications

One of the primary uses of laminated rods is in electrical insulation. Their exceptional insulating properties make them an ideal choice for fabricating electrical insulators, switchgear components, and terminal boards. In environments where electrical safety and performance are paramount, laminated rods provide reliable insulation, reducing the risk of electrical failures and enhancing the longevity of electrical systems.

3725 (PFCC41) Laminated Rods

Mechanical applications

Beyond their electrical applications, laminated rods are also employed in various mechanical contexts. Their high mechanical strength and resistance to wear and tear make them suitable for creating gears, bearings, and other components subjected to mechanical stress. These properties ensure that parts made from laminated rods can withstand rigorous use in industrial machinery without compromising performance.

3842 (G11 Rod) Laminated Rods

Applications in manufacturing jigs and fixtures

Manufacturing industries frequently utilize laminated rods for creating jigs and fixtures. The material's dimensional stability and ease of machining allow for the production of precise tools that facilitate accurate manufacturing processes. By using laminated rods for these applications, manufacturers can achieve better consistency in production outcomes, improving overall product quality.

PFCC42 Laminated Rods

Benefits in aerospace and marine industries

The aerospace and marine sectors have also found value in using laminated rods. In these industries, materials must endure extreme conditions while maintaining structural integrity. Laminated rods are used to manufacture components that can resist corrosive environments and fluctuations in temperature, critical factors in both aerospace and marine applications. Their lightweight nature also contributes to fuel efficiency, an essential consideration in these fields.

 

 

How To Cooperate With Us

 

productcate-730-443

 

 

Packaging

 

Regular packing, protected by pallet.
Depending on the requirement of buyers.

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Certifications

 

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FAQ

 

Q: What materials are commonly used to make laminated rods?

A: Common materials include wood (for example, in the case of laminated wooden rods used in construction or furniture), fiberglass, carbon fiber, and various plastics. In electrical applications, laminated rods may be made of laminated iron or other magnetic materials.

Q: How are laminated rods manufactured?

A: For laminated wooden rods, thin slices of wood (veneers) are cut and then glued together under pressure. In the case of composite laminated rods (e.g., fiberglass or carbon fiber), layers of the fiber - reinforced material are impregnated with resin and then laminated using heat and pressure to cure the resin and bond the layers.

Q: Are laminated rods suitable for outdoor use?

A: It depends on the materials used. Laminated wooden rods may require proper sealing and treatment to withstand outdoor elements like moisture and UV radiation. Fiberglass or carbon - fiber laminated rods are generally more suitable for outdoor use as they are more resistant to environmental degradation.

Q: How do you determine the strength of a laminated rod?

A: The strength can be determined through mechanical testing. Tensile tests can measure the rod's ability to withstand pulling forces, while compressive tests evaluate its resistance to being pushed together. Additionally, factors such as the type of laminating materials, the thickness and number of layers, and the quality of the bonding between layers all influence the overall strength.

Q: Can laminated rods be bent?

A: Yes, depending on the materials and the design of the lamination. Some laminated rods, especially those made with flexible materials like certain plastics or fiberglass, can be bent to a certain degree. However, the bending radius may be limited to prevent damage to the laminations.

Q: What is the cost comparison between laminated rods and solid rods?

A: In general, the cost can vary widely. Laminated wooden rods may be more cost - effective than solid hardwood rods of the same size, as they can use lower - grade or thinner layers of wood. For high - performance materials like carbon - fiber laminated rods, they can be more expensive than some solid metal rods due to the cost of the raw materials and the manufacturing process.

Q: How do you join laminated rods?

A: For laminated wooden rods, traditional wood - joining methods such as gluing, doweling, or mortise - and - tenon joints can be used. In the case of composite laminated rods, specialized adhesives may be required, and in some cases, mechanical fasteners like bolts or rivets can be used depending on the application.

Q: Are laminated rods electrically conductive?

A: If the laminating materials are conductive (such as laminated copper or laminated iron in electrical applications), then the rod can be electrically conductive. However, if the laminations are made of non - conductive materials like fiberglass or most plastics, the rod will be non - conductive.

We're professional laminated rods manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy cheap laminated rods for sale here and get free sample from our factory. For price consultation, contact us.

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