Laminated Rods
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.
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EPGC41 (G10 Rod) Laminated RodsEPGC41, 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...read more
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L class Laminated RodsL 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...read more
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NEMA CE Laminated RodsNEMA CE laminated rod is made of cotton soaked with phenolic resin and hot pressed by mold.read more
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C Phenolic Cotton Laminated RodsC 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...read more
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FR4 Rod 3841FR Epoxy Glass Laminated Rods3841FR, 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,...read more
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3725 (PFCC41 phenolic cotton) Laminated Rods3725, 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...read more
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3842 (G11 Rod) Laminated Rods3842, 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...read more
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PFCC42 Laminated RodsPFCC42 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...read more
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 |
MΩ |
|
Water absorption rate, 2 mm in thickness |
≤8 |
Mg/cm2 |
|
Compression strength |
≥80 |
MPa |
Application of 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.

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.

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.

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

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




Certifications




FAQ
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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