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Epoxy Glass Laminated Sheets

Beijing Friend Group: Your Professional Epoxy Glass Laminated Sheets 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.

 

 
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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 Epoxy Glass Laminated Sheets
 
 
 

Superior insulation properties

 

One of the key benefits of epoxy glass fabric laminated sheets is their superior insulation properties. These sheets have a high dielectric strength, allowing them to withstand high voltages without electrical breakdown. Additionally, they have low moisture absorption, ensuring stable insulation performance even in humid environments.

 
 

High mechanical strength and durability

Epoxy glass fabric laminated sheets exhibit exceptional mechanical strength, making them ideal for demanding electrical applications. They have excellent flexural and tensile strength, ensuring resistance against mechanical stress and impact. These sheets also have good dimensional stability, maintaining their shape and structural integrity over time.

 
 

Thermal resistance and heat dissipation

In electrical engineering, heat dissipation is crucial to ensure the reliability and longevity of electrical components. Epoxy glass fabric laminated sheets have excellent thermal resistance, allowing them to withstand high temperatures without deformation or degradation. Moreover, these sheets have good heat conductivity, efficiently dissipating heat generated by electrical devices.

 
 

Chemical resistance and environmental protection

Epoxy glass fabric laminated sheets offer remarkable chemical resistance, protecting electrical systems from corrosive substances and environmental factors. They are resistant to a wide range of chemicals, including acids, bases, and solvents. Additionally, these sheets provide excellent resistance to moisture, UV radiation, and aging, enhancing the durability and lifespan of electrical components.v

 

 

Product Specifications

 

 

Dimensions (LxW)

1020*1220

MM

1020*2040

MM

1220*2470

MM

Density

1.70-2.10

g/cm3

Electric strength perpendicular to laminations (in oil, 90±2℃), 2 mm in thickness

≥14.2

kV/mm

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

≥45

kV

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

≥5.0×1010

Ω

Water absorption rate, 1 mm in thickness

≤0.50

%

1 MHz dielectric constant

≤5.50

-

1 MHz dielectric loss factor

≤0.040

-

Flammability

V-0

Class

 

 
 
Application of Epoxy Glass Laminated Sheets
F881 (FR4) (UL Certification) Epoxy Glass Fabric Laminated Sheets

Electrical & electronics

Used extensively in the manufacturing of circuit boards, connectors, and insulators, epoxy glass laminate is the backbone of modern electronic devices.

3240 Epoxy Glass Fabric Laminated Sheets

Aerospace & defense

The lightweight yet strong properties make it suitable for aircraft components and systems that demand reliability and durability.

F881NH (EPGC310) (UL Certification) Epoxy Glass Fabric Laminated Sheets

Automotive industry

Components such as electrical housings and control panels in vehicles benefit significantly from the strength and resistance properties of epoxy glass laminate.

F883 (FR5) Epoxy Glass Fabric Laminated Sheets

Marine applications

Its resistance to moisture and corrosion makes it an excellent choice for marine hardware, structural parts, and electrical assemblies in boats.

 

 

How To Cooperate With Us

 

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Packaging

 

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

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Certifications

 

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FAQ

 

Q: What are the main components of epoxy glass laminated sheets?

A: The main components are glass fabric (which provides mechanical strength and reinforcement) and epoxy resin (which binds the glass fabric together and imparts other properties such as electrical insulation).

Q: What are the typical thicknesses available for epoxy glass laminated sheets?

A: Thicknesses can range from 0.1 mm to several millimeters. Commonly available thicknesses include 0.5 mm, 1.0 mm, 1.5 mm, 2.0 mm, etc.

Q: How are epoxy glass laminated sheets manufactured?

A: First, the glass fabric is impregnated with liquid epoxy resin. Then, the resin - impregnated fabric is stacked in layers (if required) and placed in a mold. It is then cured under heat and pressure in a press or an autoclave to form the final laminated sheet.

Q: What is the tensile strength of epoxy glass laminated sheets?

A: The tensile strength can vary depending on the specific formulation and manufacturing process. Generally, it can range from 200 - 500 MPa.

Q: What is the density of epoxy glass laminated sheets?

A: The density usually ranges from 1.8 - 2.0 g/cm³.

Q: What is the coefficient of thermal expansion of epoxy glass laminated sheets?

A: The coefficient of thermal expansion is relatively low, typically in the range of 10 - 30 x 10 - 6 /°C.

Q: Are epoxy glass laminated sheets good electrical insulators?

A: Yes, they are excellent electrical insulators. Their dielectric strength can be quite high, often in the range of 10 - 30 kV/mm.

Q: What is the dielectric constant of epoxy glass laminated sheets?

A: The dielectric constant is usually in the range of 3 - 5 depending on the specific formulation.

Q: Where are epoxy glass laminated sheets commonly used?

A: They are commonly used in electrical and electronics industries for printed circuit boards (PCBs), insulating components in motors and transformers. They are also used in aerospace for structural components and in the construction of molds.

Q: Can epoxy glass laminated sheets be used in high - temperature applications?

A: Some specialized epoxy glass laminated sheets can be used in moderately high - temperature applications up to around 150 - 200°C. For higher temperatures, other materials may be more suitable.

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

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