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Phenolic Cotton Laminated Sheets

Beijing Friend Group: Your Professional Phenolic Cotton 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.

 

 
 
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 Phenolic Cotton Laminated Sheets
PFCP206 (XXP) Phenolic Paper Laminated Sheets

Durability and strength

One of the primary benefits of phenolic paper laminated sheets is their exceptional durability and strength. These sheets can withstand significant mechanical stress without deforming or breaking. This makes them ideal for use in environments where high strength is essential, such as in electrical insulation and mechanical components.

PFCP207 (XPC) Phenolic Paper Laminated Sheets

Electrical insulation properties

Phenolic paper laminated sheets have an industry reputation for their excellent electrical insulation properties. This is particularly important in industries where electrical safety and performance are vital, and where employee safety is at a greater risk. These sheets can effectively prevent electrical currents from passing through, reducing the likelihood of short circuits and electrical fires.

PFCP308 (FR-1) Phenolic Paper Laminated Sheets

Temperature resistance

In addition to their electrical insulation capabilities, one of the other benefits of phenolic paper laminated sheets is that they exhibit impressive temperature resistance. They can withstand both high and low temperatures without compromising their structural integrity or performance. This makes them suitable for use in environments exposed to extreme temperature variations.

UPGM202 (GPO-2) Polyester Glass Mat Products

Chemical resistance

Phenolic paper laminated sheets are highly resistant to chemicals, including acids, alkalis, and solvents. This resistance is beneficial in industries where exposure to harsh chemicals is common. Materials that can deteriorate when exposed to chemicals can lead to failures and safety hazards.

 

Product Specifications

 

 

Dimensions (LxW)

1020*1220

MM

1020*2040

MM

1220*2470

MM

Density

1.30-1.40

g/cm3

Flexural strength perpendicular to laminations, room temperature

≥ 100

MPa

Charpy notched impact strength parallel to laminations

≥ 8.8

kJ/m3

Water absorption rate, 2 mm in thickness

≤ 229

mg

Electric strength perpendicular to laminations (in oil, 90±2℃), 1 mm in thickness

≥ 0.82

kV/mm

 

Application of Phenolic Cotton Laminated Sheets
 

Electrical Switchboards
These sheets are widely employed in the manufacturing of electrical switchboards and control panels. Their excellent insulation properties provide a safe and reliable environment for electrical components.

 

Transformers And Motor Insulation
Phenolic cotton cloth laminated sheets are utilized as insulation material for transformers and electric motors. They protect the windings and prevent electrical leakage, ensuring efficient and trouble-free operation.

 

Circuit Breakers And Fuse Holders
The superior electrical insulation and resistance to high temperatures make phenolic cotton cloth laminated sheets suitable for circuit breakers and fuse holders. They offer protection against overcurrent and short circuits.

 

Terminal Boards And Busbars
These laminated sheets are used in terminal boards and busbars to provide insulation and support. Their mechanical strength and dimensional stability ensure secure connections and efficient power transmission.

 

Electrical Appliances
Phenolic cotton cloth laminated sheets are utilized in various electrical appliances such as hairdryers, toasters, and electric irons. They provide electrical insulation, heat resistance, and mechanical support, ensuring safe and reliable operation.

 

 

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: How are phenolic cotton laminated sheets manufactured?

A: First, the cotton fabric is immersed in liquid phenolic resin to ensure thorough impregnation. Then, multiple layers of the resin - impregnated cotton fabric are stacked together. This stack is then placed in a mold and subjected to heat and pressure in a curing process. The heat and pressure cause the phenolic resin to polymerize and bond the cotton fabric layers firmly together, forming the laminated sheet.

Q: What are the main characteristics of phenolic cotton laminated sheets?

A: They have good mechanical strength, especially in terms of compressive and flexural strength. They are also known for their excellent electrical insulation properties, resistance to heat, and good chemical resistance to a variety of substances. Additionally, they have a certain degree of wear resistance.

Q: What are the typical colors of phenolic cotton laminated sheets?

A: They are usually brown or black. The color is mainly determined by the phenolic resin used and any additives or pigments in the formulation.

Q: What is the density of phenolic cotton laminated sheets?

A: The density typically ranges from 1.3 - 1.4 g/cm³. This density is influenced by the proportion of cotton fabric and phenolic resin, as well as the degree of compaction during the manufacturing process.

Q: What is the tensile strength of phenolic cotton laminated sheets?

A: The tensile strength can vary depending on the specific formulation and manufacturing parameters. Generally, it is in the range of 50 - 150 MPa. The cotton fabric orientation and quality, as well as the resin - fabric bond, play important roles in determining the tensile strength.

Q: Are phenolic cotton laminated sheets good electrical insulators?

A: Yes, they are very good electrical insulators. Their dielectric strength can be in the range of 10 - 20 kV/mm, depending on the quality and thickness of the sheet. This makes them suitable for use in electrical components and insulation applications.

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

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