Phenolic Cotton Cloth Laminated Sheet
Your Professional Phenolic Cotton Cloth Laminated Sheet Supplier
Hangzhou Weshare Import & Export Co.,Ltd. is a leading Chinese manufacturer and exporter of transformer components, electrical insulation materials and consulting company. Weshare founded in 2005 by one specialized sales in transformer accessories. Most of our products are used in oil and dry transformers, electrical motors, generators and electronic products.Our mission is to ensure appropriate product quality while satisfying the needs of our customers is our prime objective and represents the core principle of our business activities.
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Phenolic Cotton Fabric Laminate Sheeta hard insulating material made of cotton cloth impregnated with phenolic resin and laminated under high temperature and high pressure, with excellent mechanical strength, heat resistance and...read more
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Cotton Phenolic LaminateCotton Phenolic Laminate is a hard insulating material made from cotton cloth impregnated with phenolic resin and laminated under high temperature and pressure. It has excellent mechanical...read more
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Phenolic Cotton Laminated Sheetmodel:3025read more
Density:1.30-1.40 g/cm³
We offer various types of insulation materials!
Why Choose Us
Quality Assurance
Certified by UL, SGS, and ISO9001, Weshare upholds stringent quality standards.
Extensive Experience
Weshare, since 2005, excels in transformer accessories and electrical engineering.
Export markets
With a strong focus on export markets, we have successfully captured significant market share in East Asia, North Europe, the Middle East, South America, Egypt, and East Africa. Our dedication to ensuring appropriate product quality while meeting customer needs is the cornerstone of our business philosophy.
Product Application
Our company boasts a wide array of products used in oil and dry transformers, electrical motors, generators, and electronic devices.
Advantages of Phenolic Cotton Cloth Laminated Sheet

Enhanced Safety
Phenolic cotton cloth laminated sheets provide a reliable insulation barrier, minimizing the risk of electric shocks, fires, and other electrical hazards. Their excellent electrical and thermal insulation properties ensure the safety of both electrical equipment and personnel.
Versatility
Phenolic cotton cloth laminated sheets can be easily machined and fabricated into various shapes and sizes, making them suitable for a wide range of electrical applications. From insulating bushings and terminal boards to switchgears and control panels, these sheets offer versatility in design and functionality.


Cost-Effectiveness
Compared to other materials used in electrical insulation, phenolic cotton cloth laminated sheets provide a cost-effective solution without compromising on performance and reliability. Their durability and long service life contribute to reduced maintenance and replacement costs.
Environmental Friendly
Phenolic cotton cloth laminated sheets are manufactured using renewable and sustainable resources. The phenolic resin used in their production is derived from plant-based materials, making them eco-friendly alternatives to synthetic materials.

Product Description
|
Properties |
UNITS |
STARND VALUE |
|
Flexural Strength Perpendicular to Laminations ≥ |
Mpa |
100 |
|
Bonding strength (≥ 10mm in thickness) |
N |
--- |
|
Impact strength parallel to laminations (Charpy) ≥ |
KJ/ m2 |
8.8 |
|
Insulation resistance after immersion in water (D-24/23) ≥ |
Ω |
1 x 106 |
|
Dielectric strength perpendicular to laminations(in 90±2℃ transformer oil, 1 mm in thickness) ≥ |
MV/m |
0.82 |
|
Breakcown voltage parallel to laminations (in 90±2℃ transformer oil) ≥ |
kV |
1 |
|
Permittivity(48-62Hz) ≤ |
--- |
--- |
|
Density |
g/c m3 |
(1.30-1.40) |
|
Water absorption(D-24/23,1.6mm in thickness) ≤ |
mg |
220 |
|
Color |
--- |
Natural |
|
Reference standard |
--- |
JB/T8149.2-2000 |
Types of Phenolic Cotton Cloth Laminated Sheet
Standard Phenolic Laminates
Standard phenolic laminate sheets are widely applied, commonly made from cellulose paper or cotton. These sheets are made-it-to-have good mechanical strength and chemical resistance for basic use. The sheets are widely used in the electrical, construction, and automotive industries.
Electrical Phenolic Laminates
Electrical phenolic laminates, targeted at electrical components' insulation and protection, have low electrical conductivity. These phenolic sheets are vital in manufacturing circuit boards, insulators, and electrical housings. These components need effective insulation. The electrical-grade phenolic provides stability and dielectric strength.
High-Temperature Phenolic Laminates
High-temperature phenolic laminates demonstrate superior performance in elevated temperatures. These laminates also show good resistance to heat and chemicals. These properties make them ideal for use in areas like aerospace, automotive, and energy production. In these places, components are exposed to extreme environments. Moreover, the high-temperature laminates maintain their structural integrity under stress.
Machinable Phenolic Laminates
Machinable phenolic laminate sheets are ideal for precision engineering applications requiring intricate shapes and tight tolerances. These sheets are predominantly employed in the manufacture of surgical equipment, tooling, and precision parts. The machinability of these laminates allows for fine detailing without significant wear on cutting tools.
Marine Phenolic Laminates
Marine phenolic laminates, noted for their exceptional water and chemical resistance, suit marine and moisture-rich environments. The phenolic sheets also demonstrate durability in shipbuilding, boating, and underwater equipment manufacture. Additionally, the water-resistant properties protect components in constant contact with water. This ensures longevity in outdoor and maritime applications.
Electrical Insulation: The primary purpose of phenolic cotton cloth laminated sheets is to provide reliable electrical insulation. With excellent dielectric strength and low electrical conductivity, these sheets prevent the flow of electric current, reducing the risk of short circuits and electrical breakdowns.
Mechanical Strength: Phenolic cotton cloth laminated sheets exhibit high mechanical strength, making them resistant to bending, impact, and compression. This property ensures the durability and longevity of electrical components even in demanding environments.
Thermal Resistance
Thermal stability is crucial in electrical applications, particularly when components are exposed to high temperatures. Phenolic cotton cloth laminated sheets offer excellent heat resistance, allowing them to withstand elevated temperatures without deforming or losing their electrical insulation properties.
Chemical Resistance
Phenolic cotton cloth laminated sheets demonstrate remarkable resistance to various chemicals, including oils, solvents, and acids. This property makes them suitable for use in applications where exposure to corrosive substances is expected.
Dimensional Stability
With low water absorption and minimal moisture expansion, phenolic cotton cloth laminated sheets maintain their dimensional stability even under humid conditions. This property ensures consistent performance and accurate fitting of electrical components.

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.
FAQ
As one of the leading phenolic cotton cloth laminated sheet suppliers in China, we warmly welcome you to wholesale high-grade phenolic cotton cloth laminated sheet made in China here from our factory. All our products are with high quality and competitive price.
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