model：3020
Density：1.30-1.40 g/cm³
Phenolic Paper Laminated Sheet
Your Professional Phenolic Paper 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.
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 Paper Laminated Sheet
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.
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.
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.
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.
Moisture Resistance
Another notable advantage of phenolic paper laminated sheets is their aversion and resistance to humidity. These sheets do not absorb water, which prevents them from swelling, warping, or degrading over time. This moisture resistance makes them ideal for use in humid or wet conditions.
Versatility in Applications
Versatility is one of their most appealing features. Numerous industries can utilize them in a wide range of applications. From electrical and mechanical engineering to aerospace and automotive sectors, these sheets provide solutions to diverse engineering challenges.
Ease of Fabrication
Phenolic paper laminated sheets are also easy to manufacture, which simplifies the fabrication process. An established phenolic resin manufacturer can manufacture phenolic resins for the companies fabricating the laminated sheets. To suit specific applications, other companies may then cut, drill, or shape these sheets with standard tools, making them easy to work with.
Cost Effectiveness
Cost is always a significant consideration in engineering projects. Phenolic paper laminated sheets offer a cost-effective solution without sacrificing quality or performance. Their long life span and minimal maintenance requirements translate to lower overall costs.
Product Paramenters
|
PROPERTIES |
UNIT |
STANDARD VALUE |
|
Phenolic Laminated Sheets Density |
g/cm3 |
≥1.05 |
|
Water absorption rate D-24/23 |
% |
≤4.0 |
|
Thermo stability(24h) |
℃ |
130 |
|
Flexural strength |
MPa |
≥80 |
|
Compressive strength |
MPa |
≥45 |
|
Withstand voltage perpendicular to laminations (normal condition air, withstand voltage 5min) 2.0mm in thickness |
MV/m |
≥ 3.5 |
|
Volume Resistance Index Under normal conditions In case of humidity |
Ω.m |
≥1.0×107 ≥1.0×105 |
|
Surface Resistance Index Under normal conditions In case of humidity |
Ω |
≥1.0×108 ≥1.0×107 |
Process of Phenolic Paper Laminated Sheet
Raw Material Selection and Preparation
The manufacturing process of composite phenolic paper laminate begins with the careful selection of raw materials. High-quality paper, typically kraft paper, is chosen for its strength and durability. The phenolic resin, a thermosetting polymer, is prepared by combining phenol and formaldehyde under controlled conditions. This resin is crucial in imparting the final product with its characteristic properties.
Impregnation and Drying
The selected paper is then impregnated with the prepared phenolic resin. This process involves passing the paper through a bath of liquid resin, ensuring thorough saturation. After impregnation, the resin-soaked paper undergoes a meticulous drying process. Specialized drying ovens are used to remove excess moisture while maintaining the resin's integrity. This step is critical in achieving the optimal resin content in the final product.
Layering and Compression
Once dried, the impregnated sheets are carefully stacked in multiple layers. The number of layers and their orientation are determined based on the desired thickness and properties of the final laminate. These stacked sheets are then subjected to high pressure and temperature in hydraulic presses. This compression process causes the resin to flow and bond the layers together, resulting in a solid, uniform laminate structure.
Uses Of Phenolic Paper Laminated Sheet
Electrical industry
Phenolic laminate sheets are widely used in electrical equipment, including motors, transformers, and switchgears. They serve as essential components, such as insulating pads, insulating partitions, and insulating supports, to ensure the safe operation of the equipment.
Mechanical industry
Phenolic laminate sheet can be used to manufacture a variety of mechanical parts, such as gears, bearing cages, and wear-resistant gaskets. Due to their excellent mechanical properties and wear resistance, these materials can significantly enhance the service life of equipment.
Chemical industry
In chemical production, phenolic laminate sheet is used to manufacture corrosion-resistant pipes, valves, pump bodies, and other equipment components designed to withstand the erosion caused by chemical substances.
Automobile industry
Phenolic laminate sheets are suitable for manufacturing automotive interior parts, such as instrument panels and door panels, etc., because of their good processing performance and beautiful appearance. This material can improve the overall quality of the vehicle.
FAQ
As one of the leading phenolic paper laminated sheet suppliers in China, we warmly welcome you to wholesale high-grade phenolic paper laminated sheet made in China here from our factory. All our products are with high quality and competitive price.