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3240 Epoxy Sheet

3240 epoxy glass fiber laminated sheet is made of non alkali fiberglass cloth and epoxy resin and phenolic resin. It has strong mechanical strength at medium temperature and stable dielectric property at high humidity.

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Description of 3240 Epoxy Sheet

3240 epoxy sheet is made of non alkali fiberglass cloth for electrical purposes impregnated with epoxy resin and phenolic resin under heat and hot pressing with excellent dielectric property and mechanical property, good heat and moisture resistance, strong mechanical processing property. It has high mechanical strength at medium temperature and stable dielectric performance at high humidity. The insulation class is B class.

Application of 3240 Epoxy Sheet

Suitable for electrical, electronic, motor and mechanical industries and other industries. It can be processed into various insulation accessories and insulation structural parts of equipments, and can be used in humid environment and transformer oil.

Thickness: 0.5~50mm under normal, and thick board with 50~150mm is available as required.The density of the sheet is approximately 2.1 g/cm³.

3240 Epoxy Sheet

The 3240 Epoxy Sheet is available in a variety of colors. 

Natural color (Yellow)
Red
Green
Black
Additional colors can be added and mixed into multiple colors. 

3240 Epoxy Sheet Properties

Electrical Properties:
 
High Dielectric Strength: The 3240 Epoxy Sheet exhibits high dielectric strength, making it ideal for use in high-voltage applications.
Low Dielectric Constant: It has a low dielectric constant, which minimizes energy loss and enhances the efficiency of electrical systems.
Resistance to Electrical Tracking: The sheets possess excellent resistance to electrical tracking, ensuring long-term reliability and safety in electrical applications.
Mechanical Properties:High Tensile Strength: The sheets exhibit high tensile strength, making them resistant to deformation and breakage under mechanical stress.
Thermal Properties:High Thermal Conductivity: The 3240 Epoxy Sheets possess high thermal conductivity, which allows them to efficiently dissipate heat generated during operation.
Density: The density of the sheet is approximately 2.1 g/cm³.
Water Absorption: The water absorption of the material is 22 mg.

The 3240 Epoxy Sheet is available in a variety of sizes.

Here are some of the standard sizes:
 
Thickness: 0.5–2mm, Width/Length: 1020mm x 2020mm
Thickness: 3–70mm, Width/Length: 1020mm x 2020mm
Thickness: 75–180mm, Width/Length: 1020mm x 2020mm
Other sizes, colors can be customized. The thickness can range from 0.5mm to 50mm under normal conditions, and thick boards with 50mm to 150mm are also available as required.
 
Please note that the specific sizes can vary depending on the manufacturer and the specific requirements of the application. 

Advantage of 3240 Epoxy Sheet

3240 epoxy sheet, produced by ZTelec Group using non alkali fiberglass cloth for electrical purposes, epoxy resin and phenolic resin as raw materials, can be mass-produced with advanced production equipment and automatic production line. This product has the advantages of reliable quality, smooth surface, neat cutting edge, uniform color and small thickness tolerance with strict manufacturing technology. The mechanical and electrical properties of products are superior to the similar one of other companies. Its quality is recognized by domestic and foreign large enterprises such as Lens Technology in China and Schneider Electric and sold overseas such as European and American areas.

What are the advantages of phenolic laminates?

 
Electrical Insulation: They provide excellent electrical insulation properties, making them ideal for use in electrical applications such as circuit boards.
Mechanical Strength: Phenolic laminates have greater tensile and compressive strengths compared to molded PF products, which means they can handle more stress and strain without breaking.
Low Water Absorption: Their low water absorption rate ensures that they maintain their integrity and performance even in moist environments.
Heat Resistance: These materials are resistant to heat, which allows them to be used in applications that involve high temperatures.
Chemical Resistance: They are resistant to various chemicals, providing durability in environments where chemical exposure is a concern.
Low Thermal Conductivity: This property makes phenolic laminates effective insulators, helping to prevent heat transfer.
Low Friction Coefficient: The low friction coefficient of phenolic laminates makes them suitable for use in parts that experience movement, such as gears.
Impact Resistance: Cloth-based phenolic laminates are particularly impact-resistant, which is beneficial for parts that might experience sudden forces or shocks.
Machinability: Phenolic laminates can be easily machined into different shapes and sizes, offering flexibility in design and application.
These properties contribute to the versatility of phenolic laminates, allowing them to be used in a wide range of industries, from automotive and aerospace to consumer goods and construction materials. 

Application of 3240 Epoxy Fiberglass Cloth Laminated Board

Suitable for electrical, electronic, motor and mechanical industries, lithium battery packaging and other industries. It can be processed into various insulation accessories and insulation structural parts of equipments, and can be used in humid environment and transformer oil.

3240 Epoxy Fiberglass Cloth Laminated Board

Parameter of 3240 Epoxy Fiberglass Cloth Laminated Board 

3240 Epoxy Sheet  Safety Data Sheet

The Safety Data Sheet (SDS) for the 3240 Epoxy Sheet provides important information about its composition, hazards, handling, and storage. Here are some key points from the SDS:
 
Product Names: Phenolic(Epoxy) Glass Cloth laminated sheets tubes & rods - Grade refs. 3240, G10, G11, 3640 and 3840.
General Description: Synthetic resin bonded laminated material in sheet, tube and rod format.
Intended Uses: Engineering and electrical insulation applications.
Chemical Composition: Fiberglass cloth substrate bonded with fully cured / cross-linked Epoxy-phenolic resin.
Physical Properties: Solid state, stable under normal conditions of use or storage, insoluble in water, density of 1.75– 1.85g/cm3.
Hazardous Constituents: None.
Occupational Exposure Limits: Materials as supplied are not subject to occupational exposure limits.
Fire and Explosive Hazards: These materials in the solid state are resistant to burning under normal conditions of storage and use.
Handling and Use Precautions: Care should be taken when handling sheets to prevent injury caused by sharp edges. Avoid inhalation of dust and protect eyes during machining and cutting operations.
Storage and Transport Precautions: Materials have a density of 1.75 to 1.85 and consequently full size sheets in excess of 7mm will exceed 25kg in weight.
Emergency Action: Extinguish fire with water, foam or CO2. For significant inhalation of dust or smoke, consult a doctor.
Please note that this is a summary and the specific details can vary depending on the manufacturer and the specific requirements of the application. Always refer to the specific Safety Data Sheet provided by the manufacturer for the most accurate and up-to-date information. 

Executive Standard: GB-T 1303.2-2009 - IEC60893.2-2003

Number Item Unit Value
1 Density g/cm3 2.1
2 Water Absorption mg 22
3 vertical layer bending strength (normal state) 150℃13℃ MPa ≥340
Vertical layer compression strength
Parellel layer cutting strength ≥30
4 ParellelImpact Strength at Parallel Lamination(Simple Supported Beam) KJ/m2 ≥33
5 Dielectric Strength at Perpendicular Lamination(Transformer Oil at 90℃) KV/mm ≥10.2
6 Breakdown Voltage at Parallel Lamination KV ≥35
(Transformer Oil at 90℃)
7 Dielectric Constant(50Hz) - ≤5.5
8 Dielectric Loss Factor(50Hz) - ≤0.04
9 Insulation Resistance after Immersion Ω ≥5.0×104
10 Thermal Index 130
11 Tracking Resistance Index(PTI) - ≥200
 

Where to find phenolic insulation

Made-in-China lists multiple manufacturers and suppliers of phenolic foam insulation, offering a range of products and services.
ztelecgroup Company fabricates phenolic foam insulation in various shapes and sizes, including pipe insulation, curved segments, sheets, tank and vessel coverings.
If you’re looking for specific product details or need assistance with procurement, Please feel free to contact us.
 

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