China manufacturer Good Quality Insulation 3240 Fiber Glass Epoxy Laminate Plate with Best Sales

Product Description

Epoxy Glass Cloth Laminate Sheet



FR-4 is created from alkali-free glass cloth that has been impregnated with epoxy resin by hot processing, It has high mechanical and electrical properties, good heat resistance and humidity resistance, so it is widely used in mechanical, electronic and electrical equipment as components of insulation parts.

sizes: 1571 X 1220mm/1220 X 2040mm / 1230X2470mm



  • Very low hygrometric susceptibility
  • Workable while cold up to 3mm.
  • Good dielectric properties
  • Higher mechanical properties when cold
  • Small losses at high frequency
  • High resistance to flame ( V-0 )



  • Sensitive electronic equipment.
  • Circuit Board manufacturing.
  • Relays and Switches.
  • Communication systems.
  • Insulators for electrical equipment and appliances.


Thermic endurance in transformer oil for 4 hours IEC 6 0571 -2-7.1 130ºC ( B)
Martin’s Temp.
( perpendicular )
200ºC min.
Specific weight 20ºC IEC 6 0571 -2 1.80 – 2.0 g/cm3
Water absorption 24 h IEC 6 0571 -2-8.2 1.0 mm – 18 mg
Flexural strength
( perpendicular )
23 ± 2ºC IEC 6 0571 -2-5.1 340 MPa min.
155ºC 170 MPa min.
Charpy impact strength
( parallel )
23 ± 2ºC IEC 6 0571 -2-5.4.2 33 KJ/m2 min.
Izod impact strength
( parallel )
23 ± 2ºC IEC 6 0571 -2-5.4.3 34 KJ/m2 min.
Electric strength
( perpendicular )
in transformer oil at 90 ± 2ºC IEC 6 0571 -2-6.1 ≤3.0 mm  10.2KV/mm min.
Break down voltage
( parallel )
in transformer oil at 90 ± 2ºC IEC 6 0571 -2-6.1 > 3.0mm  35 KV min.
Insulating resistances
After immersion in water
23 ± 2ºC IEC 6 0571 -2-6.3 5.0 X 108W min.
Flammability UL94 IEC 6 0571 -2-7.2 V-0

Q: Are you trading company or manufacturer ?
A: Both

Q: How long is your delivery time?
A: Generally it is 3-5 days if the goods are in stock. or it is 5–15days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ?is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ? A: Payment=2000USD, 30% T/T in advance ,balance before shipment.
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Application: Insulators, Electrical Base, Shell, Motor, Switch Baseplate
Type: Insulation Sheet
Chemistry: Inorganic Insulation

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

motor base

Can motor base plates be used with both AC and DC electric motors?

Yes, motor base plates can be used with both AC and DC electric motors. The motor base plate serves as a mounting surface for the motor and provides a stable foundation for its installation. It is a structural component that is generally designed to accommodate various motor types, including both AC and DC motors. Here’s how motor base plates can be used with AC and DC electric motors:

1. AC Electric Motors:

AC electric motors, which include induction motors and synchronous motors, can be mounted on motor base plates. The base plate provides a flat and rigid surface on which the motor can be securely attached. The mounting arrangement typically involves aligning the motor’s mounting holes with the corresponding holes on the base plate and securing the motor in place using appropriate fasteners. The base plate ensures that the motor is properly supported and aligned, enabling efficient power transmission and minimizing vibrations.

2. DC Electric Motors:

Similar to AC motors, DC electric motors can also be mounted on motor base plates. DC motors, which include brushed and brushless DC motors, require a sturdy and level base for installation. The base plate provides the necessary stability and support for the motor. The mounting process involves aligning the motor’s mounting holes with those on the base plate and fastening the motor securely. By using a motor base plate, the DC motor can be securely mounted, allowing for smooth and reliable operation.

The design and specifications of motor base plates may vary depending on the motor size, mounting requirements, and specific application needs. However, the fundamental purpose of the base plate remains the same: to provide a solid and secure platform for mounting the motor, regardless of whether it is an AC or DC motor.

It’s important to note that while the motor base plate can be used with both AC and DC electric motors, there may be certain design considerations or additional components required depending on the specific motor type. For example, AC motors may require additional provisions for cooling or ventilation, while DC motors may need appropriate connections for power input and control signals.

In summary, motor base plates are versatile and can be used with both AC and DC electric motors. They provide a stable mounting surface, ensuring proper alignment and support for the motor. By using motor base plates, manufacturers and users can simplify the installation process and ensure reliable operation of AC and DC electric motors in a wide range of applications.

motor base

How does the selection of a motor base plate impact the overall performance of the motor?

The selection of a motor base plate can have a significant impact on the overall performance of the motor. The base plate plays a crucial role in providing support, stability, and proper alignment for the motor, which directly affects its performance in several ways.

1. Vibration and Noise: A well-chosen motor base plate helps reduce vibration and noise generated during motor operation. By providing a stable and rigid platform, the base plate minimizes vibrations and prevents excessive noise transmission. It may incorporate vibration isolation features or acoustic insulation materials that further dampen vibrations and reduce noise levels, resulting in a quieter and smoother operation.

2. Alignment: Proper alignment of the motor is essential for optimal performance. The base plate ensures accurate alignment by providing a reference surface and mounting points that are designed to match the motor’s specifications. Correct alignment helps prevent mechanical issues such as shaft misalignment, which can lead to increased wear, decreased efficiency, and premature failure of bearings and other motor components.

3. Heat Dissipation: Motors generate heat during operation, and efficient heat dissipation is crucial for maintaining optimal performance and prolonging the motor’s lifespan. The motor base plate, often made of materials with good thermal conductivity, acts as a heat sink, dissipating heat away from the motor and promoting better cooling. Adequate heat dissipation helps prevent overheating, which can degrade motor performance and reduce its operating efficiency.

4. Structural Integrity: The base plate provides structural support for the motor, ensuring its stability and integrity. A properly selected base plate with sufficient strength and rigidity helps prevent excessive vibrations, mechanical resonance, and structural deformations. It ensures that the motor operates within its design limits, minimizing the risk of damage and maximizing its performance and reliability.

5. Installation Flexibility: The selection of a suitable motor base plate allows for proper installation of the motor in different orientations or mounting configurations. Some base plates are designed specifically for horizontal installations, while others accommodate vertical or customized orientations. Choosing the right base plate ensures that the motor is securely and correctly mounted, which contributes to its overall performance and safe operation.

Overall, the selection of a motor base plate directly impacts the motor’s performance by influencing vibration and noise levels, alignment accuracy, heat dissipation, structural integrity, and installation flexibility. It is important to consider the specific requirements of the motor and its intended application when choosing a base plate to optimize the motor’s overall performance and longevity.

motor base

How does a motor base plate contribute to the stability and alignment of electric motors?

A motor base plate plays a crucial role in ensuring the stability and alignment of electric motors. Here’s a detailed explanation:

1. Stability: The motor base plate provides a stable foundation for the motor. It is typically made of a rigid material such as steel or cast iron, which helps minimize vibrations and movement. By securely mounting the motor to the base plate, it prevents unintended motor displacement during operation, ensuring that the motor remains in its intended position. This stability is essential to maintain consistent motor performance, prevent damage to the motor or driven equipment, and ensure worker safety.

2. Alignment: Proper alignment is critical for the efficient and reliable operation of electric motors. The motor base plate incorporates features that facilitate precise alignment between the motor and the driven equipment. These features may include adjustable mounting slots, bolt-hole patterns, or alignment guides. By using these alignment aids, technicians can fine-tune the position of the motor on the base plate, ensuring that the motor shaft aligns accurately with the driven equipment’s shaft. This alignment minimizes mechanical stress, reduces energy losses, and enhances the motor’s overall performance and longevity.

3. Vibration Dampening: Electric motors can generate vibrations during operation, which, if left unchecked, can adversely affect the motor’s performance and surrounding equipment. The motor base plate acts as a vibration dampening component by absorbing and dissipating a significant portion of the motor’s vibrations. The rigid construction of the base plate helps minimize the transmission of vibrations to the surrounding structure, reducing noise levels, preventing structural damage, and improving overall system reliability.

4. Structural Integrity: The motor base plate adds structural integrity to the motor installation. It provides additional support and rigidity, ensuring that the motor remains securely attached to the base plate and the mounting surface. This structural integrity is particularly important in industrial environments where machinery may be subjected to dynamic forces, such as vibrations or impacts. The base plate’s stability and strength help maintain the motor’s position and prevent any shifting or movement that could lead to misalignment or mechanical failure.

By contributing to stability and alignment, motor base plates play a critical role in optimizing motor performance, reducing wear and tear, preventing premature failures, and maximizing energy efficiency. They provide a solid foundation for electric motors, ensuring they operate reliably and efficiently in various industrial applications.

China manufacturer Good Quality Insulation 3240 Fiber Glass Epoxy Laminate Plate   with Best Sales China manufacturer Good Quality Insulation 3240 Fiber Glass Epoxy Laminate Plate   with Best Sales
editor by CX 2024-05-15