Blog - JingHong

Glass Fiber Series

FR4 Board: Composition, Characteristics, and Applications

James Yang

Jun 20, 2025

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Glass Fiber Series

FR4 Materials in PCB Application and Advantages

FR4 materials have become indispensable in the world of Printed Circuit Boards (PCBs), revolutionizing the electronics industry with their exceptional properties. These fiberglass-reinforced epoxy laminates, commonly known as FR4 sheets or FR4 epoxy boards, offer a perfect balance of electrical insulation, mechanical strength, and thermal stability. In PCB applications, FR4 materials serve as the foundation for circuit designs, providing a reliable substrate for mounting components and creating intricate conductive pathways. The advantages of FR4 in PCBs are numerous, including excellent dielectric properties, low moisture absorption, and high temperature resistance. These characteristics make FR4 epoxy sheets the go-to choice for a wide range of electronic devices, from consumer electronics to aerospace applications, ensuring optimal performance and longevity in diverse operating conditions.

James Yang

Jun 20, 2025

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Phenolic Series

Phenolic Cotton Cloth Laminated Sheet Has Better Processability

Phenolic cotton cloth laminated sheet, a flexible and strong protection fabric, has picked up noteworthy consideration in different businesses due to its prevalent processability. This progressed composite fabric combines the quality of cotton cloth with the toughness of phenolic tar, coming about in a item that exceeds expectations in both execution and ease of control. The improved processability of phenolic cotton sheets stems from their interesting composition, which permits for simpler cutting, forming, and machining compared to conventional protection materials. This characteristic makes them an perfect choice for producers looking for productive generation forms without compromising on quality or electrical separator properties. The moved forward workability of phenolic cotton cloth laminated sheets not as it were streamlines fabricating but moreover opens up unused conceivable outcomes for inventive applications over differing divisions.

Caroline Jia

Jun 20, 2025

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Phenolic Series

What Are The Advantages of Phenolic Cotton Sheet?

Phenolic cotton sheets offer various points of interest in different mechanical applications, making them a prevalent choice for producers and engineers alike. These flexible materials combine the quality of phenolic tar with the adaptability of cotton, coming about in a item that exceeds expectations in warm separator, electrical separator, and mechanical quality. The essential preferences of phenolic cotton sheets incorporate their amazing warm resistance, moo warm conductivity, tall compressive quality, and surprising dimensional solidness. These properties make them perfect for utilize in electrical hardware, car components, and high-temperature situations. Moreover, phenolic cotton sheets are known for their fire-resistant properties, chemical resistance, and solidness, guaranteeing long-lasting execution in requesting conditions. Their capacity to keep up auxiliary astuteness beneath extraordinary temperatures and weights assist improves their offer over differing businesses.

Caroline Jia

Jun 20, 2025

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Glass Fiber Series

Specific Heat of FR4: Insights into Thermal Performance

When it comes to understanding the thermal performance of FR4 sheets, FR4 epoxy sheets, and FR4 epoxy boards, the specific heat capacity plays a crucial role. This property determines how much heat energy is required to raise the temperature of the material by one degree Celsius. For FR4, the specific heat capacity typically ranges from 0.6 to 1.2 J/g·K, with an average value of around 0.9 J/g·K. This moderate specific heat capacity contributes to FR4's thermal stability, making it an excellent choice for applications where consistent performance under varying temperatures is essential. Understanding this characteristic helps engineers and designers optimize their use of FR4 materials in electronic components, circuit boards, and insulation applications, ensuring optimal thermal management and overall product reliability.

James Yang

Jun 20, 2025

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Phenolic Series

What is The Use of Bakelite Sheet?

Bakelite sheet, also known as phenolic resin board or Bakelite board, is a versatile and durable material widely used in various industries for its exceptional insulating properties and mechanical strength. This thermosetting plastic, designed in the early 20th century, has gotten to be a vital component in electrical, car, and mechanical applications. Bakelite sheets and Bakelite boards offer excellent resistance to heat, electricity, and chemicals, making them ideal for manufacturing electrical components, circuit boards, and insulating parts. Their high compressive strength and dimensional stability also make them suitable for structural applications in machinery and equipment. As we delve deeper into the uses of Bakelite sheet and Bakelite board, we'll explore its unique characteristics and the diverse range of applications that have made it a cornerstone material in modern manufacturing and engineering.

Caroline Jia

Jun 19, 2025

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Glass Fiber Series

Application of 3240 Epoxy Sheet in Lithium Battery

The 3240 epoxy sheet plays a crucial role in the manufacturing and performance of lithium batteries. This high-performance material serves as an excellent insulator and structural component within battery cells. Its superior electrical insulation properties, coupled with remarkable mechanical strength and thermal stability, make it an ideal choice for battery separators and internal components. The 3240 epoxy board enhances the overall safety, efficiency, and longevity of lithium batteries by providing a reliable barrier between electrodes, preventing short circuits, and maintaining structural integrity under various operating conditions. As the demand for advanced energy storage solutions continues to grow, the application of 3240 epoxy sheet in lithium batteries remains indispensable for achieving optimal performance and safety standards in this rapidly evolving industry.

James Yang

Jun 19, 2025

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Phenolic Series

Bakelite Board Characteristics and Applications

Bakelite boards, also known as phenolic sheets, are versatile industrial materials prized for their exceptional electrical insulation properties, heat resistance, and mechanical strength. These thermosetting plastic sheets, composed of phenol-formaldehyde resin, exhibit remarkable durability and dimensional stability across a wide range of temperatures. Bakelite boards find extensive applications in electrical and electronic industries, serving as insulation panels, circuit board substrates, and high-temperature resistant components. Their low moisture absorption, excellent machinability, and resistance to chemical corrosion make them ideal for use in diverse sectors, including automotive, aerospace, and industrial manufacturing. Understanding the unique characteristics and applications of Bakelite boards is crucial for engineers, designers, and manufacturers seeking reliable and high-performance insulating materials for their projects.

Caroline Jia

Jun 19, 2025

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Glass Fiber Series

FR4 Processing Technology

FR4 Processing Technology encompasses a range of advanced manufacturing techniques used to produce high-quality FR4 sheets, FR4 epoxy sheets, and FR4 epoxy boards. These materials are essential components in the electronics industry, known for their exceptional electrical insulation properties and mechanical strength. The processing of FR4 involves carefully controlled layering of glass fiber reinforcement and epoxy resin, followed by precise curing and finishing steps. This technology allows for the creation of versatile substrates that meet the demanding requirements of modern electronic applications, from printed circuit boards to aerospace components. Understanding FR4 processing is crucial for manufacturers and engineers seeking to optimize their product performance and reliability in a wide array of electronic devices and systems.

James Yang

Jun 19, 2025

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