Blog - JingHong

Glass Fiber Series

FR4 Epoxy Sheet in PCB Applications And Requirements

FR4 epoxy sheet, also known as FR4 epoxy board, is a crucial component in the world of printed circuit boards (PCBs). This versatile material serves as the foundation for countless electronic devices, offering exceptional electrical insulation properties and mechanical strength. In PCB applications, FR4 epoxy sheets provide a stable substrate for mounting components and creating intricate circuit patterns. The requirements for FR4 epoxy sheets in PCB manufacturing are stringent, encompassing factors such as dielectric strength, flame resistance, and dimensional stability. As technology advances, the demand for high-performance FR4 epoxy sheets continues to grow, driving innovations in material composition and manufacturing processes to meet the evolving needs of the electronics industry.

James Yang

Jun 30, 2025

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Glass Fiber Series

How to Identify the Quality of G10 Epoxy Fiberglass Sheet?

Identifying the quality of G10 epoxy fiberglass sheet requires a multifaceted approach. Start by examining the sheet's physical properties, including its thickness, color consistency, and surface smoothness. High-quality G10 epoxy sheet should have a uniform thickness and color throughout, with a smooth, defect-free surface. Next, assess its mechanical properties through tests like flexural strength, tensile strength, and impact resistance. Superior G10 material will exhibit excellent performance in these areas. Additionally, evaluate its electrical insulation capabilities and thermal resistance. Quality G10 epoxy fiberglass sheet should maintain its properties under various temperatures and electrical stresses. Lastly, consider the manufacturer's reputation and certifications, as these often indicate adherence to industry standards and quality control measures.

James Yang

Jun 30, 2025

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Glass Fiber Series

Application of G10 Materials in New Energy Vehicles

James Yang

Jun 27, 2025

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Glass Fiber Series

The Operating Temperature Range of FR4 Fiber Glass Boards

FR4 fiberglass boards are renowned for their exceptional thermal properties, making them a cornerstone in various electronic applications. The operating temperature range of FR4 fiber glass boards typically spans from -50°C to +130°C (-58°F to +266°F). This wide range allows for remarkable versatility in different environments. The glass transition temperature (Tg) of standard FR4 is around 130°C to 140°C, which marks the point where the material begins to soften and lose its rigidity. For applications requiring higher temperature resistance, specialized high-Tg FR4 variants are available, offering glass transition temperatures up to 170°C or even higher. Understanding these thermal characteristics is crucial for engineers and designers to ensure optimal performance and longevity of electronic components in diverse operating conditions.

James Yang

Jun 27, 2025

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Glass Fiber Series

3240 Epoxy Sheet: Features, Applications, and Advantages

3240 epoxy sheet, too known as 3240 epoxy board, is a high-performance protection fabric that has picked up noteworthy footing in different businesses. This flexible item brags remarkable electrical separator properties, surprising mechanical quality, and exceptional warm resistance. Fabricated utilizing progressed epoxy tar frameworks and glass texture support, 3240 epoxy sheets offer a one of a kind combination of strength, unwavering quality, and dimensional soundness. These sheets are widely utilized in electrical and electronic applications, aerospace components, and industrial machinery, where high-quality insulation and structural integrity are paramount. The numerous advantages of 3240 epoxy sheets, including their excellent machinability, low moisture absorption, and resistance to chemicals, make them an indispensable material for engineers and manufacturers seeking superior insulation solutions.

James Yang

Jun 27, 2025

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Glass Fiber Series

FR4 Material Applications in the Electrical Industry

FR4 material, a versatile and robust composite, plays a pivotal role in the electrical industry. This flame-retardant epoxy resin reinforced with woven fiberglass - commonly manufactured in the form of FR4 sheets - is renowned for its exceptional electrical insulation properties, mechanical strength, and thermal stability. In the electrical sector, FR4 sheets find widespread applications in printed circuit boards (PCBs), insulating components, and structural elements. Their low moisture absorption, high dielectric strength, and excellent dimensional stability make them an ideal choice for various electronic devices, from consumer electronics to sophisticated industrial equipment. The material's ability to withstand high temperatures and resist electrical breakdown ensures the reliability and longevity of electrical systems, making FR4 sheet an indispensable component in modern electrical engineering and manufacturing.

James Yang

Jun 26, 2025

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Glass Fiber Series

Do You Know the Density of FR4 Epoxy Board?

FR4 epoxy board, a ubiquitous material in the electronics industry, boasts a density that sets it apart from other insulating materials. The typical density of the product ranges from 1.80 to 1.85 g/cm³, making it a lightweight yet robust option for various applications. This unique combination of low weight and high strength is one of the key factors contributing to its widespread use in FR4 sheet, printed circuit boards (PCBs), and other electronic components. Understanding the density of FR4 epoxy sheet is crucial for engineers and manufacturers, as it directly impacts the material's performance characteristics, including its thermal properties, electrical insulation capabilities, and overall durability. The precise density can vary slightly depending on the specific formulation and manufacturing process, but this range provides a reliable benchmark for most FR4 epoxy board applications.

James Yang

Jun 26, 2025

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Glass Fiber Series

Exploring G10 and FR4: Applications, Properties, and Uses in Electronics

James Yang

Jun 25, 2025

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Glass Fiber Series

G10 Mechanical Properties Strength of Advanced Laminates

G10 mechanical properties strength of advanced laminates is a crucial aspect in the world of insulating materials. G10 sheet, also known as G10 epoxy sheet, is renowned for its exceptional mechanical strength, electrical insulation, and thermal stability. This high-performance laminate boasts a unique combination of properties that make it ideal for various applications in industries such as aerospace, electronics, and automotive. With a tensile strength ranging from 40,000 to 65,000 psi, a flexural strength of 65,000 to 80,000 psi, and a compressive strength of 65,000 to 75,000 psi, G10 sheet demonstrates remarkable resilience under diverse conditions. Its low moisture absorption, excellent dimensional stability, and high heat resistance further enhance its appeal as a versatile engineering material.

James Yang

Jun 25, 2025

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