Blog - JingHong

Glass Fiber Series

The Difference Between FR4 and 3240 Epoxy Board?

FR4 and 3240 epoxy board are both popular materials used in electrical and electronic applications, but they have distinct characteristics that set them apart. FR4 is a flame-retardant, glass-reinforced epoxy laminate commonly used in printed circuit boards (PCBs). It offers excellent electrical insulation and mechanical strength. On the other hand, 3240 epoxy board, also known as 3240 epoxy sheet, is a high-performance insulating material that combines epoxy resin with glass fiber. While FR4 is primarily used in PCB manufacturing, 3240 epoxy board finds applications in various industries due to its superior thermal, mechanical, and electrical properties. The key differences lie in their composition, temperature resistance, and specific applications, making each material suitable for distinct purposes in the world of electrical insulation.

James Yang

Jul 10, 2025

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Glass Fiber Series

Processing Performance and Application of FR4 Epoxy Sheet

FR4 epoxy sheet, a versatile and robust material, has become indispensable in various industries due to its exceptional processing performance and wide-ranging applications. This high-performance composite, also known as FR4 epoxy board, combines fiberglass reinforcement with epoxy resin to create a substrate that excels in electrical insulation, mechanical strength, and thermal stability. Its remarkable properties make it ideal for use in printed circuit boards (PCBs), electrical enclosures, and structural components in aerospace and automotive industries. The processing capabilities of FR4 epoxy sheet, including easy machining, drilling, and laminating, coupled with its resistance to heat and chemicals, have solidified its position as a go-to material for engineers and manufacturers worldwide.

James Yang

Jul 10, 2025

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Glass Fiber Series

Unveiling the Superior Properties of G10 Epoxy Sheets in Functional Composite Material Applications

James Yang

Jul 10, 2025

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Glass Fiber Series

Why is FR4 Epoxy Sheet a Cost-Effective Choice?

FR4 epoxy sheet stands out as a cost-effective choice in the world of insulating materials due to its exceptional balance of performance and affordability. This versatile material offers remarkable durability, excellent electrical insulation properties, and impressive heat resistance, all while maintaining a competitive price point. The cost-effectiveness of FR4 epoxy board stems from its efficient manufacturing process, widespread availability, and long-lasting nature, which reduces the need for frequent replacements. Moreover, its versatility across various applications in electronics, aerospace, and industrial sectors contributes to economies of scale, further driving down costs. By choosing FR4 epoxy sheet, businesses can achieve high-quality results without breaking the bank, making it an intelligent investment for both short-term projects and long-term applications.

James Yang

Jul 10, 2025

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Glass Fiber Series

Everything You Need to Know About G10 Sheet Thickness

James Yang

Jul 10, 2025

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Glass Fiber Series

FR4 vs. Rogers - Choosing the Right PCB Material for High-Frequency Applications

When it comes to selecting the ideal printed circuit board (PCB) material for high-frequency applications, the choice often boils down to FR4 vs. Rogers. Both materials have their unique properties and advantages, making the decision crucial for optimal performance. FR4, a glass-reinforced epoxy laminate commonly available as FR4 sheet, is widely used due to its cost-effectiveness and reliability. On the other hand, Rogers materials, known for their excellent electrical properties, are preferred in high-frequency and high-speed applications. The selection between FR4 and Rogers depends on factors such as operating frequency, dielectric constant, loss tangent, thermal stability, and cost considerations. Understanding these materials' characteristics is essential for engineers and manufacturers to make informed decisions that balance performance requirements and economic constraints in their PCB designs.

James Yang

Jul 9, 2025

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Glass Fiber Series

FR4 Epoxy Sheet: a Comprehensive Analysis from Insulation to Flame Retardancy

James Yang

Jul 9, 2025

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Phenolic Series

Bakelite Sheet: The Ideal Insulation Material for Motors and Transformers

Caroline Jia

Jul 9, 2025

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Phenolic Series

How Bakelite Sheets Perform in Electrical Insulation: Key Factors to Consider

Caroline Jia

Jul 9, 2025

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