Blog - JingHong

Glass Fiber Series

Comparing 3240 Epoxy Sheet to Other Epoxy Laminates

James Yang

Sep 9, 2025

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Glass Fiber Series

The Manufacturing Process of G10 Epoxy Sheet

James Yang

Sep 9, 2025

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Glass Fiber Series

FR4 Epoxy Sheet Density and Its Importance in Engineering

FR4 epoxy sheet density plays a crucial role in engineering applications, particularly in the realm of printed circuit boards (PCBs) and electronic components. With a typical density ranging from 1.80 to 1.91 g/cm³, FR4 offers an optimal balance between weight and performance. This density contributes significantly to the material's strength, thermal properties, and electrical insulation capabilities. Understanding the importance of FR4 density is essential for engineers and designers, as it directly impacts the material's behavior in various applications, from aerospace to consumer electronics. The density of FR4 epoxy sheets influences their mechanical strength, thermal conductivity, and overall durability, making it a critical factor in the design and manufacturing of reliable, high-performance electronic systems.

James Yang

Sep 9, 2025

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Glass Fiber Series

3240 Epoxy Sheet Testing Standards You Should Know

3240 epoxy sheets are crucial components in various industries, renowned for their exceptional electrical insulation and mechanical properties. To ensure these sheets meet the stringent requirements of their applications, a comprehensive set of testing standards has been established. These standards encompass mechanical, electrical, and thermal properties, as well as environmental resistance. Key tests include dielectric strength, tensile strength, flexural strength, and thermal conductivity. Manufacturers and end-users must adhere to these standards to guarantee the reliability and performance of 3240 epoxy sheets in critical applications such as electrical insulation, circuit boards, and high-temperature environments. Understanding these testing standards is essential for quality control, product development, and ensuring the safety and efficiency of systems utilizing 3240 epoxy sheets.

James Yang

Sep 9, 2025

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Glass Fiber Series

How to Identify High-Quality FR4 Epoxy Sheet?

James Yang

Sep 9, 2025

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Glass Fiber Series

Dielectric Properties of G10 Epoxy Sheet in Electrical Systems

G10 epoxy sheet stands as a paragon of electrical insulation, boasting exceptional dielectric properties that make it indispensable in various electrical systems. This high-performance composite material, comprising glass fiber reinforcement and epoxy resin, exhibits remarkable electrical resistance and breakdown strength. Its low dielectric constant and dissipation factor ensure minimal energy loss in high-frequency applications. G10's ability to maintain its insulating properties across a wide temperature range and in diverse environmental conditions further cements its status as a premier choice for electrical insulation. From power distribution equipment to printed circuit boards, G10 epoxy sheet's dielectric prowess enhances the efficiency, reliability, and safety of countless electrical systems worldwide.

James Yang

Sep 9, 2025

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Phenolic Series

Environmental Factors Affecting Phenolic Cotton Sheet

Caroline Jia

Sep 9, 2025

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Glass Fiber Series

How 3240 Epoxy Sheet Supports High-Temperature Applications?

James Yang

Sep 9, 2025

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Glass Fiber Series

G10 Epoxy Sheet Thermal Stability and Heat Resistance

G10 epoxy sheet is renowned for its exceptional thermal stability and heat resistance, making it a go-to material for applications requiring reliable performance under high-temperature conditions. With a glass transition temperature (Tg) typically around 130-140°C and a maximum continuous operating temperature of about 155°C, G10 exhibits remarkable resilience in demanding environments. This composite material, comprised of glass fabric reinforcement and epoxy resin, maintains its structural integrity and electrical properties across a wide temperature range, from cryogenic levels as low as -269°C up to its upper limits. Understanding the thermal characteristics of G10 is crucial for engineers and designers seeking to optimize its use in critical systems where heat management is paramount.

James Yang

Sep 8, 2025

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