Blog - JingHong

Glass Fiber Series

How to Measure the Dielectric Constant of FR4?

Measuring the dielectric constant of FR4 sheet involves several precise methods and specialized equipment. The most common approach utilizes a parallel plate capacitor setup, where the FR4 material acts as the dielectric between two conductive plates. By measuring the capacitance and applying the appropriate formulas, technicians can calculate the dielectric constant. Other techniques include microstrip resonator methods and split-post dielectric resonators. These measurements are typically performed across a range of frequencies, as the dielectric constant of FR4 can vary slightly depending on the frequency of the applied electromagnetic field. Accurate measurement requires careful sample preparation, controlled environmental conditions, and calibrated test equipment to ensure reliable and reproducible results.

James Yang

Aug 14, 2025

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Glass Fiber Series

Dielectric Strength Comparison: FR4 vs G10 Boards

James Yang

Aug 14, 2025

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Glass Fiber Series

From FR4 to G11: The Evolution of Electrical Laminates

The progression from FR4 to G11 in electrical laminates represents a significant advancement in material science and engineering. This evolution has been driven by the ever-increasing demands of modern electronics for higher performance, greater reliability, and enhanced thermal stability. FR4 sheet, a glass-reinforced epoxy laminate, has long been the industry standard for printed circuit boards (PCBs) due to its excellent balance of electrical, mechanical, and thermal properties. However, as electronic devices became more complex and operated at higher frequencies and temperatures, the limitations of FR4 became apparent. This led to the development of advanced laminates like G11, which offers superior thermal resistance and electrical performance, making it suitable for more demanding applications in aerospace, telecommunications, and high-power electronics.

James Yang

Aug 14, 2025

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Glass Fiber Series

G10 vs G11: Which Fiberglass Sheet is Better for Industrial Use?

When it comes to selecting the ideal fiberglass sheet, such as G10 sheet, for industrial applications, the choice often boils down to G10 and G11. Both materials offer exceptional strength, durability, and electrical insulation properties, making them popular choices in various industries. G10 is renowned for its versatility and cost-effectiveness, excelling in applications requiring high mechanical strength and electrical insulation at moderate temperatures. On the other hand, G11 stands out for its superior heat resistance and ability to maintain its properties at elevated temperatures. The decision between G10 and G11 ultimately depends on the specific requirements of your industrial application, with G10 being the go-to for general-purpose use and G11 shining in high-temperature environments.

James Yang

Aug 13, 2025

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Glass Fiber Series

Tricks for Mounting G11 Sheets in Electrical Systems

Mounting G11 sheets in electrical systems requires precision and expertise to ensure optimal performance and longevity. These high-performance laminates, known for their excellent electrical insulation and mechanical strength, demand careful handling during installation. Key tricks include proper surface preparation, using appropriate fastening techniques, and accounting for thermal expansion. By employing specialized tools, maintaining proper alignment, and ensuring even pressure distribution, technicians can maximize the effectiveness of G11 sheets in high-voltage applications. Additionally, considering environmental factors and implementing strategic mounting patterns can significantly enhance the overall reliability and safety of electrical systems incorporating these advanced insulating materials.

James Yang

Aug 13, 2025

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Glass Fiber Series

Arc Resistance in G11: How It Compares to Other Laminates

James Yang

Aug 13, 2025

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Glass Fiber Series

Mechanical Strength Testing of G11 Insulation Boards

Mechanical strength testing of G11 insulation boards is a crucial process in determining the material's ability to withstand various stresses and loads in high-performance electrical applications. G11 sheets, known for their exceptional mechanical and electrical properties, undergo rigorous testing procedures to evaluate their tensile strength, compressive strength, flexural strength, and impact resistance. These tests simulate real-world conditions and provide valuable data on the material's durability, reliability, and suitability for specific applications. By analyzing the results of these mechanical strength tests, engineers and designers can make informed decisions about the use of G11 sheets in critical electrical insulation components, ensuring optimal performance and longevity in demanding environments.

James Yang

Aug 13, 2025

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Glass Fiber Series

CNC-Ready G10 Sheets for OEM Production

James Yang

Aug 13, 2025

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Glass Fiber Series

Is G10 Sheet Flame Retardant?

James Yang

Aug 13, 2025

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