Blog - JingHong

Glass Fiber Series

How Does Temperature Affect the Mechanical Strength of 3240 Epoxy Sheet?

James Yang

Sep 19, 2025

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Phenolic Series

How Does Chemical Resistance Enhance Bakelite's Industrial Applications?

Caroline Jia

Sep 19, 2025

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Phenolic Series

Why is Heat Resistance Crucial for Bakelite in Electrical Systems?

Heat resistance is absolutely essential for Bakelite sheets in electrical systems due to their role in preventing thermal degradation, maintaining structural integrity, and ensuring long-term safety. As electrical components generate heat during operation, Bakelite sheets' ability to withstand high temperatures without melting, deforming, or losing their insulating properties is paramount. This thermal stability allows Bakelite sheets to consistently protect against electrical shorts, fires, and system failures even under demanding conditions. By preserving their mechanical and dielectric strength at elevated temperatures, heat-resistant Bakelite sheets enable the reliable functioning of everything from household appliances to industrial power distribution equipment. Ultimately, the heat resistance of Bakelite sheets is crucial for safeguarding both the performance and safety of modern electrical infrastructure.

Caroline Jia

Sep 19, 2025

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Phenolic Series

How Temperature Affects Bakelite Insulation Performance?

Caroline Jia

Sep 19, 2025

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Phenolic Series

How to Test Bakelite Sheets for Heat and UV Degradation?

Testing Bakelite sheets for heat and UV degradation is crucial for ensuring their long-term performance in various applications. To evaluate thermal aging, samples are typically subjected to accelerated aging tests in ovens at elevated temperatures for extended periods. UV degradation can be assessed through exposure to artificial UV light sources in weathering chambers. After aging, mechanical properties like tensile strength and impact resistance are measured and compared to baseline values. Electrical properties such as dielectric strength and volume resistivity are also evaluated. Visual inspection and weight loss measurements can provide additional insights into degradation. Specialized analytical techniques like FTIR spectroscopy may be used to detect chemical changes in the material structure.

Caroline Jia

Sep 19, 2025

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Glass Fiber Series

How Manufacturing Steps Affect FR4 Board Reliability?

James Yang

Sep 19, 2025

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Glass Fiber Series

Environmental and Recycling Options for end-of-life FR4 Boards

As electronic waste continues to grow, the recycling of FR4 boards has become increasingly important for environmental sustainability. FR4 boards, widely used in printed circuit boards (PCBs), pose unique challenges due to their composite nature. However, innovative recycling methods are emerging to address these issues. From mechanical separation techniques to chemical recovery processes, the industry is developing more efficient ways to reclaim valuable materials from end-of-life FR4 boards. These efforts not only reduce environmental impact but also contribute to the circular economy by recovering precious metals and other reusable components. As technology advances, sustainable recycling options for FR4 boards are becoming more viable, offering hope for a greener future in electronics manufacturing.

James Yang

Sep 19, 2025

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Glass Fiber Series

Best G10 Thickness for Electrical Insulation

Caroline Jia

Sep 19, 2025

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Glass Fiber Series

How to Select the Right FR4 Grade for Specific Applications?

Selecting the appropriate FR4 sheet grade for specific applications requires a comprehensive understanding of the material's properties and the unique demands of your project. Begin by assessing the electrical, mechanical, and thermal requirements of your application. Consider factors such as dielectric constant, dissipation factor, glass transition temperature, and thermal conductivity. Evaluate the operating environment, including temperature extremes and moisture exposure. Compare standard and high-performance FR4 grades, weighing cost against performance benefits. Consult with material suppliers and industry experts to gather insights on the latest FR4 innovations. By methodically analyzing these factors, you can confidently choose an FR4 sheet grade that optimizes performance, reliability, and cost-effectiveness for your specific application.

James Yang

Sep 18, 2025

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