Blog - JingHong

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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Glass Fiber Series

How do Environmental Factors affect G10's Mechanical Properties?

James Yang

Sep 18, 2025

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Phenolic Series

What Are Common Issues with Bakelite Insulation in High-Voltage Systems?

Bakelite sheet insulation in high-voltage systems faces several common issues that can compromise its effectiveness and safety. These include thermal degradation, electrical tracking, partial discharge, and mechanical stress. Over time, exposure to high temperatures and electrical stress can lead to carbonization and breakdown of the Bakelite sheet material. Moisture ingress and contaminants can create conductive paths on the surface, resulting in electrical tracking. Partial discharge activity within voids or at interfaces can gradually erode the insulation. Additionally, mechanical stresses from thermal cycling and vibration can cause cracking or delamination of Bakelite sheet components. Understanding and addressing these issues is crucial for maintaining the reliability and longevity of high-voltage equipment utilizing Bakelite sheet insulation.

Caroline Jia

Sep 18, 2025

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Glass Fiber Series

What Testing Standards verify G10's Electrical Performance?

James Yang

Sep 18, 2025

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Glass Fiber Series

What Testing Methods Measure the Mechanical Strength of 3240 Epoxy Sheet?

James Yang

Sep 18, 2025

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Glass Fiber Series

How Does Environmental Exposure Influence the Durability of 3240 Epoxy Sheet?

James Yang

Sep 18, 2025

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Phenolic Series

How Can Bakelite Sheets Be Customized for Specific Transformer Designs?

Caroline Jia

Sep 18, 2025

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Phenolic Series

How Does UV Exposure Affect Bakelite Sheet Longevity Outdoors?

UV exposure significantly impacts the longevity of Bakelite sheets used in outdoor applications. Prolonged exposure to ultraviolet radiation can lead to photodegradation, causing the material to experience color changes, surface crazing, and reduced mechanical properties. The phenolic resin in Bakelite sheets absorbs UV energy, triggering chemical reactions that break down molecular bonds. This degradation process can result in embrittlement, decreased impact resistance, and potential structural weakening over time. However, the rate and severity of UV-induced deterioration depend on factors such as the specific Bakelite formulation, environmental conditions, and the presence of protective treatments or coatings. Understanding these effects is crucial for optimizing the performance and lifespan of Bakelite sheets in outdoor settings.

Caroline Jia

Sep 18, 2025

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