Blog - JingHong

Glass Fiber Series

Testing Protocol to Validate G10 for High-Voltage Electrical Parts

Validating G10 sheets for high-voltage electrical applications demands a rigorous and comprehensive testing protocol. This process ensures the material's ability to withstand extreme electrical, mechanical, and environmental stresses. A thorough validation protocol typically includes dielectric strength tests, partial discharge measurements, thermal cycling, mechanical stress evaluations, and long-term aging simulations. These tests collectively assess the G10 sheet's insulation properties, dimensional stability, and overall performance under conditions that mimic real-world high-voltage environments. By adhering to industry standards and incorporating application-specific requirements, manufacturers can confidently certify G10 sheets for use in critical high-voltage electrical components.

James Yang

Oct 11, 2025

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Phenolic Series

How Does Phenolic Cotton's Lifespan Vary by Operating Temperature?

The lifespan of phenolic cotton sheet is intricately linked to its operating temperature. At lower temperatures, typically below 100°C, these sheets exhibit remarkable longevity, often lasting for several years without significant degradation. As temperatures approach 120°C, which is considered the upper limit of their lasting operating temperature, the lifespan begins to decrease. Prolonged exposure to temperatures near or exceeding this threshold can lead to accelerated deterioration of the material's properties. The phenolic resin matrix may start to break down, affecting the sheet's structural integrity and insulation capabilities. Consequently, while phenolic cotton sheets demonstrate excellent durability at moderate temperatures, their lifespan can be substantially reduced when consistently operated at elevated temperatures close to their maximum rating.

Caroline Jia

Oct 11, 2025

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Glass Fiber Series

Compare G10 vs FR4 for High-Voltage Transformer Insulation

When it comes to high-voltage transformer insulation, G10 sheet and FR4 sheet are two popular materials that often come under consideration. Both offer excellent electrical insulation properties, but they have distinct characteristics that can make one more suitable than the other in specific applications. G10, known for its high mechanical strength and thermal stability, is often preferred in environments with extreme temperatures or mechanical stress. FR4, on the other hand, boasts superior flame-retardant properties, making it an excellent choice where fire safety is paramount. The choice between G10 and FR4 for high-voltage transformer insulation ultimately depends on the specific requirements of the application, including operating temperature, mechanical stress, and fire safety standards.

James Yang

Oct 11, 2025

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Phenolic Series

Lifecycle Cost Analysis for Bakelite Components in Industry

Caroline Jia

Oct 11, 2025

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Phenolic Series

Advantages of Using Phenolic Paper Sheet in Low-Voltage Equipment

Caroline Jia

Oct 11, 2025

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Phenolic Series

How to Identify Genuine High-Quality Phenolic Paper Sheet?

Caroline Jia

Oct 11, 2025

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Glass Fiber Series

Compare FR4 vs G10 Reliability and Cost Tradeoffs

When it comes to selecting materials for printed circuit boards (PCBs) and other electrical applications, FR4 sheet and G10 sheet are two popular choices that often come under consideration. Both materials offer unique advantages and trade-offs in terms of reliability and cost. FR4, known for its flame-retardant properties, generally provides better fire resistance and is more cost-effective. On the other hand, G10 offers superior mechanical strength and thermal stability, making it suitable for high-stress environments. The choice between FR4 and G10 ultimately depends on the specific requirements of your application, including budget constraints, performance needs, and environmental factors. This comprehensive comparison will help you make an informed decision by exploring the nuances of both materials.

James Yang

Oct 11, 2025

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Industry standards

How to Evaluate Insulation Sheet Suppliers for Long-Term Partnerships?

James Yang

Oct 11, 2025

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Phenolic Series

How to Machine and Finish NEMA CE Sheets Safely?

Caroline Jia

Oct 10, 2025

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