Blog - JingHong

Glass Fiber Series

Custom G10 Epoxy Sheet Solutions for Industrial Clients

James Yang

Oct 10, 2025

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Glass Fiber Series

How FR4 Improvements Affect High-Frequency PCB Design?

James Yang

Oct 10, 2025

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Phenolic Series

Which Certifications Matter for Electrical-Grade Phenolic Sheets

Caroline Jia

Oct 10, 2025

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Glass Fiber Series

Recommended FR4 Specs for Harsh Industrial Environments

James Yang

Oct 10, 2025

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Glass Fiber Series

Key Reliability Metrics for FR4 in High-Temperature Applications

FR4 sheets, renowned for their exceptional thermal and electrical properties, play a crucial role in high-temperature applications across various industries. When evaluating the reliability of FR4 in elevated temperature environments, several key metrics come into focus. These include thermal endurance, dielectric strength retention, dimensional stability, and flame retardancy. The glass transition temperature (Tg) serves as a critical benchmark, typically ranging from 130°C to 180°C for standard FR4 materials. Time to delamination (T260 and T288) and decomposition temperature (Td) further quantify the material's ability to withstand prolonged exposure to high temperatures. Additionally, the coefficient of thermal expansion (CTE) and its consistency across different temperature ranges significantly impact the long-term reliability of FR4-based components in high-temperature scenarios.

James Yang

Oct 10, 2025

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Glass Fiber Series

How 3240 Sheets Reduce Losses in High-Voltage Equipment?

James Yang

Oct 10, 2025

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Glass Fiber Series

How does G10's Low Moisture Uptake Reduce Maintenance Frequency?

James Yang

Oct 10, 2025

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Phenolic Series

Recycling or Disposal Options for Bakelite Sheet in Manufacturing

Caroline Jia

Oct 9, 2025

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Glass Fiber Series

What Certification And Testing Standards Apply to G10 in Aviation?

G10 sheet, a crucial material in aviation, undergoes rigorous certification and testing to ensure its reliability and safety in aircraft applications. The Federal Aviation Administration (FAA) and other international aviation authorities mandate specific standards for G10 used in aircraft components. These standards typically include MIL-I-24768 for electrical insulation materials, ASTM D709 for laminated thermosetting materials, and UL 94V-0 for flammability testing. Additionally, G10 must meet the requirements of FAR 25.853 for flammability and toxicity in aircraft interiors. Compliance with these standards involves extensive testing of mechanical properties, electrical resistance, thermal stability, and fire resistance. This comprehensive certification process guarantees that G10 sheet meets the exacting demands of aerospace applications.

James Yang

Oct 9, 2025

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