Blog - JingHong

Phenolic Series

Test Methods to Verify Bakelite Electrical Breakdown Voltage

Verifying the electrical breakdown voltage of Bakelite sheets is crucial for ensuring their reliability in electrical insulation applications. The primary test methods involve subjecting Bakelite samples to increasing voltage levels until dielectric breakdown occurs. This is typically conducted using specialized high-voltage testing equipment in controlled laboratory conditions. The most common approach utilizes flat electrodes to apply voltage across a thin Bakelite sample, gradually increasing the potential difference until the material's insulating properties fail. Alternative methods may employ needle electrodes or stepped voltage increases. Rigorous testing protocols outlined by standards organizations like ASTM International and IEC provide detailed procedures for accurately determining breakdown strength.

Caroline Jia

Sep 26, 2025

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Phenolic Series

Relevant IEC and ASTM Standards for Electrical Phenolic Sheets

Caroline Jia

Sep 26, 2025

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Phenolic Series

Industry Standards and Certification for Bakelite Sheets

Bakelite sheets, renowned for their exceptional electrical insulation and heat-resistant properties, adhere to stringent industry standards and certifications. These standards ensure the quality, safety, and reliability of Bakelite sheets across various applications. From electrical components to industrial machinery, Bakelite sheets must meet specific criteria set by international organizations. These standards encompass mechanical strength, electrical insulation, thermal stability, and chemical resistance. Certifications from recognized bodies validate the compliance of Bakelite sheets with these standards, providing assurance to manufacturers and end-users alike. Understanding these standards and certifications is crucial for selecting the appropriate Bakelite sheet for specific industrial applications.

Caroline Jia

Sep 26, 2025

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Phenolic Series

Typical Electrical Applications Where Bakelite Sheets Excel

Caroline Jia

Sep 26, 2025

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Glass Fiber Series

FR4 Epoxy Sheet Certification Requirements for Global Trade

James Yang

Sep 26, 2025

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Phenolic Series

Custom Machining Solutions with Phenolic Cotton Sheet

Caroline Jia

Sep 26, 2025

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Phenolic Series

Bakelite Sheet Market Trends: Why Demand Is Rising Again

The Bakelite sheet market is experiencing a remarkable resurgence, driven by a combination of technological advancements, environmental considerations, and renewed appreciation for this versatile material. Originally developed in the early 20th century, Bakelite sheets are witnessing increased demand across various industries due to their exceptional electrical insulation properties, heat resistance, and durability. This revival is fueled by the material's ability to meet modern engineering challenges, its eco-friendly attributes compared to some alternatives, and a growing nostalgia for retro designs in certain consumer sectors. As industries seek reliable, cost-effective solutions for complex applications, Bakelite sheets are once again proving their worth in an ever-evolving market landscape.

Caroline Jia

Sep 25, 2025

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Glass Fiber Series

Top Applications Driving FR4 Epoxy Sheet Demand in 2025

The FR4 epoxy sheet market is experiencing significant growth in 2025, driven by expanding applications across multiple industries. As a versatile material combining excellent electrical insulation, mechanical strength, and flame retardant properties, FR4 epoxy sheet demand is surging in electronics manufacturing, aerospace, automotive, and renewable energy sectors. The increasing complexity of printed circuit boards (PCBs) in smart devices, electric vehicles, and 5G infrastructure is propelling FR4 usage. Additionally, FR4's thermal stability and moisture resistance make it ideal for harsh environment applications in industrial equipment and medical devices. With the global push towards miniaturization and lightweighting, FR4 epoxy sheets are becoming indispensable in creating compact, durable, and high-performance electronic components and structural parts.

James Yang

Sep 25, 2025

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Phenolic Series

Phenolic Cotton Sheet Is Cost-Effective for OEMs?

Caroline Jia

Sep 25, 2025

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