Blog - JingHong

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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Phenolic Series

How do Phenolic Cotton Sheets Compare to Other Insulation Materials in Durability?

Caroline Jia

Sep 17, 2025

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Phenolic Series

What Is the Mechanical Strength of Phenolic Cotton Sheets Under Load?

Caroline Jia

Sep 16, 2025

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Phenolic Series

What Are the Wear Resistance Properties of Phenolic Cotton Sheets?

Caroline Jia

Sep 16, 2025

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Phenolic Series

What Standards Regulate Bakelite Sheet Quality for Electrical Use?

Bakelite sheet quality for electrical applications is regulated by a comprehensive set of international and regional standards. These standards encompass electrical, mechanical, and thermal performance criteria, ensuring the material's safety and reliability in various electrical components. Key regulatory bodies include the International Electrotechnical Commission (IEC), ASTM International, and regional organizations like the European Committee for Electrotechnical Standardization (CENELEC). These standards specify requirements for insulation resistance, dielectric strength, flammability, and dimensional stability, among other crucial properties. Manufacturers must adhere to these stringent guidelines to produce Bakelite sheets that meet the exacting demands of the electrical industry, from switchgear and transformers to circuit boards and insulating components.

Caroline Jia

Sep 16, 2025

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Phenolic Series

How Does Phenolic Cotton Sheet Perform Under Prolonged Heat Exposure?

Caroline Jia

Sep 15, 2025

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Phenolic Series

Why Are Phenolic Cotton Sheets Preferred for Electrical Components?

Caroline Jia

Sep 15, 2025

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Phenolic Series

What Are Common Manufacturing Techniques for Bakelite Sheets in Electronics?

Caroline Jia

Sep 15, 2025

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