Blog - JingHong

Glass Fiber Series

G10 Epoxy Sheet Thickness and Strength Guide

James Yang

Aug 28, 2025

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Phenolic Series

Phenolic Cotton Sheet Standards and Certifications

Caroline Jia

Aug 27, 2025

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Glass Fiber Series

Environmental Impact of Using FR4 Epoxy Sheet

FR4 epoxy sheet, a widely used material in the electronics industry, has both positive and negative environmental impacts. On the positive side, its durability and flame-retardant properties contribute to longer-lasting electronic devices, potentially reducing e-waste. Additionally, its excellent insulating properties can lead to more energy-efficient electronics. However, the production of FR4 epoxy sheets involves energy-intensive processes and the use of non-renewable resources. The epoxy resin and fiberglass components are derived from petroleum products, contributing to carbon emissions. Moreover, the flame-retardant additives used in FR4 can contain harmful chemicals that may leach into the environment if not properly disposed of. Balancing these factors is crucial for understanding the overall environmental impact of FR4 epoxy sheets in manufacturing and electronics.

James Yang

Aug 27, 2025

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Phenolic Series

Phenolic Cotton Sheet Thermal Conductivity and Heat Resistance

Caroline Jia

Aug 27, 2025

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Glass Fiber Series

Why 3240 Epoxy Sheet Is Suitable for Transformer Components?

3240 epoxy sheet stands out as an exceptional material for transformer components due to its unique combination of electrical, mechanical, and thermal properties. This high-performance composite excels in providing superior electrical insulation, crucial for preventing breakdowns in high-voltage environments. Its remarkable mechanical strength ensures durability and reliability, even under the constant stress transformers endure. Furthermore, the sheet's excellent thermal stability allows it to maintain its integrity and performance in the heat-intensive conditions typical of transformer operations. These attributes, coupled with its resistance to moisture and chemicals, make 3240 epoxy sheet an ideal choice for enhancing transformer efficiency, longevity, and safety across various industrial applications.

James Yang

Aug 27, 2025

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Glass Fiber Series

The Chemical Resistance of FR4 Epoxy Sheet

FR4 epoxy sheet, a versatile composite material, exhibits remarkable chemical resistance, making it an ideal choice for numerous industrial applications. This fiberglass-reinforced epoxy laminate demonstrates exceptional durability when exposed to a wide range of chemicals, including acids, alkalis, and solvents. Its resilience stems from the unique combination of epoxy resin and glass fiber reinforcement, which creates a robust barrier against chemical degradation. The chemical resistance of FR4 epoxy sheet extends its lifespan, reduces maintenance costs, and ensures reliable performance in challenging environments. This property, coupled with its excellent electrical insulation and mechanical strength, makes FR4 epoxy sheet an indispensable material in electronics, aerospace, and chemical processing industries.

James Yang

Aug 27, 2025

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Phenolic Series

The Longevity of Phenolic Cotton Sheet in Harsh Environments

Phenolic cotton sheet exhibits remarkable longevity in harsh environments, making it a superior choice for demanding industrial applications. This composite material, created by impregnating cotton cloth with phenolic resin and curing under heat and pressure, boasts exceptional durability. Its ability to withstand extreme conditions stems from its unique combination of high mechanical strength, excellent chemical resistance, and outstanding thermal properties. Phenolic cotton sheets can maintain their performance characteristics for extended periods, often lasting several decades when properly installed and maintained. This longevity is particularly evident in applications exposed to moisture, chemicals, and high temperatures, where the material's inherent properties provide a protective barrier against degradation.

Caroline Jia

Aug 27, 2025

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Phenolic Series

Bakelite Sheet Mechanical Strength and Load Capacity

Caroline Jia

Aug 27, 2025

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Glass Fiber Series

Common Grades of 3240 Epoxy Sheet in the Market

James Yang

Aug 27, 2025

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