Blog - JingHong

Phenolic Series

The Evolution of Bakelite: The World's First Fully Synthetic Plastic

Caroline Jia

Jul 2, 2025

0

Phenolic Series

The Electrical Strength of CE Phenolic Sheets Explained

CE phenolic sheets are renowned for their exceptional electrical strength, making them a crucial component in various electrical and electronic applications. The electrical strength of these sheets, typically measured in kilovolts per millimeter (kV/mm), is a testament to their ability to withstand high voltages without breakdown. CE phenolic sheets boast impressive dielectric properties, with electrical strength values often ranging from 15 to 20 kV/mm, depending on the specific grade and thickness. This remarkable insulating capability stems from the unique molecular structure of phenolic resins, which provides excellent resistance to electrical current flow. Understanding the electrical strength of CE phenolic sheets is essential for engineers and designers seeking reliable insulation solutions in high-voltage environments.

Caroline Jia

Jul 2, 2025

0

Phenolic Series

The Difference Between Phenolic Paper Sheets and Phenolic Cotton Cloth Sheets

Phenolic paper sheets and phenolic cotton cloth sheets are two popular materials used in various industrial applications, particularly in electrical insulation and structural components. While both materials share similarities in their phenolic resin base, they differ significantly in their core materials and properties. Phenolic paper sheets utilize layers of paper impregnated with phenolic resin, resulting in a rigid, lightweight, and cost-effective option. On the other hand, phenolic cotton cloth sheets incorporate woven cotton fabric as the base material, offering enhanced flexibility, tear resistance, and dimensional stability. These differences in composition lead to distinct characteristics, making each material suitable for specific applications in industries such as electronics, aerospace, and automotive.

Caroline Jia

Jul 2, 2025

0

Glass Fiber Series

3240 Epoxy Sheet: In-Depth Analysis of its Excellent Parameters

The 3240 epoxy sheet stands out as a pinnacle of engineering excellence in the realm of insulating materials. This versatile composite boasts an impressive array of properties that make it indispensable across various industries. From its exceptional electrical insulation capabilities to its remarkable mechanical strength, the 3240 epoxy board embodies cutting-edge technology in material science. Its unique composition of epoxy resin and glass fiber fabric results in a product that excels in high-temperature environments, offers superior dimensional stability, and provides unparalleled resistance to chemicals and moisture. As we delve deeper into the intricacies of this remarkable material, we'll uncover the parameters that set the 3240 epoxy sheet apart and explore its multifaceted applications in modern manufacturing and engineering.

James Yang

Jul 2, 2025

0

Glass Fiber Series

Comparison of FR4 Glass Epoxy Sheet and Common Epoxy Laminate Sheet

When it comes to selecting the right material for electrical and electronic applications, the choice between FR4 glass epoxy sheet and common epoxy laminate sheet can be crucial. FR4 glass epoxy sheet, known for its superior flame retardant properties and excellent mechanical strength, often outperforms common epoxy laminate sheets in demanding environments. While both materials offer good electrical insulation, FR4 glass epoxy sheets exhibit enhanced thermal stability and moisture resistance, making them ideal for high-performance circuit boards and aerospace applications. Common epoxy laminate sheets, though less expensive, may suffice for less critical uses but lack the rigorous standards met by FR4. Understanding these differences is essential for engineers and manufacturers to make informed decisions that balance performance requirements with cost considerations.

James Yang

Jul 1, 2025

0

Glass Fiber Series

The Ultimate Guide to G10 and FR4: CNC Machining, Electrical Insulation, and More

James Yang

Jul 1, 2025

0

Glass Fiber Series

Is G10 the Same as FR4? Understanding Glass Epoxy Laminates

James Yang

Jul 1, 2025

0

Glass Fiber Series

FR4 vs G10: Dielectric Properties, Moisture Resistance, and Thermal Stability

When it comes to selecting insulating materials for electronic applications, FR4 sheet and G10 sheets are often top contenders. These versatile materials offer unique properties that make them suitable for various industries. In this comprehensive comparison, we'll delve into the dielectric properties, moisture resistance, and thermal stability of FR4 and G10 sheets. While both materials share similar base compositions, their specific characteristics can significantly impact performance in different applications. FR4 generally exhibits superior flame retardancy and is more commonly used in printed circuit boards, while G10 boasts excellent mechanical strength and is often preferred in high-temperature environments. Understanding these nuances is crucial for engineers and manufacturers to make informed decisions based on their specific requirements.

James Yang

Jul 1, 2025

0

Phenolic Series

How CE Phenolic Sheets Handle High Heat Environments?

CE phenolic sheets demonstrate remarkable resilience in high heat environments due to their unique composition and manufacturing process. These sheets are engineered to withstand extreme temperatures, making them ideal for applications where thermal stability is crucial. The phenolic resin matrix, reinforced with cotton or glass fibers, creates a robust material that maintains its structural integrity and insulating properties even when exposed to intense heat. This exceptional heat resistance is attributed to the cross-linked molecular structure of phenolic resins, which forms a tight, three-dimensional network that resists thermal degradation. As a result, CE phenolic sheets can operate effectively in environments with temperatures up to 200°C (392°F) continuously, and even higher for short periods, without significant loss of mechanical or electrical properties.

Caroline Jia

Jul 1, 2025

0