Blog - JingHong

Industry standards

The Complete Guide to FR4 Sheet in 2025

James Yang

Jun 5, 2025

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Market Analysis

The Development History of Insulating Materials

The journey of insulating materials stretches back centuries, evolving from rudimentary natural substances to sophisticated, high-performance solutions that power modern industries. This fascinating progression began with early civilizations harnessing materials like wood, straw, and animal hides to shield against environmental extremes. As scientific understanding deepened, the Industrial Revolution ushered in a wave of innovation, introducing substances like rubber and early ceramics to meet burgeoning electrical demands. The 20th century marked a pivotal era, with synthetic polymers and advanced composites revolutionizing insulation technology. Today, cutting-edge insulating materials, such as aerogels and nanotechnology-enhanced sheets, dominate global markets, catering to diverse sectors from energy to aerospace. This rich history underscores the relentless pursuit of efficiency, safety, and sustainability in insulation advancements.

James Yang

Jun 12, 2025

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Glass Fiber Series

What's the Difference between G10 and FR4?

James Yang

Jun 17, 2025

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Glass Fiber Series

Common Challenges When Milling FR4 Epoxy Sheets and How to Solve Them

James Yang

Jun 5, 2026

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Glass Fiber Series

CNC Machining vs Conventional Machining for 3240 Epoxy Sheets

James Yang

Jun 5, 2026

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Phenolic Series

How to Improve Dimensional Stability During Phenolic Cotton Sheet Machining

Caroline Jia

Jun 5, 2026

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Phenolic Series

Precision CNC Drilling Techniques for Bakelite Sheets

Caroline Jia

Jun 4, 2026

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Glass Fiber Series

Why G10 Epoxy Sheets Require Specialized CNC Processing

James Yang

Jun 4, 2026

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Phenolic Series

How to Maintain Tight Tolerances in NEMA CE Sheet Machining

To keep tolerances tight during NEMA CE sheet machining, you have to keep a close eye on the properties of the material, the accuracy of the tools, the working surroundings, and the checking procedures. To make sure that the dimensions of high-quality NEMA CE sheets are accurate within certain limits, it must go through a process of regular tolerance verification, advanced CNC cutting with calibrated tools, and careful measurement with coordinate measuring machines. Process optimization, which includes Statistical Process Control and training for operators, keeps the dielectric strength and material stability that are important for electrical enclosures while reducing variation. Keeping humidity and temperature under control during cutting keeps materials from twisting and makes sure that the quality of production stays the same for large orders.

Caroline Jia

Jun 4, 2026

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