Blog - JingHong

Industry standards

The Complete Guide to FR4 Sheet in 2025

James Yang

Jun 5, 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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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

FR4 vs. G10: Which Epoxy Sheet Performs Better Under CNC Routing?

James Yang

May 27, 2026

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Glass Fiber Series

Custom Sizing: How We Cut Epoxy Sheets Without Creating Micro-Cracks

James Yang

May 27, 2026

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Industry standards

5 Common Mistakes When Machining Electrical Insulation Sheets

It is very important to be very precise when cutting electrical insulation sheets like FR4, phenolic laminates, or epoxy boards. This affects how well the product works, how safe it is, and how much it costs to run. A lot has changed with CNC technology, but many makers still have the same issues: materials breaking, measures being off, not following the rules, and parts breaking before they should. Most of the time, these issues aren't caused by not having enough tools. Instead, they're caused by five mistakes that can be avoided when picking products, planning processes, and dealing with suppliers. Engineers, buying teams, and OEM partners can cut down on waste, improve dielectric stability, and keep lead times low if they know about these mistakes. The main mistakes people make in the power, industry, and electricity fields are looked at in this piece. It tells you how to make machining better and keep the purity of the goods you make.

James Yang

May 27, 2026

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Phenolic Series

The Machinability of Phenolic Cotton Sheets vs. Paper-Based Bakelite

Caroline Jia

May 26, 2026

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Phenolic Series

Choosing the Right CNC Router Bits for Milling Bakelite and Phenolic Cotton Sheets

Caroline Jia

May 26, 2026

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Glass Fiber Series

Precision CNC Machining of G10 Epoxy Sheets: Achieving Tight Tolerances for Aerospace Parts

James Yang

May 26, 2026

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