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

Best FR4 Epoxy Sheet in China for UK PCB Makers

James Yang

Dec 11, 2025

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Phenolic Series

Best Bakelite Sheet in China for Electrical Panels

Caroline Jia

Dec 11, 2025

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Phenolic Series

Best Phenolic Cotton Sheet in China for Roller Makers

If you're looking for the best phenolic cotton sheet in China for roller makers, J&Q stands out as a top company with more than 20 years of experience making industrial insulation materials. Our phenolic cotton laminate products have great mechanical strength, great electrical insulation, and solid performance in a wide range of demanding roller manufacturing uses. Chinese manufacturers have changed the phenolic cotton fabric business by combining old-fashioned craftsmanship with cutting-edge production technologies. They have done this by making solutions that are both affordable and up to international quality standards. Getting phenolic cotton board from China gives you a competitive edge because the quality, price, and manufacturing skills are all just right for roller makers around the world, whether they need to make a few prototypes or a lot of them.

Caroline Jia

Dec 11, 2025

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Glass Fiber Series

Best FR4 Epoxy Sheet for US Contract Manufacturers

James Yang

Dec 10, 2025

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Glass Fiber Series

Best FR4 Epoxy Sheet in China for Small PCB Shops

James Yang

Dec 10, 2025

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Phenolic Series

Best Bakelite Sheet in China for Renewable Energy Parts

Caroline Jia

Dec 10, 2025

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