Blog - JingHong

Glass Fiber Series

Why Halogen-Free FR4 is Becoming the New Industry Standard?

James Yang

Apr 16, 2026

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Glass Fiber Series

Thermal Endurance Comparison: G11 vs. G10 Fiberglass Plates

When comparing how well the G11 fiberglass plate and G10 fiberglass plates hold up against high temperatures, it is clear that the G11 fiberglass plate does better. At temperatures up to 180°C, G11's structure stays strong and its electrical insulation stays in place. G10, on the other hand, stops working around 140°C. You can tell the difference of 40°C because G11's epoxy resin formula has been improved, making it more heat-resistant without weakening it. It is very important for engineering managers and procurement specialists working in areas like power distribution, automotive insulation, and industrial machinery to choose the right material based on its thermal performance. This has a direct impact on the reliability, safety, and operational longevity of equipment in demanding situations.

James Yang

Apr 16, 2026

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Glass Fiber Series

Custom Fabricating G11 Parts for Extreme High-Temperature Environments

James Yang

Apr 15, 2026

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Glass Fiber Series

How Hot Press Machines Ensure Void-Free G10 Epoxy Sheets?

James Yang

Apr 14, 2026

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Glass Fiber Series

The Role of 3240 Epoxy Sheets in High-Voltage Transformers

James Yang

Apr 14, 2026

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Glass Fiber Series

Troubleshooting Delamination in 3240 Epoxy Sheet Drilling

When we machine 3240 epoxy sheet materials, one of the most persistent problems we run into is delamination during drilling operations. The insulation laminate is made of woven glass fabric that is saturated with epoxy resin. It can separate into layers at the edges of holes if the drilling parameters are wrong, the tools are worn out, or the clamps aren't tight enough. The phenomenon weakens both the mechanical integrity and the performance of electrical insulation. It causes quality problems that electrical equipment manufacturers, power equipment builders, and auto part suppliers can't afford. Drilling can be turned from a problematic process into a reliable manufacturing step that keeps the material's high dielectric strength and dimensional stability by figuring out what causes the problems and using tried-and-true solutions.

James Yang

Apr 13, 2026

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Glass Fiber Series

Aerospace Insulation: The Critical Role of G11 Epoxy Sheets

James Yang

Apr 13, 2026

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Glass Fiber Series

From Raw Material to Machined Part: The Epoxy Sheet Supply Chain

James Yang

Apr 10, 2026

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Glass Fiber Series

Sourcing Flame-Retardant (UL94 V-0) Insulation Boards Overseas Safely

James Yang

Apr 10, 2026

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