Blog - JingHong

Phenolic Series

How to Drill or Mill Phenolic Sheets Without Cracking?

Drilling or milling phenolic sheets without cracking requires careful attention to technique and proper tool selection. To achieve clean, crack-free cuts, use sharp, high-speed steel or carbide-tipped tools specifically designed for composite materials. Maintain a slow, steady feed rate and moderate spindle speed to prevent heat buildup. Employ backing boards to support the material and reduce the risk of exit splintering. Cooling the cutting area with compressed air or lubricant can help dissipate heat and extend tool life. For intricate shapes, consider using a CNC router with optimized cutting parameters. By following these best practices, you can successfully drill and mill phenolic sheets while preserving their structural integrity and achieving high-quality results in your projects.

Caroline Jia

Jul 31, 2025

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Glass Fiber Series

What Thickness of FR4 Is Used in Power Electronics?

James Yang

Jul 31, 2025

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Glass Fiber Series

3240 Epoxy Sheet vs Glass Fiber Sheet: Key Differences Explained

James Yang

Jul 31, 2025

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Glass Fiber Series

What Is the Dielectric Strength of FR4 Epoxy Sheet? Explained Simply?

James Yang

Jul 31, 2025

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Glass Fiber Series

Top 5 Electrical Applications of FR4 Epoxy Insulation Boards

James Yang

Jul 31, 2025

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Phenolic Series

Flame Retardant Properties of Phenolic Cotton Sheet

Caroline Jia

Jul 30, 2025

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Phenolic Series

Are CE Phenolic Sheets RoHS and REACH Compliant?

CE phenolic sheets, renowned for their exceptional insulating properties and durability, are indeed compliant with both RoHS (Restriction of Hazardous Substances) and REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) regulations. These compliance standards ensure that CE phenolic sheets are manufactured without the use of hazardous substances, making them safe for both human health and the environment. The rigorous testing and certification processes involved in achieving RoHS and REACH compliance underscore the commitment of CE phenolic sheet manufacturers to producing high-quality, eco-friendly materials. This compliance not only guarantees the safety of these sheets but also enhances their marketability across various industries, particularly in electronics, automotive, and construction sectors where adherence to these standards is paramount.

Caroline Jia

Jul 30, 2025

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Glass Fiber Series

The Fire Retardant Properties of UL94 V-0 Rated Epoxy Sheets

James Yang

Jul 30, 2025

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Glass Fiber Series

G10 Epoxy Sheet: High Strength, Low Absorption - Here’s Why It Matters

James Yang

Jul 30, 2025

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