Blog - JingHong

Industry standards

The Complete Guide to FR4 Sheet in 2025

James Yang

Jun 5, 2025

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Industry standards

Which Insulation Sheet Is Best for Precision Components?

James Yang

Jan 20, 2026

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Industry standards

How to Maintain Dimensional Stability When CNC Cutting Insulation Sheets?

James Yang

Dec 31, 2025

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Industry standards

3240 Epoxy Sheet vs. Phenolic Cotton Sheet: Choosing for Electrical vs Mechanical Needs

James Yang

Nov 27, 2025

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Industry standards

FR4 vs Phenolic Paper Sheet: Electrical Insulation Performance

When it comes to electrical insulation in the electronics industry, two materials often come head-to-head: FR4 sheet and phenolic paper sheet. Both have their unique properties and applications, but how do they stack up against each other in terms of electrical insulation performance? FR4, a fiberglass-reinforced epoxy laminate, boasts superior dielectric strength and thermal stability compared to phenolic paper. It excels in high-frequency applications and offers better mechanical properties. On the other hand, phenolic paper sheets are more cost-effective and easier to machine, making them suitable for simpler, low-frequency applications. The choice between these materials ultimately depends on the specific requirements of the application, considering factors such as electrical properties, thermal performance, and cost-effectiveness.

James Yang

Oct 17, 2025

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Industry standards

FR4 vs Phenolic Sheet: Which Material Should You Choose?

When it comes to selecting the ideal material for electrical insulation and printed circuit boards (PCBs), the choice often boils down to FR4 sheets and phenolic sheets. Both materials have their unique strengths and applications, but FR4 generally emerges as the superior choice for most modern electronic applications. FR4's combination of excellent electrical properties, mechanical strength, and flame resistance makes it the go-to material for PCBs and high-performance insulation needs. However, phenolic sheets still have their place in certain low-cost, low-frequency applications. Your specific project requirements, budget constraints, and performance needs will ultimately determine which material is the best fit. Let's delve deeper into the characteristics of both materials to help you make an informed decision.

James Yang

Oct 17, 2025

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Industry standards

G11 vs Fiberglass Sheet: Structural and Electrical Differences

James Yang

Oct 16, 2025

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Industry standards

G11 vs Phenolic Sheet: Which One to Use in Harsh Environments?

James Yang

Oct 16, 2025

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Industry standards

How to Evaluate Insulation Sheet Suppliers for Long-Term Partnerships?

James Yang

Oct 11, 2025

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