What is the density of FR4 sheet?

2024-06-27 10:56 | By: ZTELEC-www.ztelecgroup.com | 54click

What is fr4 sheet?

FR-4 Sheet Material Is Made Of Electronic Grade Fiberglass Cloth And Epoxy Resin, Which Is Suitable For Insulating Structural Components Of Mechanical, Electronic And Electrical Equipment.

What is the density of FR4 sheet?

Qualified fr4 board has a density of 1.850 g/cm3 (0.0668 lb/cu in), The FR in FR-4 stands for “flame retardant,” This value is a standard reference and can vary slightly depending on the specific formulation and manufacturing process.It stands for Flame Retardant 4, which refers to its standard classification in flame retardancy. This combination gives FR4 its notable mechanical strength and electrical insulation properties.and there will be small fluctuations during production, but no major changes.

How about the density of FR4 sheet of ZTelec Group?

The density of fr4 board produced by ZTelec Group can reach 1.800-1.950g/cm3.This is a standard value.

What effect does the density have on the fr4 FR4 sheet？

Within a certain range, high density means that the fr4 board structure is more uniform, reasonable and compact, that is, the quality is better. But this does not mean that the insulation is good. The level of insulation is mainly determined by other factors of the material, such as Breakdown Voltage At Parallel Lamination, Dielectric Loss Factor...

How to ensure the quality of FR4 sheet?

Ensuring the quality of FR4 sheets involves a comprehensive approach that includes several key steps:

1.Raw Material Inspection: It starts with the selection of high-quality raw materials, including glass fibers and epoxy resin. Each batch of these materials should be rigorously inspected to comply with industry standards.

2.Manufacturing Process Control: The manufacturing process should be closely monitored, especially the layering of glass fibers and epoxy resin, to ensure uniformity. The curing process, which is critical for the mechanical and electrical properties of FR4, must be precisely controlled in terms of temperature and pressure.

3.Mechanical and Electrical Testing: FR4 sheets should undergo testing for tensile and flexural strength to verify they meet the required mechanical performance. Additionally, the dielectric constant should be measured to ensure the material’s insulation capabilities are up to standard.

4.Thermal and Chemical Resistance Testing: The material should be tested for thermal resistance through aging tests and for chemical resistance by exposure to various chemicals. This ensures the FR4 maintains its properties over time and in different environments.

5.Dimensional and Visual Inspection: Each sheet should be subjected to dimensional inspections to meet specified tolerances and thickness requirements. Visual inspections can also help identify any surface defects or inconsistencies.

By following these steps, manufacturers can ensure that FR4 sheets meet the necessary quality standards for their intended applications.

First of all we provide free sample service, secondly we have professional testing certificate to ensure the high quality level of the product.

How to get free samples of FR4 sheet?

Contact Manufacturers Directly: Some manufacturers offer free samples of their FR4 sheet parts. For instance, you can contact by calling their provided number or emailing them directly to request samples.

Email Requests: You can send an email to companies like Core FRP at their provided email address to request free samples and learn more about FR4 materials.

Specify Requirements: When requesting samples, be sure to specify the application, quantity, size, color, and any other requirements you have for the FR4 sheet. This will help the supplier understand your needs and provide the most suitable samples.

Remember to include details about your project or the intended use of the FR4 sheets, as this can often help in securing the samples you need.

You just need to send us an e-mail with the application, quantity, size, color and other requirements of the fr4 sheet. In the next step, we will take the initiative to get in touch with you to provide you with sample mailing services.

SEND US EMAIL:sales@ztelecgroup.com