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Shengyi SF202

Jarnistech > Shengyi PCB > Shengyi SF202
Shengyi SF202 Rigid-flex PCB Board

Shengyi SF202 PCB laminate materials are renowned for their exceptional performance and reliability in the electronics industry. With its unique blend of properties, SF202 offers a superior solution for various applications, ranging from computers and mobile phones to automotive electronics and beyond.

In this article, our primary focus will be on the Shengyi SF202 PCB raw material. Whether you are new to this topic or already have some familiarity with it, rest assured that we will delve into comprehensive details about the Shengyi SF202 PCB raw material, covering its features, properties, applications, and more.

If you aspire to gain expertise and in-depth knowledge on this subject, you have come to the right place. Get prepared, as we will systematically guide you through this topic, step by step.

What is the Shengyi SF202?

The Shengyi SF202 PCB laminate is a high-quality material specifically designed for printed circuit boards, offering a multitude of advantageous properties.

This material boasts excellent soldering reliability, as well as exceptional electrical and mechanical properties. Additionally, it is halogen-free and has a flammability rating of UL94 VTM-0. Furthermore, it is free of PBDE, PBB, Cd, Hg, Pb, and other harmful substances.

In addition to its impressive features, the Shengyi SF202 PCB material is versatile and can be utilized in various applications, including digital cameras, mobile phones, computers, flat panel displays, automotive electronics, instruments and apparatus, VCRs, and more.

Now, let us delve into the specific properties of the Shengyi SF202 PCB material.

Features of the Shengyi SF202 PCB Material

Shengyi SF202 is a type of PCB (Printed Circuit Board) material that offers several features and benefits. Here are the key features of Shengyi SF202:

1.Halogen Free:

Shengyi SF202 is halogen-free, which means it does not contain halogen-based flame retardants. This feature makes it environmentally friendly and compliant with regulations that restrict the use of halogens in electronic products.

2.Excellent Soldering Reliability:

SF202 exhibits excellent soldering reliability, meaning it provides a strong and reliable bond between electronic components and the PCB. This ensures good electrical connections and prevents solder joint failures during the assembly and operation of electronic devices.

3.Excellent Electrical Properties:

Shengyi SF202 offers excellent electrical properties, including low dielectric constant and loss tangent. These properties contribute to improved signal integrity, reduced signal loss, and better overall performance of high-frequency electronic circuits.

4.Excellent Mechanical Properties:

SF202 possesses excellent mechanical properties, such as high tensile strength, flexural strength, and dimensional stability. These properties make it suitable for applications that require durability, resistance to mechanical stress, and the ability to withstand harsh environmental conditions.

5.Chemical Resistance:

Shengyi SF202 exhibits good chemical resistance, which means it can withstand exposure to various chemicals commonly encountered in electronic manufacturing processes or during the operation of electronic devices. This resistance helps protect the PCB from potential damage caused by chemical substances.

Overall, Shengyi SF202 is a high-quality PCB material that offers halogen-free composition, excellent soldering reliability, outstanding electrical and mechanical properties, and chemical resistance. These features make it suitable for a wide range of electronic applications, including telecommunications, consumer electronics, automotive electronics, and industrial equipment.

Performance Characteristics of Shengyi SF202

Here are the performance characteristics of Shengyi SF202 PCB substrate material:

1. Peel Strength: Peel strength refers to the adhesion strength between the copper foil and the substrate material. Shengyi SF202 typically exhibits good peel strength, ensuring reliable bonding between the copper traces and the substrate.

2. Chemical Resistance: SF202 demonstrates good chemical resistance, allowing it to withstand exposure to various chemicals encountered during the manufacturing process or during the operation of electronic devices. This resistance helps protect the PCB from potential damage caused by chemical substances.

3. Electrical Strength: Electrical strength refers to the ability of the material to withstand high voltage without breakdown or insulation failure. SF202 has good electrical strength, ensuring reliable insulation and preventing electrical breakdown under normal operating conditions.

4. Volume Resistivity: Volume resistivity is a measure of the material’s resistance to current flow through its volume. SF202 typically exhibits low volume resistivity, which contributes to efficient electrical conductivity and helps maintain stable electrical performance.

5. Surface Resistivity: Surface resistivity measures the resistance to current flow across the surface of the material. SF202 generally has low surface resistivity, enabling good conductivity and minimizing the risk of surface leakage or electrical interference.

6. Dielectric Constant: The dielectric constant, also known as relative permittivity, measures the material’s ability to store electrical energy when subjected to an electric field. SF202 typically has a low dielectric constant, which is desirable for high-frequency applications as it helps minimize signal loss and maintain signal integrity.

7. Dissipation Factor: The dissipation factor, also known as the loss tangent, measures the energy loss in a material when subjected to an alternating electric field. SF202 typically has a low dissipation factor, indicating low energy loss and efficient signal transmission.

These performance characteristics contribute to the overall reliability, electrical performance, and durability of Shengyi SF202 PCB substrate material, making it suitable for a wide range of electronic applications.

Shengyi SF202 PCB Substrate Material: Application Area

The Shengyi SF202 PCB substrate material is versatile and finds application in various electronic devices and industries. Some of the key application areas for this material include:


SF202 can be used in computer motherboards, graphics cards, memory modules, and other computer peripherals to provide reliable electrical connections and high-performance signal transmission.

2.Mobile Phones:

SF202 can be used in mobile phone circuit boards to ensure reliable connectivity, excellent signal integrity, and resistance to mechanical stress. It helps in the miniaturization and functionality of mobile devices.

3.Digital Cameras:

SF202 can be used in digital camera circuit boards to provide stable electrical connections, support high-speed data transmission, and withstand the mechanical demands of camera modules.


SF202 can be used in video cassette recorders (VCRs) to provide reliable connections between components, support high-frequency signals, and ensure the durability of the circuitry.

5.Flat Panel Displays:

SF202 can be used in the circuit boards of flat panel displays, such as LCDs and OLEDs, to enable high-resolution image rendering, fast response times, and robust electrical connections.

6.Apparatus and Instruments:

SF202 can be used in various electronic apparatus and instruments, including medical devices, test and measurement equipment, industrial control systems, and scientific instruments, to ensure reliable performance, signal integrity, and durability.

7.Automotive Electronics:

SF202 can be used in automotive electronic systems, such as engine control units, infotainment systems, and advanced driver-assistance systems (ADAS), to provide reliable electrical connections, withstand harsh environmental conditions, and support high-speed data transmission.

These are just a few examples of the application areas where Shengyi SF202 PCB substrate material can be used. Its excellent electrical and mechanical properties, soldering reliability, and chemical resistance make it suitable for a wide range of electronic devices and industries.

How to Test Quality and Store for Shengyi SF202 PCB Laminate?

To test the quality of Shengyi SF202 PCB laminate and ensure proper storage, you can follow the guidelines below:

Testing Quality:

1. Visual Inspection: Perform a visual inspection of the SF202 laminate for any visible defects such as cracks, delamination, or uneven surfaces. Ensure that the material meets the specified dimensions and appearance requirements.

2. Mechanical Properties: Conduct mechanical tests to evaluate the material’s strength and flexibility. This may include tests such as tensile strength, flexural strength, and impact resistance. Compare the test results with the specified values to ensure compliance.

3. Electrical Properties: Test the electrical properties of the SF202 laminate, including its dielectric constant, dissipation factor, insulation resistance, and breakdown voltage. Use appropriate testing equipment and compare the results with the specified requirements.

4. Chemical Resistance: Perform chemical resistance tests by exposing the laminate to various chemicals commonly encountered in the application environment. Evaluate the material’s resistance to chemical attack, discoloration, or degradation.


1. Temperature and Humidity: Store the SF202 laminate in a controlled environment with stable temperature and humidity conditions. Ideal storage conditions are typically between 20°C to 25°C (68°F to 77°F) and 40% to 60% relative humidity.

2. Packaging: Ensure that the laminate is properly packaged to protect it from moisture, dust, and physical damage. Use moisture barrier bags or vacuum-sealed packaging to maintain the material’s integrity during storage.

3. Handling: Handle the SF202 laminate with care to prevent bending, creasing, or scratching. Use appropriate handling equipment, such as gloves, to avoid contamination from oils or dirt.

4. Shelf Life: Take note of the laminate’s shelf life, which is typically specified by the manufacturer. Use the oldest stock first to prevent material degradation due to prolonged storage.

5. Inventory Management: Implement an inventory management system to track the quantity, lot number, and storage duration of SF202 laminate. This helps ensure proper rotation and usage of the material.

By following these testing and storage guidelines, you can assess the quality of Shengyi SF202 PCB laminate and maintain its performance characteristics during storage, ultimately ensuring reliable and consistent results in your electronic applications.


Shengyi SF202 PCB laminate materials stand out as a top choice for electronic manufacturers seeking high-performance and reliable solutions. With its excellent peel strength, chemical resistance, electrical strength, volume resistivity, surface resistivity, low dielectric constant, and dissipation factor, SF202 provides a solid foundation for robust and efficient circuit designs.

Whether in computers, mobile phones, digital cameras, VCRs, flat panel displays, apparatus and instruments, or automotive electronics, SF202 excels in delivering superior performance and ensuring the longevity of electronic devices. Trust in the reliability and capabilities of Shengyi SF202 for your next PCB project.

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