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Fiberglass Epoxy Sheets
21,Oct 2024

FR4 vs G10: Dielectric Properties, Moisture Resistance, and Thermal Stability

Choosing the right glass epoxy laminate for industrial and electronic applications often comes down to a close comparison between G10 and FR4. While both materials offer impressive mechanical strength and electrical insulation, their unique properties cater to different needs. In this post, I’ll break down the key differences between G10 vs FR4, focusing on their dielectric properties, ability to withstand moisture, and performance in high-temperature insulation settings. With flame retardant FR4 being the go-to for printed circuit boards and G10 excelling in aerospace applications, the choice depends on your specific project requirements. Learn how FR4’s UL 94V-0 certification impacts flame resistance, why G10’s mechanical strength holds up under CNC machining, and how both materials are utilized in fiberglass composites and epoxy resin sheets across industries.

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glass epoxy laminate

Understanding the Core Differences Between G10 and FR4 Glass Epoxy Laminates

When delving into the world of glass epoxy laminates, it becomes clear that G10 and FR4 serve as foundational materials within the electronics and aerospace industries due to their robust mechanical and electrical properties. However, the decision between using G10 or FR4 hinges on understanding their distinct characteristics, especially in terms of flame retardancy, mechanical strength, and application suitability.

The Significance of Flame Retardant Additives in FR4

FR4 stands out from its counterpart primarily because it includes flame retardant additives. These additives imbue FR4 with critical properties that make it compliant with the UL 94V-0 standard, which is a benchmark for materials that must self-extinguish after being exposed to a flame. This attribute is particularly vital in environments where fire risk is a concern, such as in the manufacturing of printed circuit boards (PCBs) and other electronic components where safety standards cannot be compromised.

The inclusion of these flame retardants does not just contribute to safety but also enhances the material's suitability for use in high-risk electrical applications, making FR4 a preferred choice in the electronic manufacturing industry. The flame-resistant nature of FR4 ensures that it remains a staple in applications where both high electrical insulation and strict fire safety standards are pivotal.

G10's Excellence in Mechanical Applications

Conversely, G10 lacks these flame retardant properties, which shapes its use in different contexts. Absence of these additives makes G10 less suitable for electronic applications where fire safety is paramount but opens up a plethora of opportunities in areas where high mechanical strength and durability are more critical. G10's robustness makes it ideal for aerospace applications, where materials need to withstand extreme conditions without compromising structural integrity.

G10’s performance in non-flame-sensitive environments is noteworthy, particularly in the aerospace and defense sectors. Here, materials are required to endure rigorous conditions, and G10’s capacity to maintain high mechanical strength under stress makes it an invaluable resource. It is also frequently used in the production of heavy-duty industrial machines and sports equipment, where durability and reliability are key.

Electrical Insulation and Moisture Resistance

Both materials are celebrated for their excellent electrical insulation capabilities, which make them indispensable in electrical and electronic applications. However, the choice between G10 and FR4 often comes down to the specific environmental conditions they will be subjected to. While FR4's flame retardancy is crucial for indoor electronics prone to overheating or fire hazards, G10’s superior moisture resistance makes it suitable for outdoor or marine environments where materials must withstand humid conditions.

Comparing Thermal and Dielectric Properties

In applications where thermal stability is crucial, FR4’s ability to resist fire can significantly impact the longevity and reliability of electronic components operating at high temperatures. Meanwhile, G10’s dielectric strength, which measures its ability to prevent electrical conductivity, makes it suitable for high-voltage applications where insulative properties are a priority.

In summary, the decision to use G10 or FR4 depends largely on the specific requirements of the project at hand. For applications demanding stringent fire resistance and thermal stability, FR4 is the unequivocal choice. Conversely, for projects requiring superior mechanical strength and durability, particularly where flame retardancy is not a concern, G10 offers an unparalleled advantage. Understanding these nuances allows engineers and designers to select the most appropriate material to meet the exacting demands of their applications, ensuring both safety and functionality.

G10 or FR4

Dielectric Properties of G10 vs FR4: Which Offers Better Electrical Insulation?

The dielectric properties of materials like G10 and FR4 are critical when selecting the appropriate laminate for electronic and electrical applications. Both materials offer high levels of electrical insulation, but their dielectric strength—which is the maximum electric field a material can withstand without breaking down—varies slightly, influencing their specific uses in different industries.

What Is Dielectric Strength and Why Does It Matter?

Dielectric strength is a crucial factor in selecting materials for electronic applications, particularly in high-voltage environments. This property measures a material’s ability to act as an insulator by preventing electrical currents from passing through it. The higher the dielectric strength, the more effective the material is at withstanding high electric fields without experiencing electrical breakdown.

For instance, FR4 and G10 are both widely used in printed circuit boards (PCBs) due to their excellent insulation capacity. However, their respective dielectric strengths make them suitable for different scenarios within the electronics industry.

FR4: Superior Dielectric Properties for High-Voltage Applications

FR4, with its flame retardant additives and high dielectric strength, is typically used in high-voltage environments where safety is paramount. Its ability to resist electrical breakdown makes it an ideal material for printed circuit boards (PCBs), especially in applications that require both electrical insulation and thermal stability.

FR4’s dielectric strength typically ranges between 19 kV/mm and 24 kV/mm, depending on the thickness and processing of the laminate. This makes FR4 the preferred choice in high-voltage electronics and power distribution systems where preventing electrical discharge is critical to maintaining safety and functionality.

G10: Strong Electrical Insulation Without Flame Retardancy

While G10 also offers excellent dielectric properties, it falls slightly behind FR4 in terms of electrical insulation capacity. G10 typically has a dielectric strength of around 19 kV/mm, which is sufficient for many electronic applications but does not provide the same flame-resistant protection as FR4.

That said, G10 excels in applications where flame retardancy is not required but mechanical strength is critical. Its dielectric properties still make it highly suitable for use in electrical enclosures, insulators, and non-flame-sensitive electronics where moisture resistance and toughness are important factors. Industries such as aerospace and industrial machinery often favor G10 for its durability combined with its adequate electrical insulation.

Applications in PCBs and Electrical Systems

The difference in dielectric strength between G10 and FR4 means that FR4 is often the go-to material for printed circuit boards (PCBs), especially in high-voltage applications. In contrast, G10 finds more frequent use in lower-voltage systems or applications where mechanical durability outweighs the need for flame resistance.

Both materials can be CNC machined into intricate parts for electrical systems, but when it comes to electrical insulation in high-risk environments, FR4's superior dielectric properties provide the necessary edge. However, in situations where cost and mechanical properties are more important, G10 remains an excellent alternative.

Choosing Between G10 and FR4 for Electrical Insulation

Ultimately, the decision between G10 and FR4 comes down to the specific electrical insulation needs of your project. If your application demands a material that can withstand high-voltage and offers flame resistance, FR4 is the clear winner. However, if you are working on a project that values mechanical strength and cost efficiency, and does not require flame retardant properties, G10 is a robust alternative that still provides solid electrical insulation.

Both materials excel in their respective roles, but FR4's dielectric strength and thermal stability make it the industry standard for printed circuit boards and electronic components that need to operate safely under extreme conditions.

FR4's dielectric strength

Moisture Resistance in Industrial Laminates: How G10 and FR4 Perform Under Humidity

When selecting industrial laminates like G10 and FR4, one of the most important factors to consider is their moisture resistance. Both materials have excellent water absorption resistance, but they perform differently under varying environmental conditions, especially in high-humidity environments. Understanding the moisture absorption rates of these materials is critical to ensuring they perform optimally in your application.

Water Absorption Rates of G10 and FR4

G10 and FR4 both exhibit low water absorption rates, which makes them excellent choices for electrical insulation and mechanical applications in environments where moisture exposure is likely. However, they have slight differences in how they handle prolonged exposure to water and humidity.

G10, which is known for its mechanical strength and structural integrity, has a water absorption rate of around 0.10% to 0.15%. This low rate ensures that G10 remains dimensionally stable and retains its high tensile strength, even in damp environments. However, since G10 lacks flame retardant additives, it is best suited for dry conditions or environments where the risk of fire is minimal.

On the other hand, FR4 has a slightly higher moisture absorption rate, typically around 0.15% to 0.20%, but it offers superior performance in humid environments due to its flame retardant properties. FR4 maintains its electrical insulation capacity and mechanical strength even when exposed to high levels of moisture, which makes it the preferred choice for applications like printed circuit boards (PCBs) and electrical insulation in high-humidity or wet environments.

G10’s Durability in Dry Conditions

In dry environments, G10 stands out due to its superior mechanical strength and resistance to wear and tear. This makes it an ideal material for structural components and mechanical parts that need to endure high levels of stress without being compromised by moisture. The low water absorption of G10 ensures that it remains dimensionally stable, even over extended periods, making it a popular choice for aerospace applications, defense systems, and heavy-duty industrial machinery.

Additionally, G10’s mechanical properties make it highly suitable for applications where flame retardancy is not a concern, but where humidity resistance is still necessary. Its high moisture resistance ensures that it does not swell or degrade when exposed to damp conditions, making it a reliable material for outdoor equipment and machinery that may come into contact with moisture.

FR4’s Stability in Humid Environments

When it comes to humid environments, FR4 excels due to its ability to resist moisture absorption while maintaining flame resistance. FR4 is specifically designed for applications where both electrical insulation and flame retardancy are critical. This makes FR4 the preferred choice in high-humidity applications like marine electronics, power distribution systems, and printed circuit boards (PCBs).

Even when exposed to high levels of moisture, FR4 retains its high dielectric properties and thermal stability, ensuring that electronic systems remain safe and operational. Its moisture resistance also prevents electrical breakdown, making it ideal for industrial laminates used in wet or humid settings where flame resistance is necessary.

High-Temperature and Humidity Endurance

Both G10 and FR4 have excellent performance in high-temperature environments, but FR4’s flame retardant additives give it an edge when dealing with both high humidity and elevated temperatures. FR4’s thermal stability allows it to function effectively in electronics and high-temperature systems, where maintaining insulation and fire safety are crucial. Its ability to withstand both heat and moisture without losing structural integrity makes it a reliable material for long-term applications in humid environments.

Conversely, G10 is better suited for dry, high-temperature conditions, where moisture resistance is important but flame retardancy is not a requirement. G10’s mechanical strength and low water absorption make it a valuable material for environments where impact resistance and toughness are prioritized over fire safety.

Applications Where Moisture Resistance is Critical

Industries that operate in wet environments, such as marine and outdoor industrial equipment, often turn to FR4 for its combination of flame resistance and moisture endurance. Printed circuit boards and other electronic components rely on FR4’s superior dielectric properties, which remain stable in high-humidity situations. For mechanical applications requiring strength and durability, G10 is often the material of choice in environments where humidity may be present but fire resistance is not required.

Both G10 and FR4 offer excellent moisture resistance, but the decision between the two materials ultimately depends on the specific requirements of the project, such as whether flame resistance is necessary and the environmental conditions the materials will face.

Water Green Epoxy Plate – FR4 Fiberglass Sheet

Thermal Stability: High-Temperature Performance of G10 vs Flame Retardant FR4

Thermal stability is a crucial factor when selecting industrial laminates like G10 and FR4, especially in applications where high temperatures are a constant challenge. Both materials are known for their mechanical strength and electrical insulation properties, but they perform differently under varying temperature ranges. Understanding their distinct heat resistance and thermal endurance helps in making the right material choice for high-temperature applications.

High-Temperature Performance of G10: Superior Mechanical Stability

G10 is renowned for its mechanical stability under high temperatures. Composed of glass cloth and epoxy resin, G10 maintains its structural integrity even when exposed to extreme heat. This makes it an excellent choice for high-impact mechanical applications such as aerospace components, defense equipment, and heavy-duty industrial parts.

One of the key advantages of G10 is its ability to withstand high heat without losing its mechanical strength. While G10’s flame resistance is not as robust as FR4, it offers thermal endurance in non-flame-sensitive environments, performing well at temperatures up to 140°C (284°F). This makes G10 a reliable material for applications where high mechanical stress and heat resistance are essential, but where fire retardancy is not required.

Flame Retardant Properties of FR4 and UL 94V-0 Certification

FR4, in contrast, is specifically designed to perform in high-temperature environments where fire safety is a concern. Thanks to its flame retardant additives, FR4 meets the UL 94V-0 certification, which ensures that the material is capable of self-extinguishing when exposed to flames. This certification makes FR4 the preferred choice in high-risk environments like electrical insulation, printed circuit boards (PCBs), and high-temperature electronics where both fire safety and thermal stability are critical.

FR4’s thermal performance is impressive, with a working temperature range similar to G10 but with the added benefit of flame retardancy. FR4 can also endure temperatures up to 140°C (284°F), but its flame-resistant properties allow it to operate safely in applications where heat and fire hazards are prevalent.

Thermal Endurance and Heat Resistance

Both G10 and FR4 have excellent heat resistance and are capable of maintaining their mechanical and electrical properties at high temperatures. However, FR4 is the better option in environments where fire resistance is mandatory, as its UL 94V-0 certification ensures compliance with fire safety standards. This makes FR4 a superior choice for electronic components and industrial applications where thermal stability and fire resistance must work hand in hand.

In applications where high temperatures are present but flame retardancy is not a concern, G10 excels due to its toughness and mechanical endurance under heat. The material is particularly useful in industries where impact resistance and heat stability are more important than fire protection, such as in industrial machinery, aerospace, and defense applications.

Applications That Demand High Thermal Stability

In the world of industrial laminates, FR4 is frequently chosen for applications like printed circuit boards (PCBs) in electronics, where high thermal stability is required alongside fire safety. Its ability to withstand both heat and flame hazards makes it a valuable material in power distribution and high-temperature environments.

G10, on the other hand, shines in environments where high mechanical performance under heat is required without the need for flame retardancy. This makes G10 an excellent material for structural components, mechanical insulators, and machinery parts where heat resistance is necessary, but fire hazards are less of a concern.

Both materials exhibit strong thermal performance, but their flame resistance capabilities distinguish them for use in specific industries. While FR4’s UL 94V-0 certification offers the reassurance of safety in high-temperature, fire-prone environments, G10 continues to deliver exceptional mechanical stability under high heat for heavy-duty applications.

Black FR4 Fiberglass Sheet Under Light

Applications of G10 and FR4: From Aerospace to Electronics

Both G10 and FR4 are widely used in various industries, including aerospace, electronics, and mechanical engineering, due to their specific thermal, mechanical, and dielectric properties. While both materials are classified as glass epoxy laminates, their unique attributes make them better suited to different environments and applications. Below, I’ll explore the primary industries where these materials excel and why they are chosen for specific roles.

G10 in Aerospace and High-Impact Applications

G10 is highly regarded in the aerospace industry because of its superior mechanical strength and durability under extreme conditions. Its ability to maintain structural integrity at elevated temperatures, combined with its lightweight nature, makes it an excellent choice for aerospace components that need to withstand high mechanical stress while minimizing weight. This balance of toughness and low weight is critical in aerospace applications, where performance and safety are paramount.

The high tensile strength of G10, combined with its resistance to wear and tear, also makes it suitable for parts subjected to mechanical loads, such as brackets, insulating plates, and structural components in aircraft and spacecraft. Additionally, G10’s moisture resistance makes it ideal for environments where condensation or exposure to moisture is a factor, such as in the upper atmosphere or space missions where environmental conditions fluctuate drastically.

FR4 in Electronics and Electrical Insulation

In contrast, FR4 finds its primary use in the electronics industry, particularly in the production of printed circuit boards (PCBs). Its flame retardant properties, certified by the UL 94V-0 standard, make it essential in high-risk environments where fire safety is critical. **FR4’s combination of excellent electrical insulation and flame resistance allows it to safely carry electrical currents without compromising the system's integrity under high temperatures.

FR4’s dielectric properties are a key reason why it is the material of choice for PCBs. Its high dielectric strength ensures that electrical signals can pass through circuits without interference, making it a reliable material for consumer electronics, telecommunications equipment, and power distribution systems. Furthermore, FR4’s moisture resistance adds to its appeal for electronic applications in humid environments or where moisture exposure is likely, such as marine electronics or industrial equipment.

Thermal and Dielectric Properties for Industrial Applications

In industrial applications, both G10 and FR4 are used for their excellent thermal stability and dielectric properties. However, the decision to use one material over the other depends on whether flame retardancy is required. G10’s superior mechanical strength and heat resistance make it suitable for machinery components, insulation in motors, and structural parts in high-stress environments. Its ability to maintain dimensional stability at high temperatures and resist wear makes it a go-to material for machined parts and insulators in industrial settings.

FR4, on the other hand, is widely used in electronic components where both electrical insulation and fire safety are needed. Its thermal endurance and flame resistance make it an ideal material for industrial laminates that need to operate safely at high temperatures while maintaining electrical performance. FR4 is often used in power generation systems and high-voltage equipment, where heat dissipation and fire resistance are critical to maintaining operational safety.

Fiberglass Composite in Electronics and Mechanical Engineering

Both G10 and FR4 are classified as fiberglass composites, but their specific properties make them valuable in different engineering disciplines. In electronics, FR4’s glass fiber reinforcement ensures that it can handle high voltages while preventing electrical breakdowns, making it indispensable for circuit boards and electronic insulation. The material’s ability to withstand high temperatures and humidity further enhances its use in complex electronic systems.

In mechanical engineering, G10’s fiberglass composite structure provides impact resistance and dimensional stability under stress. These qualities are important in the manufacturing of mechanical components, where structural reliability is key. G10’s CNC machinability makes it ideal for custom parts in both prototype development and mass production.

CNC Machining of G10 and FR4 for Custom Parts

One of the standout features of both G10 and FR4 is their compatibility with CNC machining, allowing for the precise cutting and shaping of custom components. CNC machining ensures that G10 and FR4 can be tailored to specific design requirements, making them versatile for industries that need custom insulators, mechanical parts, and electrical components. For G10, this machinability is often applied in producing high-strength parts for aerospace and defense. Meanwhile, FR4 is machined for electronic insulation and PCBs.

This machinability also allows manufacturers to optimize material usage, reduce waste, and create components with precise tolerances, enhancing the performance and reliability of the final product in both electronic and mechanical applications.

FR4 Epoxy Resin Board Used in Industrial Applications

CNC Machining: Why G10 and FR4 Are Perfect for Precision Manufacturing

Both G10 and FR4 are highly machinable glass epoxy laminates, making them excellent choices for CNC machining. Their combination of mechanical strength, dimensional stability, and durability enables them to be crafted into high-precision components across various industries. Whether you need parts for electronic systems, aerospace applications, or industrial machinery, the machinability of G10 and FR4 allows for the creation of detailed, custom parts that meet stringent performance requirements.

CNC Machining for High-Precision Parts

CNC machining plays a critical role in modern manufacturing, offering unmatched precision and repeatability for both simple and complex geometries. In the case of G10 and FR4, CNC techniques like milling, cutting, and forming are essential to producing components with tight tolerances. These materials are designed to be compatible with high-speed CNC milling, allowing manufacturers to create intricate shapes without sacrificing material integrity.

The machinability of laminates like G10 and FR4 makes them ideal for high-precision parts in electronics and mechanical systems. By using CNC machines, manufacturers can achieve consistent dimensions, smooth finishes, and accurate cuts, ensuring that parts fit perfectly into the assembly.

CNC Cutting and Forming for Electronics and Mechanical Components

In electronic applications, CNC cutting of FR4 is particularly important for producing printed circuit boards (PCBs). The process involves precise cutting of the laminate into the desired shape and size, creating the foundation for electrical circuits. CNC machining allows for detailed etching, drilling, and cutting of complex patterns, ensuring the accuracy required for PCB manufacturing.

Similarly, G10 is commonly CNC machined into insulators, brackets, and mechanical components. Its high mechanical strength and impact resistance make it perfect for creating parts that need to endure mechanical loads and harsh conditions. CNC forming and milling techniques allow for the creation of custom G10 parts with precise tolerances, making it a favorite in aerospace and industrial applications.

Machinability of Laminates: Advantages of Precision Milling

One of the greatest advantages of CNC precision milling is the ability to create parts with minimal material waste while achieving consistent results. G10 and FR4 laminates can be machined to exact specifications, enabling manufacturers to produce high-precision parts quickly and efficiently. The dimensional stability of these materials ensures that they maintain their shape throughout the machining process, resulting in components that are both accurate and durable.

Additionally, CNC machining reduces the need for manual intervention, leading to lower production costs and faster turnaround times. The ability to work with G10 and FR4 using CNC milling or laser cutting also enhances the overall machinability of these materials, making them highly versatile for a range of applications in electronic insulation, mechanical engineering, and aerospace.

Customization Through CNC Machining

CNC machining not only ensures precision but also enables the customization of G10 and FR4 parts for specialized uses. Whether you need custom shapes, sizes, or finishes, CNC techniques allow manufacturers to tailor components to exact requirements. For example, FR4 sheets can be cut to specific dimensions for PCB applications, while G10 can be machined into brackets and insulators that fit unique designs in high-stress mechanical environments.

By employing advanced CNC techniques like routing, drilling, and turning, manufacturers can create highly customized components from G10 and FR4, enhancing the performance of products in electronics, aerospace, and industrial systems.

CNC Machining G10 vs FR4: Key Considerations

While both materials are highly machinable, there are some key differences in how they perform under CNC processes. FR4 requires more attention during machining due to its flame retardant properties, which can affect cutting speeds and tool selection. However, its excellent electrical insulation and thermal stability make it indispensable in applications like high-voltage electronics.

On the other hand, G10 offers superior machinability for mechanical components due to its high mechanical strength and impact resistance. CNC milling of G10 allows for intricate detailing without compromising the material’s structural integrity, making it a go-to material for heavy-duty applications.

Both G10 and FR4 benefit greatly from CNC machining, ensuring precision, efficiency, and customization for a wide range of industrial and electronic applications.

Need high-quality FR4 or G10 sheets for your next project? We’ve got you covered! Reach out today by completing the contact form below to get expert advice or a quote. You can also browse our full collection of FR4 and G10 Fiberglass Epoxy Sheets to find the perfect match for your application.

FR4 Fiberglass Sheet – Different Angles

Frequently Asked Questions About G10 and FR4 Customization at BeePlastics

1. Can BeePlastics handle custom orders for both G10 and FR4 materials?

Yes, BeePlastics offers complete customization for G10 and FR4 epoxy glass fiber laminates, including both sample customization and batch orders. Whether you need a small run of custom parts or a large production order, we can accommodate your needs with precision.


2. What file formats does BeePlastics accept for custom CNC machining projects?

BeePlastics accepts a wide variety of file formats to ensure compatibility with our CNC machining services. We work with formats such as PDF, CAD, and other industry-standard design files, allowing us to deliver accurate and detailed parts based on your designs.


3. Is there a minimum order quantity (MOQ) required for custom G10 or FR4 parts?

No, there is no minimum order quantity (MOQ) at BeePlastics. We understand that some projects may require only a few custom parts, while others involve large-scale production. We cater to both, providing flexibility based on your specific project needs.


4. How long is the production cycle for customized G10 and FR4 parts?

The production cycle at BeePlastics depends on the complexity of the design and the order size. We tailor our production schedule to meet your specific requirements and will communicate with you in real time about the progress of your order, ensuring that you’re updated at every stage of the process.


5. Can I request a sample of G10 or FR4 materials before placing a bulk order?

Yes, BeePlastics provides free samples of G10 and FR4 materials. However, the customer is responsible for shipping costs. This allows you to evaluate the material before committing to a larger order, ensuring it meets your specifications.


6. Does BeePlastics offer batch customization for G10 and FR4 materials?

Absolutely! BeePlastics specializes in batch customization for both G10 and FR4 materials. Whether you require a small batch or a large production run, our manufacturing process is designed to handle orders of any size while maintaining high quality.


7. What industries typically use BeePlastics' customized G10 and FR4 parts?

Our customized G10 and FR4 parts are widely used in various industries, including aerospace, electronics, automotive, and industrial machinery. The combination of high mechanical strength, thermal stability, and electrical insulation makes these materials ideal for a broad range of applications.


8. How can I ensure that the custom part I order will meet my exact specifications?

BeePlastics employs precise CNC machining and offers real-time communication throughout the production process to ensure that your custom G10 or FR4 parts meet your exact specifications. We also work with your submitted CAD or PDF files to ensure accuracy from design to final product.


9. What is the maximum size of custom G10 or FR4 sheets BeePlastics can produce?

BeePlastics can accommodate a variety of sheet sizes for custom orders. We offer flexibility in sizing, and depending on your project requirements, we can work with you to determine the most suitable dimensions for your custom G10 or FR4 sheets.


10. How do I place a custom order for G10 or FR4 materials at BeePlastics?

To place a custom order, you can visit our CNC Machining Center page to explore the options. Simply fill out the contact form with your project details, upload your design files, and we will get back to you promptly with a tailored quote. You can also explore our FR4 and G10 Epoxy Glass Fiber Sheets for more information on our products.

FR4's dielectric strength
🎉🎉🎉Limited Time Offer Use code: QR4GNY08SHVR at checkout and enjoy a special discount on your entire order! 👉 FR4 fiberglass plastic

Choosing between G10 and FR4 depends on your project’s specific requirements, such as thermal stability, mechanical strength, and flame retardancy. FR4 offers superior flame resistance and is the ideal choice for electronic components like PCBs due to its UL 94V-0 certification. Meanwhile, G10 excels in mechanical applications requiring durability and dimensional stability under high-stress conditions, especially in industries like aerospace and industrial manufacturing. No matter the application, both materials provide excellent electrical insulation and can be customized to meet the exact needs of your project. For those seeking precision and versatility, our CNC machining services allow for the creation of high-quality, custom parts from both materials. If you're ready to explore the best option for your project, visit our FR4 and G10 Epoxy Glass Fiber Sheets or CNC Machining Center today!

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