FR-4 vs G10: Understanding the Differences in Fiberglass Sheets and Garolite

When it comes to industrial and electrical applications, FR-4 Epoxy Fiberglass Sheet and G10 fiberglass stand out as two of the most versatile and widely used materials. Both offer excellent mechanical strength and electrical insulation, but they differ in key areas such as flame resistance, thermal conductivity, and customization options. In this blog post, I’ll break down the differences between FR-4 and G10, covering important properties like garolite g-10/fr4, fiberglass plates, and epoxy resin. Whether you’re looking for G10 sheet near me or need black fiberglass insulation for an industrial project, understanding these materials will help you choose the right one for your needs. Plus, we’ll explore CNC custom processing options for creating specialized parts from FR-4 Epoxy Fiberglass Sheets and G10 blocks, ensuring you get the exact fit for your project.
Key Points:
- Material Composition: Differences between FR-4 and G10 fiberglass in terms of mechanical strength, flame retardance, and electrical insulation.
- Applications: How FR-4 sheets are ideal for PCB fabrication and high-temperature environments, while G10 fiberglass is preferred for structural support and mechanical applications.
- Thermal and Electrical Properties: Comparing FR-4’s superior electrical insulation and flame resistance to G10’s high strength and durability.
- Customization and Fabrication: CNC machining options for both materials, including g10 rods, fiberglass plates, and laminate boards.
- Cost and Availability: Price comparisons and availability of FR-4 epoxy sheets and G10 fiberglass for industrial use.
- Case Study: Real-world example of custom FR-4 Epoxy Fiberglass Sheet parts for an industrial application, emphasizing the importance of CNC custom processing.
Material Composition and Properties: FR-4 vs G10
When comparing FR-4 Epoxy Fiberglass Sheets and G10 fiberglass, the key differences lie in their material composition and how each material performs under various conditions. Both materials are created using a combination of fiberglass and epoxy resin, providing excellent strength and insulation properties. However, the specific characteristics of each make them suited to different industrial and electrical applications.
Composition of FR-4 Epoxy Fiberglass Sheets

FR-4 Epoxy Fiberglass Sheets are primarily known for their exceptional flame resistance. This material is created by bonding layers of fiberglass with epoxy resin, which gives it its signature UL 94 V-0 rating, ensuring that it meets stringent flame-retardant standards. This makes FR-4 an ideal choice for environments where both fire safety and electrical insulation are critical, such as in printed circuit boards (PCBs) and other sensitive electronic components. Additionally, FR-4 offers superb thermal stability, meaning it can perform well even in high-temperature conditions without losing its insulating properties.
Properties of G10 Fiberglass
On the other hand, G10 fiberglass is favored for its superior mechanical strength and durability rather than flame resistance. While G10 shares the basic fiberglass-epoxy resin composition with FR-4, it does not include the flame-retardant additives present in FR-4. This makes G10 ideal for structural components and mechanical applications, particularly in environments where impact resistance and moisture resistance are crucial, such as in marine settings or machinery parts. G10 rods, g10 plates, and g10 blocks are widely used in construction, and its ability to resist wear and tear makes it reliable for long-term use in demanding applications.
Key Differences in Performance
One of the main distinctions between FR-4 and G10 is thermal conductivity. FR-4 has lower thermal conductivity, making it an excellent insulator in electronic applications, while G10 provides better structural support and impact resistance. G10 fiberglass does not offer the same level of flame retardance as FR-4, but it excels in areas where dimensional stability and resistance to environmental factors like moisture are more important. For example, G10 sheets are often used in fiberglass boards for industrial machinery, while FR-4 sheets are more common in the electronics sector where fire safety is paramount.
Applications and Use Cases
FR-4 Epoxy Fiberglass Sheets are primarily used in PCB manufacturing and other high-temperature electrical applications, where fire resistance and electrical insulation are key. In contrast, G10 is widely employed in mechanical components, such as boat boards, fiberglass board sheets, and laminate boards, where strength and durability are more critical than fire safety. Additionally, G10 is known for its ability to withstand extreme conditions without losing its form, making it a popular choice in marine and aerospace applications.
Benefits of FR-4 and G10
The choice between FR-4 and G10 fiberglass largely depends on the intended application. If your project involves electrical components that require high insulation and fire protection, FR-4 is the superior option. However, if the application requires mechanical strength, resistance to wear, and the ability to perform in wet environments, G10 fiberglass is a better fit. Both materials offer custom machining capabilities, allowing businesses to order parts like g10 rods, fiberglass plates, and g10 blocks tailored to their specific needs.
By understanding the material composition and properties of these two essential materials, companies can make better decisions when selecting the right fiberglass for their applications.

Applications of FR-4 Fiberglass in Industrial Settings
FR-4 Epoxy Fiberglass Sheets are widely regarded for their flame retardance and electrical insulation properties, making them indispensable in a variety of industrial applications. From printed circuit boards (PCBs) to heavy-duty machinery, FR-4 offers exceptional performance under challenging conditions. This section will explore some of the primary uses of FR-4 fiberglass in industrial environments, along with the benefits of CNC customization services that allow for precise part fabrication.
Use of FR-4 in Printed Circuit Boards (PCBs)
One of the most common applications of FR-4 sheets is in the manufacture of PCBs, which are foundational components in almost all electronic devices. The electrical insulation provided by FR-4 ensures that different electrical pathways on a PCB remain isolated, preventing short circuits and ensuring reliable performance. Additionally, FR-4 Epoxy Fiberglass Sheets offer a high level of dimensional stability, meaning they maintain their shape and strength even in high-temperature environments.
Given its flame retardance, FR-4 is critical in electronic devices where there is a risk of overheating. It complies with UL 94 V-0 standards, which guarantees that it is self-extinguishing and won’t contribute to the spread of fire, a key safety feature for consumer electronics and industrial equipment.
Industrial Equipment and Machinery Applications
Beyond electronics, FR-4 fiberglass plays an essential role in heavy-duty machinery and other industrial equipment. Its combination of mechanical strength and thermal stability makes it an ideal material for insulating components that generate heat or are exposed to high temperatures. For instance, FR-4 sheets can be used in transformers, motors, and generators, where electrical insulation and heat resistance are paramount.
In these settings, FR-4 provides protection against electrical surges, thermal stress, and environmental factors such as moisture, all while maintaining its structural integrity. Industries such as aerospace, automotive, and manufacturing rely heavily on FR-4 for these reasons.
CNC Customization of FR-4 Parts
To meet the specific needs of industrial applications, FR-4 fiberglass sheets are often customized using CNC machining. This process allows for precise fabrication of parts, ensuring that components such as gaskets, insulators, and mounting plates fit perfectly within complex systems. CNC machining is particularly useful when creating custom FR-4 parts for unique or high-performance equipment, where off-the-shelf solutions may not be sufficient.

By using CNC customization, businesses can request FR-4 parts with specific dimensions, thicknesses, and shapes. This allows for greater versatility and ensures that the parts are tailored to the exact requirements of the application. Whether it’s a high-tolerance PCB insulator or a heat-resistant gasket, CNC machining ensures that the performance of FR-4 Epoxy Fiberglass Sheets is maximized in every scenario.
Benefits of FR-4 for High-Temperature Applications
Industries that operate in high-temperature environments, such as chemical processing and power generation, benefit significantly from the thermal stability of FR-4 fiberglass. Its ability to withstand high heat without losing insulating properties makes it an invaluable material for insulating transformers, industrial switches, and high-voltage equipment. Additionally, its resistance to moisture and chemical corrosion ensures durability in harsh environments.
The combination of fire retardance, electrical insulation, and mechanical durability makes FR-4 an essential material for many industrial applications. Its versatility across a wide range of industries, combined with the ability to customize through CNC machining, ensures that FR-4 fiberglass sheets remain a key component in advancing technology and improving safety in industrial operations.
G10 Fiberglass: Strength and Durability for Mechanical Applications
G10 fiberglass is renowned for its strength, durability, and moisture resistance, making it the material of choice for many mechanical applications. Unlike other materials, G10 excels in environments where structural integrity is paramount and exposure to moisture or chemicals is common. This section will explore why G10 fiberglass is preferred in industries such as manufacturing, marine, and equipment construction, focusing on its resilience and versatility.
Strength and Durability of G10 Fiberglass
G10 fiberglass is composed of layers of fiberglass cloth bonded together with epoxy resin, resulting in a material with exceptional mechanical strength. This strength allows G10 to withstand high impacts and significant stress without cracking or deforming, making it ideal for high-stress mechanical environments. Additionally, G10 maintains its dimensional stability even when subjected to heavy loads, ensuring that parts fabricated from G10 sheets retain their integrity over time.
In many mechanical applications, the ability to resist wear and tear is crucial. G10 fiberglass sheets offer excellent abrasion resistance, which means that even after long periods of use, components made from G10 retain their structural properties. This is particularly important in industries like equipment construction, where machinery is exposed to constant friction and physical stress.

Moisture Resistance and Marine Applications
One of the standout features of G10 fiberglass is its resistance to moisture, which makes it particularly well-suited for marine environments. Unlike other materials that degrade when exposed to water, G10 maintains its strength and durability even in wet conditions. This has led to widespread use of G10 boards and fiberglass plates in the construction of boats, ship components, and other marine equipment. The moisture-resistant properties of G10 help prevent corrosion, swelling, or weakening, ensuring that the material performs reliably in maritime settings.
For example, G10 fiberglass sheets are often used to fabricate boat boards, fiberglass sheeting, and laminate boards for use in hulls and decks. These materials can endure harsh weather conditions, including saltwater exposure, without losing their structural integrity. This moisture resistance makes G10 fiberglass an invaluable material in marine construction, where other materials may not hold up to the demanding environmental conditions.
G10 Fiberglass in Manufacturing and Equipment Construction
Beyond marine applications, G10 fiberglass is widely utilized in manufacturing and equipment construction due to its strength and versatility. G10 rods, G10 blocks, and G10 plates are frequently used in industrial equipment where high-performance materials are required to withstand continuous mechanical stress. The abrasion resistance and wear tolerance of G10 make it an ideal material for parts that experience frequent movement or friction, such as gears, bearings, and gaskets.
Another significant advantage of G10 is its ability to be machined into precise components through CNC machining. The material can be easily shaped into various forms, including custom sizes and complex designs, without losing its durability. This makes it a popular choice for industries that require high levels of customization for their mechanical parts. Whether it’s for creating custom gaskets, insulation panels, or mechanical supports, G10 fiberglass is an excellent option for high-strength, long-lasting components.
Thermal Stability and High-Temperature Resistance
In addition to its strength and moisture resistance, G10 fiberglass exhibits notable thermal stability. It can withstand high temperatures without compromising its structural integrity, which is why G10 is used in equipment construction that requires heat-resistant materials. For example, G10 sheets are used to create insulation panels for heavy machinery and industrial ovens, where exposure to heat is constant.

This combination of thermal resistance and mechanical strength means that G10 is suitable for use in environments where both high temperatures and physical stress are factors. Industries that involve high-temperature processes—such as metalworking or chemical production—often rely on G10 fiberglass to create parts that need to perform under these extreme conditions.
Applications of G10 in Heavy-Duty Machinery
In the world of heavy-duty machinery, G10 fiberglass has become indispensable due to its ability to withstand tough working conditions. Components like G10 rods and G10 plates are commonly used in machinery that requires long-lasting and reliable performance. The impact resistance and abrasion resistance of G10 ensure that machines continue to function efficiently, reducing downtime and the need for frequent part replacement.
G10 fiberglass sheets are also favored for their shock-absorbing properties, which helps to protect sensitive equipment components from damage caused by sudden impacts or vibrations. This makes G10 a preferred material in the construction of vibration-dampening components and other parts that require a balance of flexibility and strength.
By leveraging the strength, durability, and moisture resistance of G10 fiberglass, industries across the board can create more reliable, long-lasting equipment. From marine construction to industrial manufacturing, G10 continues to be an essential material in improving the performance and longevity of mechanical applications.
Thermal and Electrical Insulation: Which is Better, FR-4 or G10?
When choosing between FR-4 Epoxy Fiberglass Sheets and G10 fiberglass, understanding their thermal conductivity and electrical insulation properties is critical. Both materials offer significant advantages, but their performance varies depending on the application. This section will compare their capabilities, highlighting scenarios where FR-4 excels in high-temperature environments and sensitive electronic equipment, and where G10 proves to be more effective in mechanical applications requiring durability.
Electrical Insulation Capabilities of FR-4
FR-4 is widely regarded for its superior electrical insulation properties. Its ability to prevent electrical currents from traveling between conductive components makes it an ideal material for use in printed circuit boards (PCBs) and other electronic devices. This high level of insulation is due to the material’s low dielectric constant and dielectric strength, which allow it to serve as a reliable barrier between electrical pathways.

In sensitive electronic applications, such as industrial control systems and communication equipment, the risk of electrical interference can be detrimental to performance. FR-4 sheets are often chosen for these applications because they offer consistent insulating properties even in high-temperature environments. Furthermore, FR-4 meets stringent safety standards, such as UL 94 V-0, ensuring it will not contribute to fire hazards—a crucial factor when dealing with high-voltage electronics.
Electrical Properties of G10 Fiberglass
While G10 fiberglass also offers excellent electrical insulation, it is generally used in applications where mechanical strength is prioritized over electrical performance. G10 maintains good dielectric strength, but it lacks the flame retardance that FR-4 provides. This makes G10 a suitable choice for mechanical applications where insulation is necessary but the risk of high-voltage failures or fires is lower.
For example, G10 fiberglass rods and G10 boards are commonly used in marine equipment and industrial machinery, where its insulation properties help protect against moisture-related electrical failures, while its mechanical durability ensures long-lasting performance under physical stress. In these cases, G10 provides adequate insulation without the added expense or fire safety features of FR-4.
Thermal Conductivity: FR-4 vs G10
When it comes to thermal conductivity, FR-4 and G10 exhibit different strengths. FR-4 is specifically designed for environments that require thermal stability and fire resistance. Its low thermal conductivity makes it ideal for applications that must limit heat transfer, such as PCBs, where overheating could damage electronic components. In high-temperature environments, FR-4 maintains its insulating properties and does not lose structural integrity, making it a reliable choice for heat-sensitive electronic devices.
On the other hand, G10 fiberglass offers better thermal conductivity compared to FR-4, making it a good option for mechanical parts where some level of heat transfer is acceptable or even desired. G10 sheets are often used in industrial machinery or marine equipment, where strength and heat dissipation are more critical than insulation. For example, G10 blocks and G10 plates can endure heat and mechanical stress while maintaining their structural integrity in high-performance mechanical systems.
High-Temperature Applications: Choosing Between FR-4 and G10
In high-temperature applications, the choice between FR-4 and G10 depends on the specific needs of the system. FR-4 excels in situations where heat resistance is crucial, such as in electronics that operate under extreme heat. Its low thermal conductivity ensures that electrical components are protected from overheating, while its flame retardance safeguards the system from fire risks.
Conversely, G10 fiberglass is better suited for applications where mechanical performance is prioritized over heat insulation. For example, in heavy-duty machinery or marine environments, where strength and durability are key, G10 can handle thermal fluctuations while maintaining its resistance to moisture and mechanical stress.

Electrical and Thermal Insulation in Combined Environments
There are cases where both thermal and electrical insulation are needed, and the decision between FR-4 and G10 becomes more nuanced. In environments where electrical insulation is the top priority and flame retardance is critical, FR-4 is the clear winner. However, when mechanical strength, moisture resistance, and the ability to tolerate heat are more important than electrical performance, G10 fiberglass proves to be a versatile and durable choice.
By understanding the unique properties of FR-4 and G10, industries can select the appropriate material for electronic or mechanical systems, ensuring optimal performance in their specific environments.
Custom Fabrication Options for FR-4 and G10 Materials
When it comes to industrial applications, the ability to customize FR-4 Epoxy Fiberglass Sheets and G10 fiberglass to meet specific requirements is critical. Both materials offer impressive versatility in CNC machining and other custom fabrication services, allowing clients to order parts with unique specifications in terms of thickness, shape, and finish. This section explores the various options available for customizing FR-4 and G10 materials to ensure they meet the demands of complex industrial systems.
CNC Machining for Precision Customization
CNC machining is one of the most effective methods for customizing FR-4 and G10 fiberglass sheets. Using CNC machines, manufacturers can achieve precise tolerances and detailed shapes, ensuring that the final product fits perfectly within the intended application. This process is especially useful for fabricating components like gaskets, mounting plates, and insulating parts, where precision is key to maintaining system integrity.
Both FR-4 and G10 are easy to machine, making them ideal for custom orders that require high accuracy. Clients can request specific dimensions, such as custom-cut g10 blocks or FR-4 plates, that are designed to fit seamlessly into their machinery or electrical systems. Additionally, CNC machining allows for the creation of intricate designs and features, including drilled holes, grooves, and cutouts, further enhancing the versatility of these materials.
Custom Thickness and Shape Options
One of the major benefits of working with FR-4 and G10 materials is the ability to order them in various thicknesses and shapes. For FR-4, this flexibility is essential for applications like printed circuit boards (PCBs), where specific thicknesses are necessary to ensure proper insulation and durability. Similarly, G10 fiberglass can be tailored to fit the unique needs of mechanical components that require a certain thickness for added strength and resilience.
Clients can request FR-4 sheets or G10 plates in standard thicknesses, but custom thickness options are also available for more specialized applications. For example, if a client needs a particularly thick g10 rod for a heavy-duty machine, or a thinner FR-4 sheet for a lightweight electronic device, CNC machining can achieve these specifications with high precision. This ensures that each part is tailored to meet the exact performance requirements of the client’s system.

Custom Finishes for Industrial Applications
Beyond just shape and thickness, custom finishes are also available for FR-4 and G10 fiberglass materials. Clients can choose from a variety of finishes depending on their application needs. For instance, a peel-ply finish might be requested for FR-4 sheets used in aerospace or electronics, where the surface needs to be clean and free from contaminants for bonding. Alternatively, a polished finish might be necessary for G10 fiberglass plates that are used in marine applications, where moisture resistance and smooth surfaces are crucial for performance.
Custom lamination options are also available, allowing clients to request laminate boards that are layered with specific materials to enhance strength, durability, or thermal insulation. These custom finishes ensure that FR-4 and G10 parts not only perform well but also meet aesthetic and functional requirements in highly specialized industries.
Benefits of Customization for Industrial Clients
For industrial clients, the ability to customize FR-4 and G10 materials is invaluable. Whether they need insulating parts for high-voltage equipment, structural supports for marine environments, or custom gaskets for chemical processing systems, the versatility of these materials ensures that they can be adapted to meet specific needs. By offering custom thicknesses, shapes, and finishes, manufacturers can deliver parts that not only fit but also enhance the performance and lifespan of the client’s machinery or electronic systems.
Furthermore, the CNC machining process ensures that each part is fabricated with high accuracy and precision, reducing the risk of misalignment or failure in critical applications. This level of customization guarantees that FR-4 and G10 fiberglass materials remain versatile and reliable choices for industries ranging from electronics to heavy-duty manufacturing.
Collaborating with Manufacturers for Custom Parts
Clients looking for custom FR-4 or G10 parts can work closely with manufacturers to design components that meet their exact specifications. Many manufacturers allow clients to submit CAD drawings or 3D models for custom designs, ensuring that the final product matches the client’s vision. From there, manufacturers can use CNC machining and other fabrication techniques to bring the design to life, producing high-quality parts that fit perfectly within the intended application.

By working directly with a manufacturer, clients can ensure that every detail is taken into account, from the exact dimensions and thicknesses of the materials to the specific finish required for optimal performance. This collaborative approach ensures that FR-4 and G10 fiberglass materials are customized to the highest standards, providing long-lasting and effective solutions for even the most complex industrial applications.
Cost and Availability: Choosing the Right Fiberglass Material
When selecting between FR-4 Epoxy Fiberglass Sheets and G10 fiberglass, cost and availability are key considerations. Both materials offer a range of benefits, but the decision often hinges on the cost-effectiveness and specific industry requirements. This section will explore the factors that influence the price and availability of FR-4 and G10, helping industries decide when to invest in higher-end materials like FR-4 and when G10 is the more cost-efficient option.
Price Differences Between FR-4 and G10 Materials
FR-4 tends to be more expensive than G10 fiberglass due to its enhanced properties, including flame retardance and superior electrical insulation. The production of FR-4 sheets involves additional processing to meet UL 94 V-0 flame retardant standards, which contributes to its higher price. Industries that require fire-resistant materials for electronics, such as PCB manufacturers, find that the higher cost of FR-4 is justified by its critical safety benefits and thermal stability.
On the other hand, G10 fiberglass is generally more affordable because it does not include the same level of flame resistance. G10 is primarily used for mechanical applications where strength and durability are more important than fire protection. For industries such as marine, construction, and heavy equipment manufacturing, G10 sheets offer a cost-effective solution without sacrificing performance. The lower price point of G10 makes it an attractive option for applications where fire hazards are not a concern, but mechanical strength and moisture resistance are essential.
Availability of FR-4 and G10 Fiberglass
Both FR-4 and G10 materials are widely available, but FR-4 tends to be more specialized due to its application in electronics and high-performance industrial equipment. Suppliers often stock a wide variety of FR-4 sheets in different thicknesses and sizes, but because of its specific uses in industries like telecommunications and aerospace, it may not be as readily available as G10 fiberglass in all regions.

In contrast, G10 fiberglass is available in a broader range of commercial applications and is often easier to source. It is stocked by numerous suppliers for mechanical and structural uses, particularly in industries that require abrasion resistance and moisture protection. Whether for boat construction, insulation panels, or high-stress mechanical parts, G10 boards and plates can be found more readily, offering faster lead times for industrial applications.
When to Invest in FR-4 for High-End Applications
Industries that deal with electronics and high-temperature environments benefit greatly from investing in FR-4 Epoxy Fiberglass Sheets despite the higher cost. FR-4’s flame resistance and electrical insulation properties make it indispensable in PCB fabrication, power generation, and aerospace industries where safety and performance are paramount. For companies working in high-stakes environments where equipment failure could lead to dangerous situations or costly downtime, the superior properties of FR-4 justify the investment.
Additionally, industries requiring materials that meet strict regulatory standards, such as telecommunications or medical device manufacturing, will often opt for FR-4 because it complies with stringent flame retardant and electrical insulation regulations. The long-term performance and safety features of FR-4 outweigh the initial cost, ensuring that systems remain safe and operational in critical environments.
G10 for Cost-Effective Mechanical and Structural Applications
For industries focused on mechanical strength, G10 fiberglass offers a cost-effective alternative without compromising on durability. G10 sheets are ideal for structural components, marine applications, and industrial equipment where fire resistance is not required. The moisture resistance and high-impact strength of G10 make it suitable for environments exposed to harsh conditions, such as shipbuilding or industrial manufacturing.
Because G10 fiberglass is more affordable and readily available, industries that need to maintain large inventories of replacement parts or custom fabrications can benefit from its lower price point. Custom parts like G10 rods, g10 blocks, and laminate boards can be produced at a fraction of the cost of FR-4 while still offering high mechanical performance. This makes G10 the material of choice for companies that prioritize strength and cost-efficiency in non-electrical, non-flame-sensitive applications.
Evaluating the Best Option for Your Industry
Ultimately, the decision between FR-4 and G10 depends on the specific needs of your industry. If fire resistance, electrical insulation, and thermal stability are top priorities, investing in FR-4 fiberglass sheets provides peace of mind and compliance with safety standards. However, for industries where mechanical strength, moisture resistance, and cost-efficiency are the primary concerns, G10 fiberglass offers an affordable, durable solution that delivers long-term performance in challenging environments.
By understanding the cost and availability factors of each material, businesses can make informed choices that balance budgetary constraints with performance needs, ensuring that they select the best material for their unique applications.
Looking for customized FR-4 or G10 solutions? Explore our FR-4 and G10 Materials page to see the specifications and benefits of each material, or check out our full selection of FR-4 and G10 products. Need help deciding? Fill out the contact form below, and one of our specialists will guide you to the best solution for your needs!
Frequently Asked Questions: Customizing FR-4 and G10 Fiberglass Materials with OwnPlastics

Customization and material flexibility are key when working with FR-4 Epoxy Fiberglass Sheets and G10 fiberglass for industrial, mechanical, and electronic applications. Below are some of the most common questions related to our customization services at OwnPlastics, from sample customization to batch production, and everything in between.
1. Can OwnPlastics handle custom orders, including both small and large-scale projects?
Answer: Yes, OwnPlastics can undertake any level of customization, whether you need sample customization for prototyping or batch customization for full-scale production. We work with both small projects and large-scale industrial needs, ensuring the same quality and precision in each order.
2. What file formats can I submit for custom designs?
Answer: OwnPlastics accepts a variety of file formats for custom designs, including PDF, CAD, and other common file types. This flexibility ensures that our team can seamlessly translate your designs into fully fabricated FR-4 or G10 parts.
3. Is there a minimum order quantity (MOQ) for custom fabrication?
Answer: No, there is no minimum order quantity (MOQ) required at OwnPlastics. Whether you need a single prototype or a large batch of custom parts, we are equipped to handle your needs without imposing MOQ restrictions.
4. How long does the production process take for custom orders?
Answer: The production cycle for custom orders varies based on the quantity of items ordered and the complexity of the design. We ensure that production schedules are communicated in real time, allowing you to stay informed about the progress of your order. For highly complex processes, our team will update you regularly.
5. Can I request a sample of my custom part before placing a large order?
Answer: Yes, we offer free samples for custom parts. You are only responsible for the shipping costs. This allows you to review the product quality before committing to a larger order, ensuring your project requirements are fully met.
6. What materials can be customized at OwnPlastics?
Answer: OwnPlastics specializes in customizing both FR-4 Epoxy Fiberglass Sheets and G10 fiberglass, but we also work with a range of other industrial materials. Whether you’re looking for fiberglass boards, laminate boards, or G10 rods, we can create parts that meet your specific needs.
7. How precise are OwnPlastics’ customization services?
Answer: Our CNC machining services allow us to offer highly precise customizations for FR-4 and G10 materials. We can work with tight tolerances and intricate designs, ensuring that the final product fits perfectly into your application.
8. What industries can benefit from OwnPlastics’ custom fabrication services?
Answer: Our custom fabrication services cater to a wide variety of industries, including electronics, aerospace, marine, automotive, manufacturing, and more. Whether you need custom parts for printed circuit boards (PCBs) or structural components for heavy machinery, OwnPlastics has the expertise to deliver.
9. Can I submit my design if I need specific features like drilled holes or grooves?
Answer: Absolutely. Our CNC machining capabilities allow us to incorporate specific features like drilled holes, grooves, and custom cutouts. Simply submit your design file, and we will fabricate the part according to your exact specifications.
10. How do I get started with placing a custom order at OwnPlastics?
Answer: Getting started is simple. You can either submit your design files (PDF, CAD, etc.) through our contact form, or reach out to our team directly. We will guide you through the customization process, from material selection to final delivery, ensuring that your project is completed to your satisfaction.
These FAQs aim to provide a comprehensive overview of the customization services available at OwnPlastics. For further inquiries, please feel free to contact us directly, and our team will be happy to assist with your specific requirements.

To wrap up, understanding the key differences between FR-4 Epoxy Fiberglass Sheets and G10 fiberglass is essential for selecting the right material for your specific industrial or mechanical applications. Whether you’re looking for superior flame resistance and electrical insulation with FR-4, or need the mechanical strength and moisture resistance of G10, both materials offer exceptional performance in their respective environments. With custom fabrication services, including CNC machining and the ability to tailor thicknesses, shapes, and finishes, OwnPlastics ensures that every part is precisely crafted to meet your needs. For more information on how we can help with your project, explore our FR-4 and G10 Materials page or check out our full range of products. Feel free to contact us today to start your custom order.
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