You will not be allowed to compare more than 4 products at a time
View compareBlack FR4 G10 Fiberglass Board 300x300mm – Custom Cut Epoxy Sheet
Black FR4 G10 Fiberglass Board 300x300mm – Custom Cut Epoxy Sheet
1920 in stock
Regular price
$39.62 USD
Sale price
$39.62 USD
Regular price
$49.62 USD
Unit price
per
Shipping calculated at checkout.
👀We use free standard shipping by default, customers don't need to pay shipping fee, product details please click below 🔘【Description】 page to view.
🎁 Instant Discount: Get >5% off your entire order – automatically applied at checkout, no code needed! 🎁
🔥 Bulk Savings: Buy 3 or more items and enjoy >15% off – discount applied automatically. 🔥
💡 You’re in Good Hands:
🛒 Safe Payment | 🚚 Global Delivery | 🤝 Fast Replies & Real Help
Share
Couldn't load pickup availability
Estimated delivery: 12-26 days (Standard delivery (free shipping by default)), 3-6 days (Expedited delivery 「Expedited delivery fee required」).
Returnable within 35 days of purchase for quality issues. Duties and taxes are non-refundable.
Guarantee safe and secure checkout
Description
Why Choose Us
Free shipping & Returns
Reviews
Description
Black FR4 G10 Fiberglass Board 300x300mm – Custom Cut Epoxy Sheet for High-Temperature Insulation
High-Strength Black FR4 G10 Epoxy Board for CNC Machining and Electrical Insulation
Looking for a reliable 300x300mm black FR4 G10 fiberglass board that delivers outstanding strength, stability, and heat resistance? Our custom cut epoxy resin sheet is engineered for performance-critical applications such as electrical insulation, heat-resistant structural parts, and precision CNC fabrication.
Made from premium G10-grade fiberglass and flame-retardant epoxy resin, this sheet supports thickness options from 5mm (0.20") to 70mm (2.76"), making it suitable for prototyping, industrial parts production, and OEM replacement components.
Key Benefits of This Black FR4 G10 Fiberglass Sheet
Durable Epoxy Resin Composite with Excellent Insulation Performance
This board features a glass-fiber reinforced epoxy structure that offers:
-
High mechanical strength
-
Excellent dielectric stability
-
Flame retardancy (UL94-V0)
-
Resistance to high temperatures, moisture, and chemicals
Whether you need a heat-resistant CNC machined fiberglass board or an anti-static epoxy sheet for sensitive electronics, this product meets your requirements.
Custom Thicknesses for Flexible Application
Choose from 14 stock thicknesses:
-
5mm (0.20"), 6mm (0.24"), 8mm (0.31"), 10mm (0.39"), 12mm (0.47"), 15mm (0.59")
-
20mm (0.79"), 25mm (0.98"), 30mm (1.18"), 35mm (1.38"), 40mm (1.57"), 50mm (1.97")
-
60mm (2.36"), 70mm (2.76")
Need a different thickness or custom dimension? We support custom FR4 G10 board fabrication to match your exact specifications.
Ideal for Custom Machining Projects
We support:
-
CNC milling and routing
-
Precision engraving
-
Laser cutting and hole drilling
-
Prototyping and low-volume production
Simply send us your drawing or CAD file, and we’ll provide a quote within 24 hours.
Typical Applications of Custom-Cut FR4 G10 Epoxy Sheets
Industrial and Commercial Uses Include:
-
Electrical insulation panels for switchboards and control cabinets
-
Anti-static barriers for electronics manufacturing
-
Wear-resistant mechanical supports
-
Jig plates, fixtures, and high-temp support blocks
-
Custom gaskets, pads, and CNC-cut components
-
Robotics and automation frame parts
-
Chemical-resistant platforms and machine bases
Why Buy from BeePlastic?
✅ Wide Material Variety
We offer 100+ types of plastic and composite materials including FR4, G10, PTFE, POM, and more — perfect for a wide range of industries.
✅ Custom Processing Expertise
Our in-house team provides high-precision CNC, laser cutting, engraving, and finishing. We work with startups, engineers, and large manufacturers.
✅ Dedicated Support
Our engineers review your drawings and recommend the most cost-effective solutions to help you minimize material waste and reduce part costs.
✅ No Minimum Order
Whether you need 1 piece or 1,000 pieces, we support prototyping and small-batch production with the same professional care.
Dimensional Reference – mm to Inch Conversion Table
| Thickness (mm) | Thickness (inch) |
|---|---|
| 5mm | 0.20" |
| 10mm | 0.39" |
| 20mm | 0.79" |
| 30mm | 1.18" |
| 50mm | 1.97" |
| 70mm | 2.76" |
📐 All dimensions are ±0.3mm tolerance by default. Contact us if tighter tolerance is needed.
Frequently Asked Questions (FAQ)
Q1: Can I order this board in a different size?
Yes. While this listing is for a 300x300mm epoxy board, we also support custom sizes, including rectangular, circular, and irregular shapes. Just send us your drawing.
Q2: Is this black FR4 G10 board suitable for high-voltage applications?
Absolutely. It’s designed for excellent electrical insulation performance even in high-voltage or high-temperature conditions.
Q3: How fast can you ship my order?
Standard orders ship in 3–7 business days. Expedited shipping (via DHL/UPS/FedEx) is available upon request.
Q4: Can I get help optimizing my design to save costs?
Yes! Our engineering team works with clients to reduce machining time, material usage, and complexity. This helps minimize your financial cost without sacrificing quality.
🛒 Ready to Order or Need Custom Help?
👉 Buy Now: Select your preferred thickness and quantity to place your order.
👉 Need Custom Cut or CNC Processing? [Contact Us Now] for a free quote.
Why Choose Us
Your Strategic Partner for High-Performance Plastic Manufacturing & Supply
In industries where performance, reliability, and precision are paramount, your choice of a manufacturing partner is a critical decision. For over 15 years, BeePlastic has been the trusted source for engineers and procurement managers who require flawless execution, from complex custom components to a reliable supply of high-grade raw materials.
Engineered for Partnership: How We De-Risk Your Supply Chain
We understand that our role is to provide certainty. Our entire operation is built on a foundation of rigorous processes designed to deliver predictable excellence and give you peace of mind.
A Collaborative Approach
We begin every partnership by becoming an extension of your team. Our mandatory Tri-Departmental DFM (Design for Manufacturability) Summit ensures that your design is not just manufacturable, but optimized for performance, cost, and longevity. This proactive, consultative process, involving our engineering, production, and service leaders, is our upfront investment in your project's success.
A Commitment to Quality
Precision is not a goal; it's our baseline. We hold a standard tolerance of ±0.03mm (±0.0012") on our CNC machined components. This unwavering commitment to quality is verified through stringent, multi-point inspections. For you, this means reduced assembly friction, predictable performance, and the confidence that every part is a perfect replica of your design.
A Complete Manufacturing Ecosystem
We provide a comprehensive suite of in-house manufacturing capabilities, allowing you to streamline your supply chain and ensure consistent quality from a single, trusted partner.
Precision CNC Plastic Machining
As the cornerstone of our operation, we utilize advanced 3, 4, and 5-axis CNC mills and lathes to produce parts with intricate geometries and tight tolerances. From high-performance materials like PEEK and PTFE to engineering plastics like Nylon and Acetal, our experienced machinists and calibrated equipment deliver unparalleled accuracy and surface finish.
Explore Our CNC Capabilities →
Custom Plastic Fabrication & Assembly
Our capabilities extend far beyond machining. Our skilled fabrication department provides a range of value-added services, including heat bending, plastic welding, chemical bonding, and complex assembly. This allows us to deliver not just components, but complete, fully integrated solutions ready for immediate implementation in your product line.
See Our Fabrication Case Studies →Additional Services & Modern Processes
To support every stage of your product's lifecycle, we also offer scalable injection molding for high-volume production, high-detail laser cutting and engraving for materials like Acrylic, and precision cut-to-size services for raw material preparation.
The Engineer's Material Science Hub
Selecting the optimal material is one of the most critical decisions in product design. This comprehensive guide serves as an authoritative resource for you to compare our inventory of over 22 engineering and high-performance plastics. Our team is always available to provide expert consultation to ensure you make the perfect choice for your application's mechanical, thermal, and chemical requirements.
| Material (Click to Explore) | Common Applications | Key Performance Properties | BeePlastic Machining & Fabrication Insights |
|---|---|---|---|
| ABS | Automotive dashboards, electronic housings | Good impact resistance & toughness, easy to machine | Highly versatile and cost-effective. Ideal for prototypes and aesthetic parts. |
| Acrylic | Point-of-sale displays, lenses, light guides | Excellent optical clarity, UV resistant | Perfect for laser cutting to achieve polished edges. We machine for precision optics. |
| Bakelite (Phenolic) | Electrical insulators, terminal boards, jigs | Superior electrical insulation, high rigidity, heat resistant | We use specific tooling to prevent chipping, delivering smooth, precise insulating components. |
| FR-4 / G-10 | PCBs, insulators, high-strength structural parts | High mechanical strength, flame retardant (FR-4), low moisture absorption | Our expertise prevents delamination while machining these abrasive materials. |
| HDPE | Piping systems, cutting boards, chemical tanks | Excellent chemical resistance, high strength-to-density ratio, FDA grades | Ideal for cost-effective, robust parts. We achieve clean cuts with proper tooling. |
| Nylon (PA) | Gears, bearings, rollers, automotive parts | High mechanical strength, good wear resistance | Excellent for durable, load-bearing parts. We can advise on managing moisture absorption. |
| PAI | High-performance seals, bearings, aerospace parts | Exceptional strength & stiffness at high temperatures | Requires robust tooling. Our experience minimizes part stress and ensures accuracy. |
| PC (Polycarbonate) | Safety glasses, machine guards, electronic housings | Extremely high impact resistance, good clarity | We machine PC to be robust and clear. Stress relief annealing is performed when required. |
| PEEK | Aerospace parts, medical implants, semiconductor parts | Exceptional high-temp & chemical resistance, biocompatible grades | A core specialty. Our proven processes achieve critical precision on PEEK components. |
| PEI | Medical components, aircraft interior parts | High strength at elevated temps, flame retardancy | Ideal for sterilizable parts. We manage specific annealing requirements for stress relief. |
| PET | Beverage bottles, food containers, machine guards | High strength & stiffness, excellent clarity (PETG) | We ensure optimal clarity in machined PETG parts, which offer better impact resistance than Acrylic. |
| PI (Polyimide) | Aerospace components, high-temp insulators | Outstanding high-temperature performance | Demands specialized techniques due to hardness & abrasiveness. We ensure tight tolerances. |
| POM (Acetal) | Precision gears, bearings, fuel system components | High stiffness, low friction, excellent dimensional stability | One of the most machinable plastics. We stock various grades for your specific needs. |
| PP (Polypropylene) | Packaging, automotive components, living hinges | Excellent chemical resistance, low density, weldable | A versatile choice for injection molding and CNC machining in cost-sensitive applications. |
| PPS | Automotive under-hood, pump & valve parts | Excellent high-temp & chemical resistance | Challenging to machine due to its abrasive nature. We use appropriate tooling. |
| PTFE | Non-stick coatings, seals, gaskets, chemical liners | Extremely low friction, outstanding chemical inertness | We employ specialized tooling and techniques (like etching for bonding) to achieve results. |
| PU (Polyurethane) | Seals, gaskets, wheels, shock absorbers | Wide range of hardness, excellent abrasion resistance | Machinability varies with type. We have experience with various forms for custom parts. |
| PVC | Pipes & fittings, window frames, chemical tanks | Good chemical resistance, durable, cost-effective | Rigid PVC machines well. We can advise on the appropriate grade for your application. |
| PVDF | High-purity fluid handling, chemical equipment | Excellent chemical resistance (especially to halogens), UV resistant | We ensure no contamination when processing for high-purity applications. |
| Silicone Rubber | Seals, gaskets, O-rings, medical tubing, keypads | Excellent thermal stability, flexible at low temps, biocompatible | Expertise in silicone molding (LSR, compression), die-cutting, and custom compounding. |
| UHMW-PE | Conveyor components, wear strips, food equipment | Exceptional abrasion resistance, low coefficient of friction | We optimize cutting speeds and use sharp tooling to achieve smooth finishes and prevent melting. |
Let's Build Your Next Great Component
Your project deserves a partner dedicated to precision, quality, and proactive communication. Contact our engineering team today to get a detailed, no-obligation quote and discover the BeePlastic difference.
"BeePlastic provided exceptional custom solutions. Their professionalism and quality are unmatched."
- Satisfied Industrial Client
Free shipping & Returns
Reviews
Frequently Asked Questions (FAQ)
Welcome to our FAQ page! Below you’ll find answers to our most commonly asked questions about shipping times, payment methods, returns, and custom plastic orders. If you can’t find what you’re looking for, feel free to [contact us] or request a custom quote.
📧Contact us📧
01 💭When can I ship my order? 🧠What logistics channels do you use? 💡What are the logistics fees?
💭A: Regular specifications are usually shipped within 48 hours; customized orders depending on the complexity of processing, usually 3~7 days.
🧠A: We use standard distribution logistics for free shipping (usually takes 15~25 days), if you use expedited shipping with multiple logistics (DHL, FedEx, UPS, EMS, FS, etc.), you can choose the most suitable way according to your location and needs. If you need expedited, please contact us to confirm!
💡A: We use our standard delivery logistics by default, no freight charge for standard delivery, if you need fast delivery, you need to contact us for confirmation and charge the freight with the actual quotation of the logistics provider, the specific cost needs to be provided with the receiving address and confirmed with the logistics provider and sent to the customer.
02 💡Can I return or exchange an item?🧠 How do I request a return?
💡A: For regular in-stock products, they can be returned or exchanged within 7 days after receipt (need to keep in good condition). Customized processed or plastic material cut products can not be sold twice, unless quality problem, generally do not support return or exchange.
🧠A: If quality problem, please contact us first by email and provide order number, we will give return address and process. The shipping cost will be borne by the buyer, except for quality issues.
03 💡What payment methods are supported? 🧠What if I can't pay? 💭Can I get a discount for large orders?
💡A: PayPal and bank transfer are the main payment methods on our website. If you need other methods, please contact our customer service.
🧠A: If you are unable to pay or need other ways, please communicate with our customer service, you can submit a contact form to our [Contact us] page or click on the right side of the real-time chat window to leave a message.
💭A: Large orders have corresponding discounts, you can directly communicate with our customer service.
04 💭Can't find the size I need, what custom machining do you offer? 💡What are the MOQ requirements?
💭A: We can cut to specified lengths, thicknesses, diameters, and also do preliminary CNC/lathe machining. Please see the customization page or contact us for details.
💡A: There is no minimum order for regular materials. For CNC or special processing, there may be a certain MOQ requirement; please contact us for details.
05 💭How can I track my order?
💭A: You will receive a confirmation email after placing an order, and the waybill number will be attached after shipment; you can also check the logistics news on the “My Orders” page, or enter the waybill number into [https://www.17track.net/] for inquiry.
Precision Plastic Solutions Tailored to Your Needs
Request a Custom Quote
Every project is unique, and so are your material needs. At BeePlastic, we provide custom-tailored solutions to match your exact specifications. Fill out the form below to get a quote for our high-quality plastic materials, cut and shaped to fit your requirements.