Black FR4 G10 Fiberglass Board 300x300mm – Custom Cut Epoxy Sheet

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 1 business day.

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

📐 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.