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FR-4 Material
Manufacturer & Supplier

Professional manufacturer of high-performance FR4, FR5, G10, G11, and copper-clad laminated sheets. Trusted by global electronics, PCB, and industrial engineering sectors for superior dielectric strength, flame resistance, and mechanical durability.

FR4 Epoxy Fiberglass Sheet
Flame Retardant
High Mechanical Strength

Why Choose Us?

As a leading manufacturer of composite materials in China, we integrate R&D, production, and deep processing to deliver reliable, high-quality epoxy-based insulation solutions for advanced electronics and industrial applications.

Quality First

All products undergo strict quality control with consistent dielectric, mechanical, and flame-retardant performance.

R&D Oriented

Innovation-driven approach ensures continuous improvement and customization for evolving industry needs.

On-Time Delivery

We guarantee timely delivery with efficient logistics and production planning to meet your project deadlines.

Our Product Range

NEMA FR Series: FR1, FR2, FR3, FR4, FR5
NEMA G Series: G3, G5, G9, G10, G11
EPGC Standards: 201, 202, 203, 204, 308
Specialty Sheets: Anti-static, CNC-processed, Color-customized

Our Products

High-performance fiberglass epoxy laminates engineered for precision, durability, and electrical safety.

FR4 Sheet

FR4 Epoxy Fiberglass Sheet

  • • Base: Epoxy + Fiberglass
  • • Thickness: 0.1–300mm
  • • Flame retardant, high dielectric
  • • Custom colors available
FR5 Sheet

FR5 Sheet

  • • Higher Tg than FR4
  • • Enhanced thermal stability
  • • Ideal for high-temp PCBs
  • • OEM & custom sizes
G10 Sheet

G10 Glass Epoxy Laminate

  • • High strength & rigidity
  • • Excellent electrical insulation
  • • Resistant to solvents & oils
  • • Used in transformers & motors
G11 Sheet

G11 Sheet

  • • Higher temperature resistance
  • • Moisture & chemical resistant
  • • Superior arc resistance
  • • For demanding industrial use
Copper Clad Laminate

Copper Clad Laminated Sheet

  • • High conductivity
  • • Excellent peel strength
  • • For multilayer PCBs
  • • Custom copper thickness
Color Fiberglass Sheet

Color Fiberglass Sheets

  • • Green, red, yellow, black, white
  • • Custom color options
  • • Same performance as standard
  • • Aesthetic & functional
CNC Fiberglass Sheet

CNC Fiberglass Sheet

  • • Pre-cut & machined parts
  • • High precision
  • • For fixtures & jigs
  • • Fast turnaround
Anti-Static Epoxy Board

Anti-Static Epoxy Board

  • • Prevents ESD damage
  • • For cleanroom & lab use
  • • Surface resistivity: 10⁶–10⁹ Ω
  • • Safe for sensitive electronics

All products available in standard sizes (1020x1220mm, 1220x2440mm) or custom dimensions.

Request Custom Quote

Key Properties

Engineered for performance in demanding environments.

≥80

Tensile Strength (MPa)

High mechanical durability for structural applications.

≥140°C

Glass Transition Temp

Maintains integrity under thermal stress.

UL94 V-0

Flame Retardant

Self-extinguishing, safe for electrical enclosures.

1.97–2.2

Density (g/cm³)

Optimal balance of strength and weight.

Applications

• PCB Testing Frames
• FPC Reinforcement
• Electrical Insulation
• Mold Fixtures
• Switch Components
• Transformer Parts
• CNC Jigs & Fixtures
• Industrial Machinery
• Automotive Electronics

Frequently Asked Questions

What is FR4 material used for?

FR4 is widely used as a base material for printed circuit boards (PCBs), electrical insulation, switch components, and structural parts in motors and electronic equipment due to its excellent dielectric and mechanical properties.

Can I get custom sizes and colors?

Yes. We offer OEM services and can produce sheets in custom dimensions (up to 300mm thick or more) and in various colors including green, red, yellow, black, and white, based on your requirements.

Is G10 the same as FR4?

No. While both are epoxy-glass composites, G10 has higher mechanical strength and better performance in high-moisture environments. G10 is not flame-retardant by default, whereas FR4 contains bromine for flame resistance.

Do you offer CNC processing?

Yes. We provide CNC cutting and machining services for FR4, G10, and other sheets to create precise parts for fixtures, jigs, and industrial components.

Get in Touch

Need a quotation or technical support? Our team is ready to assist you with product selection, customization, and fast delivery.

Email: [email protected]

Address: No. 9, Sanbao Road, Export Processing Zone, Jiujiang Developing District, Jiujiang City, Jiangxi Province, China

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