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Professional FR4, G10, G11 & 3240 Composite Material Manufacturer

High-performance epoxy and phenolic laminated sheets for electronics, insulation, and industrial applications. Trusted by engineers and manufacturers worldwide.

FR4 Material Sheets
FR4 Manufacturing Process

About FR4 Material

Jiujiang Leadcomp Co., Ltd. is a leading manufacturer of high-performance composite materials, specializing in FR4, G10, G11, 3240, and EPGC series laminates. We integrate production, research and development, and deep processing to deliver continuous and effective product solutions for high-end electronic basic materials and special composite applications.

Our business philosophy is rooted in R&D orientation, quality first, and on-time delivery. This has enabled us to grow into one of the most influential enterprises in the epoxy board materials industry, with the widest business scope and global reach.

R&D Oriented
Quality First
On-Time Delivery
Global Export

Our Main Products

We offer a comprehensive range of NEMA-grade and standard-compliant composite materials for electrical insulation, industrial fixtures, PCB reinforcement, and high-temperature applications.

3240 Epoxy Phenolic Sheet

3240 Epoxy Phenolic Sheet

Made of alkali-free glass cloth impregnated with epoxy phenolic resin. High mechanical strength at high temperature, stable electrical performance under high humidity.

3233 Sheet

3233 Sheet

Composite of woven fiberglass cloth and brominated flame retardant with epoxy resin binder. Flame retardant and high dielectric strength.

FR4 Sheet

FR4 Sheet

Widely used in motors, switches, FPC reinforcement, carbon film PCBs, computer drilling pads, and mold fixtures. Excellent insulation and mechanical strength.

G10 Sheet

G10 Sheet

Made of electronic glass fiber cloth impregnated with brominated epoxy resin. High mechanical and electrical performance, ideal for high-end applications.

G11 Sheet

G11 Sheet

Composite of woven fiberglass and brominated flame retardant with epoxy resin binder. Superior heat resistance and arc resistance.

EPGC 201 Sheet

EPGC 201 Sheet

Complies with EU RoHS and SGS standards. Used in high-performance electronic insulation applications requiring environmental compliance.

FR5 Sheet

FR5 Sheet

High mechanical, dielectric, and flame retardant properties. Excellent heat and moisture resistance, suitable for demanding environments.

Anti-static Sheet

Anti-static Epoxy Glass Sheet

Functional composite material designed to prevent static buildup. Ideal for semiconductor and sensitive electronic manufacturing environments.

Why Choose FR4 Material?

We combine innovation, quality, and reliability to deliver materials that meet the highest industrial standards.

Quality Guaranteed

All products meet international standards including RoHS and SGS certifications.

High Performance

Superior mechanical strength, dielectric properties, and heat resistance.

On-Time Delivery

We guarantee delivery timelines to keep your production on schedule.

R&D Focused

Continuous innovation ensures cutting-edge materials for evolving industries.

15+
Years Experience
50+
Countries Served
1000+
Products Available
99.8%
Customer Satisfaction

Frequently Asked Questions

What is FR4 material used for?

FR4 is widely used in printed circuit boards (PCBs), electrical insulation, switchgear, motor components, and structural fixtures due to its excellent mechanical and dielectric properties.

What’s the difference between G10 and G11?

G10 uses brominated epoxy resin and is flame retardant. G11 uses high-temperature curing agents, offering better arc and heat resistance, suitable for high-voltage environments.

Are your materials RoHS compliant?

Yes, products like EPGC 201 fully meet EU RoHS and SGS standards, making them safe for use in environmentally sensitive applications.

Can you customize sheet sizes and colors?

Yes, we offer CNC processing and color sheet options to meet specific customer requirements for size, thickness, and appearance.

Get in Touch

For inquiries, quotes, or technical support, please visit our official website to contact us directly.

Contact Information

  • Email: info@leadcomp.cn
  • Company: Jiujiang Leadcomp Co., Ltd.
  • Address: No.9, Sanbao Road, Export Processing Zone, Jiujiang Developing District, Jiujiang City, Jiangxi Province, China
  • Office Hours: Mon-Fri: 8:00–19:00, Sat: 8:00–14:00, Sun: Closed

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