Black FR4 G10 Fiberglass Sheet – Flame-Retardant & Insulating Epoxy Plate (1–5mm)

🔧 Industrial-Grade Insulation Boards for Safe, High-Performance Applications

BeePlastic’s Black FR4 G10 Fiberglass Sheets are expertly engineered to meet the demanding needs of electrical insulation, flame resistance, and structural stability. Made from high-quality epoxy resin reinforced with woven glass cloth, this sheet delivers superior mechanical strength, UL94 V-0 fire rating, and high dielectric performance.

Ideal for use in electrical equipment, control cabinets, circuit isolation, and machinery protection layers, these sheets are cuttable, machinable, and customizable—helping you achieve reliable safety and cost efficiency across a wide range of industrial environments.

✅ Key Features of Black FR4/G10 Fiberglass Sheets

• ✴️ Material: Epoxy Resin + Glass Fiber (FR4/G10)

• 🛡️ Fire Retardant: UL94 V-0 rating

• ⚡ Electrical Insulation: Excellent dielectric properties

• 🧱 Mechanical Strength: High stiffness and dimensional stability

• 🌡️ Heat Resistance: Tg ≥130°C, suitable for high-temp environments

• 💧 Moisture Resistant: Performs in humid, industrial conditions

• 🎨 Color: Industrial Black Finish

📐 Available Thickness & Sizes

Thickness options: 1mm / 1.5mm / 2mm / 3mm / 4mm / 5mm
Standard Sizes:
100×100mm (2PCS) / 100×150mm (2PCS) / 150×150mm / 200×200mm / 235×235mm / 250×250mm / 300×300mm / 350×350mm / 400×400mm / 500×300mm

💡 Need special sizes, cut-outs, or drilled holes? Contact us for precise customization based on your drawings!

💼 Common Applications

• Electrical control panels and terminal boards

• PCB base boards and internal insulation layers

• High-voltage insulation plates and switchgear

• Aerospace and defense-grade heat barriers

• Machinery isolation panels and wear-resistant components

• Medical and laboratory electrical casings

🎯 Why Choose BeePlastic?

🧩 We Offer More Than Just Material:

• Variety of Plastics: Over 40+ engineering plastics including FR4, G10, POM, PTFE, HDPE, and more.

• Custom Fabrication: CNC machining, laser cutting, engraving, polishing, bending — we do it all.

• Superior Service: Professional engineer team with 15+ years of experience in industrial plastics.

• We Save You Money: We offer value-added advice to reduce material waste and unnecessary cost.

🛠️ FAB – From Function to Real Customer Value

Feature – Flame-retardant FR4 fiberglass with high rigidity and heat resistance
Advantage – Safe for electrical and mechanical systems requiring insulation under heat
Benefit – Avoid fire risks, improve device reliability, and reduce component failure rates

❓ FAQ – Your Questions, Answered

Q: Can I use this FR4/G10 sheet in high-voltage environments?
A: Absolutely. It offers excellent dielectric strength and thermal endurance, ideal for switchboards, transformers, and PCB backings.

Q: Are custom sizes and machining available?
A: Yes! We support laser/CNC machining, hole drilling, grooving, engraving — just send us your drawings.

Q: What’s the fire safety rating of this material?
A: It meets UL94 V-0 fire-retardant standards, which is ideal for regulated industries like aerospace, automotive, and power distribution.

Q: Do you offer discounts for bulk orders?
A: Yes. Enjoy 5% off for 1 item and up to 20% off for 3+ items automatically at checkout!

📦 Shipping & Guarantee

• Fast global delivery with tracking

• Ships promptly for in-stock items

• 30-day risk-free return policy

• Secure packaging to prevent warping or breakage

🚀 Ready to Order?

🛒 Add to Cart Now – Get premium black FR4 sheets tailored for your project!

📩 Need customization? [Click here to send us your specs or drawings] – Our engineers will assist you with quick quotes and technical support.