Orange Bakelite Electrical Insulation Board – Phenolic Resin Sheet (1mm–20mm)

Engineered Bakelite Boards for Reliable Electrical Insulation and High-Temperature Resistance

Upgrade your electrical and industrial applications with our orange bakelite insulation boards made from premium phenolic resin. Designed to deliver excellent electrical insulation and heat resistance, these boards are perfect for demanding environments such as power distribution systems, control panels, thermal shields, and custom parts fabrication. Available in over 50 size and thickness combinations, from 100x100mm to 300x300mm and 1mm to 20mm thickness, with custom cutting services available on request.

Key Features of Our Phenolic Insulation Boards

• ✅ Material: Industrial-grade orange phenolic resin (bakelite)

• ✅ Thickness Range: From 1mm to 20mm

• ✅ Sizes Available: 100x100mm, 150x150mm, 200x200mm, 200x250mm, 300x300mm

• ✅ Excellent Electrical Insulation: High dielectric strength and low moisture absorption

• ✅ High Heat Resistance: Withstands temperatures up to 150–160°C

• ✅ Rigid, Durable, Machinable: Ideal for drilling, cutting, and CNC machining

• ✅ Color: High-visibility orange for safety and distinction

Typical Use Cases and Industry Applications

Our orange bakelite sheets are widely used across industries due to their reliable performance and versatility:

• 🔌 Electrical panels and insulation barriers

• ⚙️ Motor base plates and heat-resistant supports

• 🧰 Fixtures, jigs, and custom insulating components

• 🔥 Thermal shields in high-heat environments

• 🛠️ Prototyping and DIY electronic insulation projects

Whether you're a manufacturer, electrical engineer, or hobbyist, these sheets provide long-term value and safety.

Why Choose Custominsul?

At Custominsul, we don’t just sell plastic — we solve problems and save money for our customers.

• 🔧 Wide Selection of Engineering Plastics: From bakelite to PTFE, PEEK, FR4, UHMWPE, and more

• ✂️ Custom Fabrication Services: CNC cutting, laser engraving, punching, polishing — all in-house

• 💬 Expert Engineering Support: Speak with our specialists for material advice or design optimization

• 💰 Value-Driven Approach: We recommend fit-for-purpose, not over-spec’d, materials — helping you reduce cost without sacrificing quality

• 🚀 Fast Response and Reliable Fulfillment: We understand B2B urgency and precision

Available Variants – Choose What Fits Your Project

We currently offer over 50 pre-cut standard sizes, including:

• 100×100×1mm | 100×150×4mm | 150×200×6mm

• 200×250×12mm | 300×300×10mm | 200×200×20mm

Need something not listed? No problem.
👉 Contact us for a custom quote or drawing-based machining service.

Frequently Asked Questions (FAQ)

Q1: Can I request a custom size or hole pattern?
Yes! We support full customization – cutting, drilling, engraving – based on your drawings or samples.

Q2: Is this board suitable for high voltage applications?
Absolutely. Bakelite has strong dielectric properties, making it ideal for electrical insulation up to 20kV depending on application.

Q3: Does the board deform at high temperatures?
No. These boards are engineered to withstand up to 150–160°C. They are stable under most operating conditions in electrical and thermal environments.

Q4: How fast can you ship custom orders?
Usually within 3–5 working days for standard machining; urgent orders can be prioritized.

Q5: Do you offer bulk pricing?
Yes. For orders over 50pcs or for recurring supply, please contact us for a special discount and shipping solution.

Get the Right Sheet for Your Electrical Projects – Fast

🛒 Select your preferred size and thickness above and place your order today.
📐 Need a custom part? Just click [Contact Us] and send your drawing or request — we’ll handle the rest.
🎯 Trusted by professionals worldwide for reliable, cost-effective solutions.