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5mm Black Bakelite Sheet – Heat-Resistant Phenolic Insulator for Switchboards & Industrial Use

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SKU: 5:361385#5x250x500mm
Regular price $28.15 | Save $-28.15 (Liquid error (sections/product-template line 227): divided by 0% off)
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5mm Bakelite Insulation Board in Switchboard Use

5mm Black Bakelite Sheet – Heat-Resistant Phenolic Insulator for Switchboards & Industrial Use

5x250x500mm - $28.15
  • 5x250x500mm - $28.15
  • 5x100x100mm - $24.52
  • 5x250x250mm - $26.57

5mm Black Bakelite Sheet – Heat-Resistant Phenolic Insulator for Switchboards & Industrial Use

PRODUCT DETAILS

5mm Black Bakelite Sheet – Heat-Resistant Phenolic Insulation Board for CNC & Electrical Applications

Upgrade your industrial and electrical projects with our 5mm Black Bakelite Sheet, crafted from high-quality phenolic resin to deliver outstanding electrical insulation, thermal resistance, and mechanical durability. Whether you’re building switchboards, insulating high-voltage panels, or fabricating precision CNC components, this board offers the reliability and performance that professionals demand.


Why Choose Our 5mm Phenolic Resin Insulation Board?

Our black Bakelite sheet is a heavy-duty insulation plate designed for high-temperature, high-voltage, and high-performance applications. With precision 5mm (3/16") thickness, this phenolic board is ideal for:

  • Electrical control panels

  • Switchboards & transformers

  • CNC-machined insulator parts

  • Industrial support bases

  • Heat shields & spacers

Engineered with B2B performance in mind, we support custom dimensions, large-quantity orders, and technical guidance, helping you reduce lead time and sourcing costs.


Product Features and Benefits

✔️ Feature – 5mm Bakelite (Phenolic Resin) Sheet
High-quality phenolic laminate with consistent thickness and tight tolerances for precision engineering tasks.

✔️ Advantage – Superior Insulation & Heat Resistance
Rated for excellent dielectric strength and capable of withstanding continuous high temperatures—perfect for demanding electrical and thermal environments.

✔️ Benefit – Reduce Failures & Increase Longevity
With this board’s mechanical stability and thermal resilience, you lower maintenance costs, avoid breakdowns, and protect your systems with confidence.


Available Sizes with Imperial Conversion

Choose from 3 standard formats. All variants are 5mm thick (≈ 3/16"):

  • 5×100×100mm (≈ 3/16" × 4" × 4")

  • 5×250×250mm (≈ 3/16" × 9.8" × 9.8")

  • 5×250×500mm (≈ 3/16" × 9.8" × 19.7")

Need other sizes or thicknesses? We support custom-cut Bakelite boards. Just click below to request your quote.


Technical Specifications

Parameter Value
Material Bakelite (Phenolic Resin)
Thickness 5mm (≈ 3/16")
Color Black
Format Options 100×100mm, 250×250mm, 250×500mm
Electrical Insulation Excellent Dielectric Properties
Heat Resistance ~130°C (continuous)
Machinability Supports CNC, drilling, cutting
Shape Flat rectangular plate
Custom Processing Available upon request

Frequently Asked Questions (FAQ)

Q1: Is this 5mm phenolic board suitable for CNC machining?
Yes, it machines cleanly with CNC routers, drills, and mills. Ideal for making insulator parts, spacers, and panels.

Q2: Can you provide custom sizes or drilled holes?
Absolutely. We support laser cutting, CNC engraving, and fully customized dimensions based on your drawing or specification.

Q3: Is the board heat-resistant and flame-retardant?
Yes. Bakelite is naturally flame-resistant and works in temperatures up to 130°C, making it suitable for thermal barrier applications.

Q4: What is the minimum order quantity for custom work?
There’s no strict minimum. Contact us to discuss your project—we tailor our services to your needs, whether you're prototyping or mass-producing.


What Makes BeePlastic Your Trusted Supplier?

At BeePlastic, we’re not just selling plastic—we’re solving problems for engineers, manufacturers, and sourcing teams worldwide:

  • Over 100 plastic materials available

  • Custom fabrication with laser/CNC/UV services

  • Free standard global shipping

  • 15+ years in industrial plastics supply

  • Dedicated support team & engineering expertise

  • Flexible MOQs & competitive pricing to save your costs

We're committed to making your job easier—with fast response, accurate cuts, and long-term reliability.


Order Now or Request Custom Quote

Ready to Buy?

Choose your preferred size and click "Add to Cart" to order directly. All sheets are precision-cut and safely packed for worldwide delivery.

✂️ Need Custom Size or Machining?

[Contact us now] for a free quote. We offer fast turnaround, engineering consultation, and cost-effective customization—all designed to make your work easier.

Let us handle the cutting, shaping, and technical complexity—you focus on building better systems.

REVIEWS

SHIPPING & RETURNS

Shipping Information

Free Standard Shipping
We offer free standard shipping on all orders. Delivery time is approximately 10-25 business days, depending on your location and carrier performance. Tracking information will be provided once your order is shipped.

Express Shipping Available
Need your order faster? We offer express shipping with delivery in 4-7 business days. Express shipping fees are calculated based on your specific shipping address. To arrange express shipping, please contact our customer service team at beeplastic@beeplastic.com or via WhatsApp before placing your order. Our team will confirm the express shipping cost and process your request.

Processing Time
Standard items: Ships within 1-3 business days
Custom items: Requires 7-10 days production time before shipping

Returns & Refunds Policy

Important Notice: Returns are accepted ONLY for products with quality defects. Non-defective items cannot be returned or refunded.

Standard Items (Non-Customized Products)
Standard items without quality defects are not eligible for return or refund. If you receive a standard item with manufacturing defects or quality issues, you may request a return or replacement within 30 days of receipt.

Custom Items (Made-to-Order Products)
All customized products are NON-RETURNABLE and NON-REFUNDABLE under any circumstances. This includes any items manufactured according to your specific dimensions, shapes, quantities, or specifications. Please carefully verify your requirements before placing a custom order.

Quality Defects - How to Report
If you receive a product with quality defects, please contact us within 7 days of receipt at beeplastic@beeplastic.com. Include your order number, clear photos or videos showing the defect, and a description of the problem. Our quality team will review your case within 24 hours and provide a solution (replacement or refund) if the defect is confirmed.

Damaged During Shipping
Please inspect your order immediately upon delivery. If items are damaged during transit, contact us within 48 hours with photos of the damaged items and packaging. We will arrange a free replacement or full refund at no cost to you.

Non-Returnable Items
The following items cannot be returned: All custom-made products, items without quality defects, products damaged due to improper use or storage, and items returned without prior authorization from our team.

Refund Process
For approved returns, refunds will be processed within 10-15 business days after we receive and inspect the returned item. Refunds will be credited to your original payment method. Please allow an additional 5-7 business days for your bank or credit card company to process the refund. You will receive email confirmation once the refund is issued.

EU 14-Day Cooling-Off Period
For non-customized items shipped to EU countries, you have the right to cancel within 14 days of receipt under EU consumer protection laws. However, this right applies only to items with quality defects. Custom-made items remain non-returnable under all circumstances, as permitted by EU regulations for personalized goods.

Contact Us

For any questions about shipping or returns, please contact our customer service team:
Email: beeplastic@beeplastic.com
Response Time: Within 12 hours

We are committed to ensuring your satisfaction and will work with you to resolve any issues promptly and professionally.

CUSTOM FABRICATION

Can't Find the Right Size or Specification?

If our standard products don't match your requirements, we offer comprehensive custom fabrication services. Whether you need a specific dimension, unique shape, different thickness, or special material grade - we can manufacture it to your exact specifications.

Our Custom Capabilities

Precision Machining:

CNC machining, laser cutting, drilling, milling, and turning with ±0.03mm tolerance. Suitable for complex geometries and tight specifications.

Size Range:

Thickness: 0.5mm - 300mm

Maximum dimensions: 2000mm × 3000mm

Custom shapes: Round, square, rectangular, irregular profiles, holes, cutouts, and complex contours

Available Materials:

HDPE, PTFE, POM, Nylon, PEEK, ABS, PC, PMMA, PP, PVC, and more. Food-grade, conductive, anti-static, and flame-retardant options available.

Processing Methods:

CNC machining, laser cutting, injection molding, thermoforming, welding, and bonding. Multiple finishing options including polishing, sandblasting, and color matching.

Why Choose Custom Fabrication?

Perfect Fit: Parts manufactured to your exact specifications eliminate the need for modifications or adaptations.

No Minimum Order: Whether you need 1 piece for testing or 10,000 pieces for production, we accommodate all order sizes.

Cost Savings on Volume: Bulk custom orders receive 15-30% discount compared to purchasing multiple standard items.

Expert Technical Support: Our engineering team provides free consultation on material selection and design optimization.

Custom Order Process

Step 1: Contact us with your requirements - dimensions, material preferences, quantity, and application details. Technical drawings (PDF, CAD, DWG) are helpful but not required.

Step 2: Receive a detailed quotation within 24 hours including pricing, production lead time, and technical recommendations.

Step 3: Approve the quote and specifications. For complex projects, we can provide samples for testing before full production.

Step 4: Production begins. Typical lead time is 7-15 days depending on complexity and quantity.

Step 5: Quality inspection and shipping. Every custom piece undergoes strict dimensional checks before delivery.

Industries We Serve

Automotive components, food processing equipment, medical devices, laboratory instruments, packaging machinery, semiconductor equipment, industrial automation, and more.

Get Your Custom Quote Today

Don't see the exact size or specification you need? Let us manufacture it for you.


Contact us: beeplastic@beeplastic.com

Response time: Quote within 24 hours

What to include: Material type, dimensions, quantity, and intended application. If you have technical drawings, please attach them. If not, simply describe what you need and our team will assist you.


Not sure about material selection or specifications? No problem - our technical team will guide you through the process and recommend the best solution for your application.

Custom Plastic Fabrication

1pc to 10,000+ | ±0.03mm | No MOQ

🔧
Precision Machining
CNC milling & turning
✂️
Cutting & Engraving
Laser & waterjet cutting
🏭
Forming & Molding
Thermoforming & injection
🔗
Joining & Assembly
Welding & bonding
📐
Design & Prototyping
CAD design & samples

General

HDPE

PP

PVC

ABS

Engineering

POM

Nylon

PC

PMMA

High-Performance

PEEK

PEI

PTFE

Composites

FR-4

G10

Flexible

TPU

Silicone

Why Choose BeePlastic?

🎯
Perfect Fit
Custom specs eliminate adaptation needs
Fast Turnaround
7-15 days typical, express available
💰
Volume Savings
15-30% discount on bulk orders
🤝
Expert Support
Free engineering consultation included
📋
Submit
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Review 2h
💵
Quote 24h
Production
📦
Deliver

Get Quote in 24h

Industries: Automotive • Medical • Food • Lab • Semiconductor

Free consultation → beeplastic@beeplastic.com

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