5mm Carbon Fiber Sheet

A 5mm carbon fiber sheet built for heavy-duty structural applications — machinery bases, load-bearing brackets, and industrial platforms. 12-ply layup with T300-T1000 fiber options. Bolt-through, embedded insert, and bonded joint configurations available. Standard sizes up to 1000×1000mm, custom cuts up to 3m×8m.

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Product Details

Heavy-Duty Structural Performance

A 5mm carbon fiber sheet serves as a heavy-duty structural workhorse rather than a lightweight cosmetic panel. Specifically, at this thickness your board easily replaces 10mm+ aluminum plates in load-bearing applications. Furthermore, it absorbs serious fastener loads without cracking and withstands impacts that would permanently deform standard metals.

Precision Lamination and Consistent Quality

Our 5mm plate contains 12 plies of 3K carbon fiber in a balanced twill layout, pressed at 120°C under controlled pressure to achieve a 60–65% fiber volume fraction. Consequently, this precise ratio guarantees high tensile strength, dependable flexural modulus, and repeatable CNC machining behavior across your entire production run.

Advanced Connection and Integration Options

In addition to thickness, 5mm boards excel in mechanical connectivity. Specifically, you can utilize bolt-through holes, press-fit metal inserts for repeated assembly, and structural joints that effectively transfer loads. Moreover, we offer embedded brass inserts, countersunk holes, and custom drilling patterns as part of our in-house CNC service.

Specifications

Specification Details
Material 3K Toray T300 / T700 / T800 / T1000 carbon fiber
Weave Pattern 2/2 Twill / Plain (optional)
Thickness 5.0mm (±0.05mm)
Layup Layers 12 plies
Max Sheet Size 3000mm × 8000mm
Standard Sizes 500×500mm / 600×600mm / 1000×1000mm
Custom Sizes Available on request
Fiber Volume Fraction 60-65%
Resin System Epoxy (120°C cure)
Surface Finish Matte / Glossy / One-side each
Density 1.55-1.60 g/cm³
Tensile Strength ≥ 3500 MPa
Flexural Strength ≥ 1200 MPa
Operating Temperature -40°C to 120°C
Connection Options Bolt-through / Embedded brass inserts / Countersunk holes / Bonded joints

Applications

  • Heavy machinery bases and mounts — 5mm serves as an entry point for structural carbon in machinery, providing mounting plates for CNC spindles and linear rails.
  • Structural brackets and gussets — When brackets must hold weight without flexing, 5mm plates deliver superior joint strength compared to thinner panels.
  • Vehicle armor panels — These thick panels reinforce lightweight vehicle builds, including race car bulkheads and impact-resistant floor plates.
  • Industrial robotic platforms — Base plates and mounting boards support multi-axis robots while maintaining high positioning accuracy.
  • Marine structural components — Load-bearing deck plates and structural bulkheads benefit from corrosion-resistant composite properties.

Why Choose YTCarbon

  • One plant, full control. We press our own sheets from raw tow and machine every part in-house, eliminating trading intermediaries. As showcased at the 2025 World UAV Expo, we deliver certified factory quality.
  • 3m × 8m max sheet size. We offer one of China’s largest single-piece press capacities, minimizing splice joints for large structural designs.
  • Connection engineering support. We advise on insert types, edge distances, and hole patterns, providing turnkey CNC insert integration.
  • ISO 9001 certified. Independently audited quality management systems provide reliable Material Test Reports on request.
  • No MOQ on standard sizes. We support single prototypes through to mass production volumes with uniform quality standards.

Certifications

Every sheet we ship carries verified quality documentation. Furthermore, our facility operates under ISO 9001 certification, and our materials comply fully with RoHS and CE standards, guaranteeing seamless international compliance.

YTCarbon ISO 9001 RoHS CE certifications for 5mm carbon fiber sheet

How to Order

Working with our direct factory team eliminates middleman markups. Simply submit your requirements—including thickness, size, and CNC specs—to receive a comprehensive quote within 24 hours. Afterwards, we produce, inspect, and dispatch your order securely.

Order process: inquiry to delivery for 5mm carbon fiber sheet

Frequently Asked Questions

+ What fastener options work with a 5mm thick carbon fiber sheet?
Options include bolt-through connections, embedded brass inserts for repeated assembly, or structural epoxy bonding joints.
+ Can I step up to 6mm, 8mm, or 10mm if 5mm isn’t thick enough?
Yes. We produce thicknesses up to 50mm+ with identical fiber options, or we can assist in designing stiffening ribs.
+ How does a 5mm carbon fiber board compare to steel or aluminum for structural use?
A 5mm carbon sheet matches the bending stiffness of a 10mm aluminum plate at roughly one-fourth the weight, offering stiff-to-failure performance.
+ Do you offer CNC machining with embedded inserts for the 5mm sheet?
Yes. We handle CNC machining, drilling, and press-fitting of brass inserts (M3–M6) in a single setup.
+ What’s the lead time for a custom 5mm structural carbon panel?
Standard stock sizes take 3 working days, while custom CNC machining with inserts typically requires 7 to 10 working days.
+ Can I get T700 or T1000 fiber instead of T300 for higher strength?
Yes. T700 provides ~30% higher tensile strength at a moderate price increase, and T1000 serves elite aerospace requirements.

Need a Custom 5mm Carbon Fiber Sheet?

We offer custom sizes, CNC machining with embedded inserts, and multiple fiber grade options. From a single prototype to full production runs — contact us with your requirements.