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.
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.
Frequently Asked Questions
+ What fastener options work with a 5mm thick carbon fiber sheet?
+ Can I step up to 6mm, 8mm, or 10mm if 5mm isn’t thick enough?
+ How does a 5mm carbon fiber board compare to steel or aluminum for structural use?
+ Do you offer CNC machining with embedded inserts for the 5mm sheet?
+ What’s the lead time for a custom 5mm structural carbon panel?
+ Can I get T700 or T1000 fiber instead of T300 for higher strength?
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.





