Product Overview
The Carbon Fiber Aluminum Honeycomb Sandwich Panel is an ultra-premium lightweight structural panel that combines high-modulus carbon fiber reinforced polymer (CFRP) face skins with an aluminum honeycomb core. The carbon fiber skins - typically 3K twill-weave prepreg laminate - provide exceptional tensile strength, surface hardness, and a distinctive high-tech appearance, while the aluminum honeycomb core delivers outstanding compressive strength and shear rigidity at minimal weight.
This panel represents the upper tier of composite sandwich technology: it achieves stiffness-to-weight ratios 5–10× higher than solid aluminum panels and is the material of choice for aerospace interiors, motorsport components, luxury yacht and supercar applications, precision industrial equipment, and architectural features where weight, strength, and visual impact are equally critical.
Key Features & Advantages
- Ultra-high stiffness-to-weight: carbon fiber's specific modulus (~70 GPa·cm³/g) combined with honeycomb core achieves unparalleled structural efficiency.
- Extremely lightweight: 10 mm panel with 0.5 mm CFRP skins weighs only ~ 3.5 kg/m² - 80% lighter than equivalent steel.
- Exceptional flatness & dimensional stability: near-zero thermal expansion of carbon fiber ensures the panel stays perfectly flat across temperature extremes.
- Class A core fire rating: aluminum honeycomb core is non-combustible; the carbon fiber skin exhibits self-extinguishing behavior with appropriate resin formulation.
- Corrosion & fatigue resistant: CFRP does not rust or corrode; excellent fatigue life under cyclic loading.
- Premium aesthetic: visible 3K carbon fiber twill weave creates an iconic high-tech surface - can be clear-coated for gloss or left with a natural satin finish.
- Vibration damping: the composite sandwich construction absorbs mechanical vibration better than monolithic metals.
- Design flexibility: custom layup orientations, core densities, and panel thicknesses for bespoke engineering requirements.
Technical Specifications
|
Parameter |
Specification |
|
Face Skin Material |
Carbon Fiber Reinforced Polymer (CFRP) prepreg, 3K twill weave (standard); 1K, 6K, 12K, UD available |
|
Skin Thickness (per side) |
0.25 mm, 0.5 mm, 0.75 mm, 1.0 mm, 1.5 mm, 2.0 mm, 3.0 mm (multi-ply layup) |
|
Core Material |
Aluminum honeycomb - 3003 / 5052 alloy, foil 0.04–0.06 mm |
|
Core Cell Size |
4 mm, 5 mm, 6 mm, 8 mm, 10 mm (smaller cells for higher compressive strength) |
|
Core Density |
40 kg/m³, 55 kg/m³, 72 kg/m³, 85 kg/m³ |
|
Total Panel Thickness |
3 mm, 5 mm, 8 mm, 10 mm, 12 mm, 15 mm, 20 mm, 25 mm, 30 mm, 40 mm, 50 mm |
|
Standard Sheet Size |
1220 × 2440 mm (4′ × 8′); 1250 × 2500 mm; max 1500 × 4000 mm |
|
Panel Weight (10 mm, 0.5 mm skins) |
~ 3.5 kg/m² |
|
Panel Weight (20 mm, 1.0 mm skins) |
~ 6.5 kg/m² |
|
Flexural Strength |
≥ 250 MPa (dependent on skin thickness and layup) |
|
Flexural Modulus |
≥ 40 GPa |
|
Flatwise Compressive Strength |
1.5–4.0 MPa (dependent on core density) |
|
Surface Finish |
Natural 3K carbon twill (clear-coated gloss / matte / satin); painted (solid colors); film adhesive bonding |
|
Fire Performance |
Core: Class A (non-combustible); Skin with FR resin: self-extinguishing per FAR 25.853 |
|
Service Temperature |
-60°C to +120°C (standard epoxy); up to +200°C (high-temp epoxy / bismaleimide) |
|
Adhesive System |
Epoxy film adhesive (standard); modified epoxy or BMI for high-temperature applications |
|
Customization |
Unidirectional (UD) layup, hybrid fabrics (carbon + Kevlar / glass), embedded inserts, CNC machined features |
Typical Applications
Aerospace: aircraft interior panels, galley structures, overhead bins, partition walls, UAV airframes.
Motorsport & Automotive: racing car floor panels, bulkheads, diffusers, interior trim, supercar chassis panels.
Marine & Yacht: deck panels, bulkheads, console panels, high-speed craft interior fitting.
High-End Architecture: feature walls, reception desks, elevator cabin panels, luxury retail fixtures.
Industrial Equipment: robotic arms, CNC machine tables, optical benches, precision inspection fixtures.
Defense: military equipment cases, radar housing panels, portable shelter structures.
Sports Equipment: high-performance bicycle frames, snowboard cores, racing drone frames.
Packaging & Shipping
Panels are protected with removable PE film on both faces, interleaved with foam sheets, and secured on ISPM-15 fumigated pallets with edge protectors and weatherproof wrap. Custom-sized plywood crates available for thin or delicate panels.
MOQ: 10–30 sheets per specification. Samples (300×300 mm) available.
Lead time: 15–25 working days (standard CFRP + aluminum honeycomb); 25–40 working days for custom layups or high-temperature systems. FOB / CIF shipping available.
Aluminum Honeycomb Carbon Fiber Panel FAQ
Q: 1. What is an aluminum honeycomb carbon fiber panel?
A: An aluminum honeycomb carbon fiber panel is a high-performance lightweight composite sandwich panel consisting of three layers: (1) a top skin of carbon fiber prepreg (woven carbon fiber fabric impregnated with epoxy resin), (2) an aluminum honeycomb core for structural rigidity, and (3) a bottom skin of carbon fiber or aluminum. The layers are bonded under high temperature and pressure in an autoclave or hot press. This combination delivers an industry-leading stiffness-to-weight ratio, making it ideal for aerospace, motorsport, high-end architecture, and precision industrial applications.
Q: 2. What are the standard specifications?
A: Common specifications:
• Total panel thickness: 3mm, 5mm, 8mm, 10mm, 12mm, 15mm, 20mm, 25mm, 30mm
• Carbon fiber skin: 1K, 3K, 6K, 12K twill or plain weave, 0.5–3.0mm thick per side
• Core: aluminum honeycomb, cell size 4mm/6mm/8mm, density 40–120 kg/m³
• Standard panel size: 1220×2440mm, 1200×2400mm, 1000×2000mm (max 1500×4000mm)
• Surface finish: gloss, matte, textured (3D carbon fiber visual), UV-clear coat
• Weight: typically 1.5–5.0 kg/m² depending on configuration
• Bonding adhesive: high-temperature epoxy film (120–180°C curing)
Q: 3. What is the minimum order quantity (MOQ)?
A: The typical MOQ is 10–30 square meters for standard specifications. Custom weave patterns, special thicknesses, or non-standard panel sizes may require 30–50 square meters. High-spec panels with autoclave curing for aerospace-grade applications have separate MOQ requirements. Bulk orders receive tiered pricing. Please provide your technical requirements (thickness, weave type, performance targets, and quantity) for an accurate quotation.
Q: 4. Where are carbon fiber honeycomb panels used?
A: Common applications:
• Aerospace: aircraft interior panels, galley surfaces, overhead bins, partition walls
• Motorsport & automotive: racing car floors, body panels, spoilers, interior trim
• Marine & yachting: luxury yacht bulkheads, deck panels, furniture, instrument panels
• High-end architecture: feature walls, reception desks, elevator interiors, luxury retail displays
• Industrial: CNC machine beds, robotic arms, precision measuring tables, cleanroom panels
• Electronics: server rack panels, EMI-shielded enclosures
• Sports equipment: high-performance bicycle frames, drone bodies, racing shells
Q: 5. What are the advantages over standard aluminum honeycomb panels?
A: ① Significantly higher stiffness: carbon fiber has 5× the specific stiffness of aluminum skins
② Lower weight: carbon fiber skin is lighter than aluminum - 20–30% weight reduction
③ Superior fatigue resistance: carbon fiber does not suffer from metal fatigue over repeated load cycles
④ Zero thermal expansion: carbon fiber has near-zero CTE, maintaining dimensional stability across temperature swings
⑤ EMI shielding: carbon fiber provides inherent electromagnetic interference shielding
⑥ Premium aesthetics: the distinctive carbon fiber weave pattern signals high-tech quality
⑦ Chemical resistance: epoxy-carbon fiber composite resists most acids, alkalis, and solvents
⑧ Vibration damping: carbon fiber composite naturally dampens vibrations better than solid metal
Q: 6. What surface finishes are available?
A: • Gloss clear coat: high-gloss UV-stabilized finish that enhances the 3D depth of the carbon weave - standard for display and architectural applications
• Matte clear coat: non-reflective, fingerprint-resistant finish - popular for interiors and touch surfaces
• Colored carbon fiber: tinted resin or hybrid weaves (carbon/Kevlar) in red, blue, gold, silver
• Forged carbon (marble-look): chopped carbon fiber in random orientation creating a unique marbled pattern
• Textured / non-slip: epoxy surface with embedded grip texture - for flooring and industrial work surfaces
• Custom lacquer: RAL or Pantone color-matched top coat over carbon substrate
Q: 7. Is the panel fire-resistant?
A: The aluminum honeycomb core is Class A non-combustible (GB 8624). The carbon fiber-epoxy skin, being a thermoset composite, has inherent flame-retardant properties and can be formulated with fire-retardant additives to meet FAR 25.853 (aerospace), IMO FTP Code (marine), and EN 13501-1 standards. Standard panels achieve a B1 rating; fire-retardant grades can achieve A2 rating when tested as a complete sandwich assembly. Test reports and material certifications are available for each batch.
Q: 8. What is the typical production lead time?
A: • Standard specification, stock weave: 10–15 working days
• Custom thickness or weave pattern: 15–25 working days
• Aerospace-grade autoclave panels: 20–30 working days
• Large-volume orders: timeline confirmed upon order review
Actual delivery depends on carbon fiber material availability, mold preparation, and curing cycle scheduling. Rush orders may be accommodated. Contact our technical sales team for a confirmed production slot.
Q: 9. How are the panels packaged and shipped?
A: Packaging: Each panel is protected with a peel-off masking film on both carbon fiber surfaces. Panels are separated by PE foam interlayers, stacked on rigid pallets, and vacuum-sealed in moisture-barrier bags. The entire pallet is crated in a reinforced plywood export crate with shock indicators.
Shipping:
• Domestic: air-ride suspension truck for vibration-sensitive shipments
• International: FCL sea freight (20GP/40HQ) or air freight for urgent orders (DAP terms)
Special handling labels (fragile, keep dry, this side up) are affixed. Insurance is recommended and can be arranged. Each shipment includes a QC inspection report and certificate of conformance.
Q: 10. How are carbon fiber honeycomb panels processed and installed?
A: Processing:
• Cutting: CNC router with diamond-coated or solid carbide bits - water-jet cutting also suitable
• Edge finishing: edges can be sealed with epoxy resin, fitted with aluminum edge profiles, or left exposed (raw carbon edge)
• Drilling: use carbide drill bits at high speed with backing board to prevent delamination
• Bonding: structural epoxy or methacrylate adhesives for joining panels
Installation methods:
• Mechanical fastening: countersunk stainless steel or titanium screws through pre-drilled holes
• Adhesive bonding: structural adhesive to sub-frame - concealed fixing for clean aesthetics
• Clip/rail system: aluminum mounting rails bonded or screwed to panel rear - for demountable wall panels
We provide a processing guide with recommended tools, speeds, feeds, and adhesive specifications. On-site technical support is available for complex installations.
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