Specifications of 25mm Aluminum Honeycomb Panel
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Thickness: 25mm (custom thickness available upon request)
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Panel Size: Standard sizes like 1220x2440mm; custom sizes supported
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Core Thickness: Usually 20mm
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Skin Thickness: 0.5mm–1.0mm per face
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Material: 3003 or 5052 aluminum alloy
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Surface Finish: Mill finish, PVDF coating, PE coating, or anodized
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Core Type: Aluminum honeycomb core with hexagonal structure
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Bonding Adhesive: High-strength epoxy or polyurethane glue
Product Features
All panels are manufactured to strict tolerances with consistent quality. Below are the standard options:
| Total Thickness (mm) | External Sheet Thickness (e1) | Internal Sheet Thickness (e2) | Weight (kg/m²) | Rigidity (EI) (kNcm²/m) | Section Modulus (w) (cm³/m) | Thermal Resistance (m²K/W) |
|---|---|---|---|---|---|---|
| 5.5 | 0.5 | 0.5 | 3.62 | 3727 | 2.39 | 0.0065 |
| 6 | 1.0 | 0.5 | 4.97 | 5519 | 2.63 | 0.0063 |
| 10 | 1.0 | 0.5 | 5.19 | 22169 | 4.92 | 0.0074 |
| 15 | 1.0 | 1.0 | 6.78 | 69964 | 13.32 | 0.0084 |
| 20 | 1.0 | 1.0 | 7.05 | 143868 | 20.55 | 0.0089 |
| 25 | 1.0 | 1.0 | 7.32 | 249289 | 28.49 | 0.0093 |
| 30 | 1.0 | 1.0 | 7.49 | 247169 | 33.06 | 0.0099 |
| 40 | 1.0 | 1.0 | 8.13 | 584560 | 41.75 | 0.011 |
Standard Sizes
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Length: 2000mm to 14,000mm (Tolerance: -1 / +6mm)
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Width: 1000mm, 1250mm, 1500mm, 2000mm (Tolerance: -0 / +2mm)
Core Specifications
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Core Type: Aluminum Honeycomb Core
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Alloy: 3005 Series (EN 573-3)
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Cell Size: 3/8″ (9.52mm)
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Foil Thickness: 70 microns
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Compressive Strength: 2 MPa
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Core Density: 54 kg/m³
What Are 25mm Aluminum Honeycomb Panels?
25mm Aluminum Honeycomb Panels are advanced composite materials. They feature a unique sandwich structure: a core of hexagonal aluminum cells, similar to a beehive, bonded between two thin aluminum skins. This honeycomb core design is what gives the panels their incredible strength-to-weight ratio. The “25mm” refers to the total thickness of the panel, including the skins and the core. This specific thickness provides a robust yet manageable panel for many applications.
Key Specifications of 25mm Aluminum Honeycomb Panels
Understanding the specifications helps you choose the right aluminum honeycomb sheet for your needs.
Classification
Our aluminum honeycomb panels come in various classifications based on their application and specific properties. This includes classifications for interior use, exterior cladding, marine applications, and specialized industrial uses, each designed to meet specific performance requirements.
Thickness
The nominal thickness of these panels is 25mm. This standard thickness ensures a good balance between rigidity, insulation properties, and ease of handling. Custom thicknesses may also be available to meet unique project demands.
Panel Substrates and Finishes
The outer skins of the 25mm aluminum honeycomb panels can be made from various aluminum alloys, and can feature different finishes. Common finishes include PVDF (Polyvinylidene Fluoride) coatings for excellent weather resistance and color retention, and PE (Polyester) coatings for interior applications. Anodized finishes and natural mill finishes are also available, providing diverse aesthetic and functional choices for your aluminum honeycomb sheet.
Alloy
The aluminum alloy used for the skins and the honeycomb core is crucial for performance. Typically, high-grade aluminum alloys like 3003 or 5052 are used.
- 3003 Aluminum Alloy: Known for its good workability, corrosion resistance, and strength. It’s a common choice for many general-purpose aluminum honeycomb panels.
- 5052 Aluminum Alloy: Offers superior corrosion resistance, especially in marine environments, and higher strength than 3003, making it suitable for more demanding applications.
Why Choose 25mm Aluminum Honeycomb Panels?
Opting for a 25mm aluminum honeycomb panel brings numerous advantages to any project:
- Lightweight: Despite their size, these panels are incredibly light. This reduces structural load, lowers transportation costs, and makes installation easier.
- High Strength and Rigidity: The honeycomb structure provides exceptional rigidity and resistance to bending and shear forces, making them incredibly strong for their weight.
- Excellent Flatness: Aluminum honeycomb panels offer superb flatness, which is essential for architectural aesthetics and precision applications.
- Fire Resistance: Aluminum is non-combustible, and the panels can be designed to meet strict fire safety standards.
- Corrosion Resistance: The aluminum material inherently resists rust and corrosion, especially when treated with protective coatings.
- Sound and Thermal Insulation: The trapped air within the honeycomb cells provides good insulation properties, contributing to energy efficiency and sound dampening.
- Durability: These panels are built to last, resisting impact, weathering, and fatigue over time.
- Versatility: Easy to cut, shape, and install, they adapt to various design requirements.
Applications of 25mm Aluminum Honeycomb Panels Sheet
The versatility and performance of 25mm aluminum honeycomb panels make them suitable for a vast array of applications across different industries:
- Architecture and Building Construction:
- Exterior wall cladding and curtain walls
- Interior wall panels and partitions
- Ceiling panels and suspended ceilings
- Cleanroom walls and ceilings
- Canopies and awnings
- Column covers
- Transportation:
- Flooring, walls, and partitions in trains, buses, and subways
- Aircraft interiors and components (e.g., galleys, overhead bins)
- Marine vessel interiors and superstructures (e.g., yachts, ferries)
- Truck and trailer body panels
- Industrial Applications:
- Machine covers and enclosures
- Work surfaces and tables
- Elevator car interiors
- Telecommunications shelters
- Clean Room Technology:
- Walls, ceilings, and doors for sterile environments due to their smooth, non-shedding surface and ease of cleaning.
- Furniture and Displays:
- Lightweight tabletops and shelving
- Exhibition booths and display stands
- Signage:
- Large, flat, and durable outdoor and indoor signs.
The Manufacturing Process
The production of 25mm Aluminum Honeycomb Panels involves precise engineering. It typically begins with expanding the aluminum foil into a honeycomb structure. Then, this core is carefully bonded between two aluminum sheets using high-strength adhesives under controlled temperature and pressure. This ensures a strong, uniform, and lasting bond for every aluminum honeycomb sheet.
Maintenance and Care
Maintaining your 25mm aluminum honeycomb panels is straightforward. Regular cleaning with mild soap and water is usually sufficient to preserve their appearance. For coated panels, avoid abrasive cleaners to protect the finish. Their inherent durability means they require minimal ongoing maintenance, contributing to long-term cost savings.
Environmental Benefits
Choosing 25mm aluminum honeycomb panels also contributes to sustainability. Aluminum is a highly recyclable material, and the lightweight nature of these panels reduces energy consumption during transportation. Their long lifespan also minimizes the need for frequent replacements, further reducing environmental impact.
Customization Options
We understand that every project is unique. Our 25mm aluminum honeycomb panels can be customized in terms of:
- Panel Size: Available in various standard and custom dimensions to fit your design.
- Color and Finish: A wide palette of colors and finishes, including metallic, solid, and custom printed options.
- Edge Details: Different edge finishes to suit installation requirements and aesthetic preferences.
What are the disadvantages of honeycomb panels?
While aluminum honeycomb panels offer excellent strength-to-weight ratio and durability, they do have some limitations:
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❌ Higher cost compared to basic solid aluminum or composite panels
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❌ Complex production makes them less available in small-scale markets
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❌ Requires edge sealing to prevent moisture or debris from entering the core
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❌ Difficult repairs – damaged sections are not as easily fixed as solid materials
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❌ Limited flexibility – not ideal for curved or bent applications
What is the difference between aluminum honeycomb panel and aluminum composite panel (ACP)?
| Feature | Aluminum Honeycomb Panel | Aluminum Composite Panel (ACP) |
|---|---|---|
| Core Material | Aluminum honeycomb (hexagonal cells) | Polyethylene (PE) or fire-retardant mineral core |
| Weight | Lighter, with higher stiffness | Slightly heavier |
| Strength | Higher load-bearing capacity | Moderate strength |
| Fire Resistance | Excellent (non-combustible) | Depends on core type (PE is flammable) |
| Applications | Aerospace, architecture, marine, transport | Signage, interior walls, low-rise cladding |
| Cost | Higher | More affordable |
What are aluminium honeycomb panels used for?
Aluminum honeycomb panels are widely used in areas that demand strength, light weight, and durability:
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🏢 Building façades and curtain walls
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🛳 Marine interiors and decks
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🚆 Railway and truck flooring
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🚀 Aerospace components
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🧪 Cleanrooms and lab walls
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🛋 Furniture and decorative panels
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🎨 Photo mounting and displays
How to cut aluminum honeycomb panels?
Cutting aluminum honeycomb panels requires care to avoid damaging the core or surface:
Recommended tools:
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✂️ Table saw or circular saw with a fine-toothed blade (carbide-tipped)
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🧤 Use protective gear – eye protection, gloves, dust mask
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🧼 Clamp the panel tightly to reduce vibration
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💡 Seal exposed edges after cutting using aluminum tape or U-channels to maintain core protection
For precise work, CNC cutting or waterjet cutting is also widely used in industrial settings.