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Aluminum Honeycomb Panel

Industrial Aluminum Honeycomb Panels for Exterior Cladding and Transportation Interiors

 

Aluminum honeycomb panels are lightweight sandwich composite structures. They consist of two aluminum alloy skin sheets bonded to a hexagonal aluminum foil core using structural adhesives under heat and pressure. These panels offer high strength, extreme surface flatness, and non-combustible performance. They are used in high-rise building facades, transit interior partitions, cleanroom systems, and marine structures.

 

 
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Category Overview
 
 
 

Architectural Exterior Panels:

Built with 0.8mm to 1.0mm 3003-H14 or 5052-H34 aluminum skins coated with 70% PVDF resin. Designed to resist wind pressure and UV degradation on building exteriors.

 
 

Acoustic Perforated Panels:

Built with CNC micro-perforated front skins (hole diameter 0.5mm to 2.5mm, open area 10% to 25%) and backing fleece. Achieving Noise Reduction Coefficient (NRC) ratings from 0.75 to 0.90.

 
 

Cleanroom Modular Panels:

Built with flat, dust-free powder-coated surface skins and closed edge profiles. Designed for easy cleaning and resistance to chemical disinfectants.

 
 

Marine and Transit Panels:

Built with marine-grade 5052-H34 or 5083 alloys and certified structural glues. Fully compliant with IMO fire and toxicity standards for ship interiors and train bulkheads.

 

 

Product Specifications

 

 

Performance Parameter

Standard Value

Test Standard

Panel Density

3.5 to 7.5 kg/sqm (10mm to 25mm total thickness)

ASTM C271

Compressive Strength

1.5 to 3.2 MPa

ASTM C365

180 Degree Peel Strength

>= 130 N.mm/mm

ASTM D903

Fire Reaction Rating

Class A2-s1, d0 / Class A

EN 13501-1 / ASTM E84

Operating Temperature

-40 deg C to +90 deg C

Factory Thermal Cycle Test

 

Scratch-Resistant PET Honeycomb Panel

 

Materials

Aluminum Alloys:
Skins: 3003-H14 for standard architectural panels; 5052-H34 for high structural strength and marine corrosion resistance.
Core: 3003-H18 or 5052-H18 aluminum foil (Foil thickness: 0.04mm, 0.05mm, 0.06mm, 0.08mm).
Adhesive Systems: Two-component structural polyurethane or epoxy film glue. Cured under continuous heat (120 deg C to 150 deg C) and uniform roller pressure to ensure complete bonding.

 

Surface Coating Options:
PVDF (Fluorocarbon): 2-coat or 3-coat system (>= 28 microns) for outdoor weather resistance (AAMA 2605 standard).
FEVE: High-gloss finish with high UV protection.
Anodized: Architectural Satin, Bronze, or Black anodizing (Class I, 18 microns film thickness).
Powder Coating: Durable polyester or epoxy coating for indoor decorative uses.

 

Applications
 

Architectural Exterior Facades:

Replaces solid aluminum plates and ACM panels on high-rise building walls. Reduces overall structural weight while resisting wind loads up to 5.0 kPa.

Rail Transit Interiors:

Used for ceiling panels, sidewalls, and luggage shelves in trains and subways. Meets EN 45545-2 (HL2/HL3) safety standards for fire, smoke, and toxicity.

Cleanroom Modular Walls:

Lightweight wall and ceiling panels for electronics labs and pharmaceutical clean rooms. Smooth surfaces allow easy cleaning and fast installation.

Marine Bulkheads and Furniture:

Used inside commercial ships, passenger ferries, and yachts to meet IMO Resolution A.653 fire safety standards without adding excessive ship weight.

 

 

OEM and Custom Processing Capabilities

We manufacture panels according to your project CAD drawings, DXF files, and technical specifications.
[ Step 1: CAD Drawing Check ]
|
[ Step 2: CNC Routing & Milling ]
|
[ Step 3: Edge Folding & Corner Welding ]
|
[ Step 4: Panel Lamination & Assembly ]
|
[ Step 5: Final QC & Inspection ]

 

Factory Processing Options
5-Axis CNC Machining: Precise routing, cutting, hole drilling, and corner notch cutting (Tolerance: +/- 0.2mm).

 

Edge Processing Options:
Open Edge: Standard cut edge for frame insertion.
Folded Edge: Top skin is folded 90 degrees or hemmed back to cover core edges cleanly.
Extrusion Insert: Aluminum extrusions are bonded inside the edge for direct screw fixing.
Hardware Insertion: Pre-installed rivets, threaded blind nuts, corner brackets, and hanging clips installed at the factory before shipping.

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Quality Control and Testing

Every production batch undergoes strict checks for adhesive bond strength, coating thickness, and dimensions before packing.
[ Raw Materials ] --> Check Alloy Grade and Foil Thickness
|
[ Core Production ] --> Test Core Node Weld Strength
|
[ Thermal Pressing ] --> Control Temperature, Pressure, and Time
|
[ Finished Panel ] --> Test Peel Strength, Flatness, and Color Delta E

 

Quality Check

Test Method / Standard

Pass Criteria

Peel Strength

ASTM D903 (180 Degree Peel Test)

>= 130 N.mm/mm (No glue layer failure)

Flatness

Laser Gauge Check

Deviation <= 1.0mm per meter of panel length

Coating Thickness

Thickness Gauge (ISO 2360)

PVDF >= 28 microns; Anodized >= 18 microns

Color Match

Spectrophotometer (CIELAB)

Delta E <= 1.0 against approved color sample

Fire Performance

EN 13501-1 / ASTM E84

Class A2-s1, d0 / Flame Spread Index <= 25

 

Packaging and Delivery

We use reinforced packaging to protect panel surfaces, edges, and corners during sea freight and road shipping.

[ Protective Film ] --> [ Interleaving Foam ] --> [ Edge Guards ] --> [ Wooden Box ]

1

Surface Protection:

80-micron PE film applied on the primary surface (UV resistant for 6 months outdoor use without residual glue).

2

Panel Interleaving:

Soft foam sheets placed between panels to prevent surface scratches.

3

Wooden Crates:

Sealed fumigated plywood boxes (ISPM-15 compliant) with inner corner guards and waterproof wrapping.

4

Container Loading:

Crate sizes are optimized for 20GP, 40GP, and 40HQ container dimensions to maximize space and prevent cargo movement during transit.

 

FAQ

 

 

Q: What is the difference between 3003-H14 and 5052-H34 aluminum skins?

A: 3003-H14 is an aluminum-manganese alloy with good flexibility, corrosion resistance, and structural strength. It is the standard choice for general building cladding and interior ceilings. 5052-H34 is an aluminum-magnesium alloy offering higher tensile strength and better resistance to salt spray and marine environments. We recommend 5052-H34 for coastal building exteriors, ship bulkheads, and heavy transportation parts.

Q: How do you prevent panel delamination (separation of glue layer)?

A: We control three key manufacturing factors:
Chemical Treatment: Aluminum skins undergo chromate conversion cleaning to remove surface oils and oxides before gluing.
Adhesive Quality: We use structural polyurethane or epoxy films designed for high peel strength.
Curing Control: Lamination occurs under continuous thermal pressing lines with strict controls on temperature, pressure, and time.

Q: What options are available for panel edge sealing?

A: We offer four edge processing methods:
Folded Edge: Front skin is folded 90 degrees or turned back to cover core edges completely.
Extrusion Insert: Aluminum extrusions are glued inside the perimeter during lamination for direct mechanical mounting.
Sealant Edge: Edges are filled with silicone or polyurethane sealant for cleanroom environments.
Open Edge: Direct cut edge for insertion into perimeter framing systems.

Q: What fire rating certificates do your aluminum panels hold?

A: Because panels consist mainly of aluminum sheets and core foil with low organic glue content, they are classified as non-combustible materials. They comply with:
EN 13501-1: Class A2-s1, d0 rating.
ASTM E84: Class A rating (Flame Spread Index <= 25, Smoke Index <= 50).
IMO FTP Code: Compliant with marine fire safety standards for bulkhead materials.

Q: Can aluminum honeycomb panels be curved for shaped architecture?

A: Yes. Panels can be cold-bent or shaped on CNC machines. For tight curves or complex 3D shapes, the back skin and honeycomb core are routed along bending lines using a 5-axis CNC router, allowing the front skin to bend smoothly. We produce cylindrical, conical, and curved panels based on project CAD drawings.

Q: What are the maximum panel dimensions for ocean container shipping?

A: Our standard maximum width is 1500mm, with custom production up to 2000mm. The standard maximum length is 6000mm. To fit standard 40-foot ocean containers efficiently (internal length about 12,032mm), we recommend panel lengths up to 5800mm. This leaves enough room for export wooden packaging and loading clearance.

We're well-known as one of the leading aluminum honeycomb panel manufacturers and suppliers in China, also support custom service. Please feel free to wholesale high quality aluminum honeycomb panel made in China here from our factory. For more information, contact us now.

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