EnglishViews: 222 Author: Robert Publish Time: 2025-04-27 Origin: Site
Content Menu
● Understanding Aluminum Composite Panels
● Key Factors Affecting Aluminum Composite Panel Weight Per Square Meter
>> 4. Panel Size and Dimensions
>> 5. Alloy Composition of Aluminum Skins
>> 6. Surface Coatings and Finishes
● How to Calculate Aluminum Composite Panel Weight Per Square Meter
● Additional Influencing Factors
>> 7. Manufacturing Tolerances and Variations
>> 8. Panel Reinforcements and Accessories
>> 9. Environmental Conditions and Aging
● Summary Table: Typical Weight Ranges of Aluminum Composite Panels
● Frequently Asked Questions (FAQ)
>> 1. What is the typical aluminum composite panel weight per square meter for standard 4mm thickness?
>> 2. How does the core material affect the weight of aluminum composite panels?
>> 3. Can aluminum skin thickness be customized to reduce panel weight?
>> 4. How does panel size influence the weight per square meter?
>> 5. Are aluminum composite panels recyclable despite their composite nature?
Aluminum composite panels (ACPs) have become a popular choice in modern architecture and design due to their lightweight, durability, and aesthetic versatility. One of the key considerations in selecting ACPs is understanding their weight per square meter, which affects transportation, installation, structural load, and overall project cost. This article explores the various factors that influence the aluminum composite panel weight per square meter, providing a comprehensive guide for architects, builders, and suppliers.
An aluminum composite panel typically consists of two thin aluminum sheets bonded to a non-aluminum core, usually made of polyethylene (PE), fire-retardant (FR) material, or mineral-filled cores. The combination results in a panel that is lightweight yet strong and resistant to weather, corrosion, and impact.
The overall thickness of the ACP is one of the most significant factors affecting its weight. ACP thickness generally ranges from 2mm to 6mm, with common thicknesses being 3mm and 4mm.
- Thicker panels weigh more because they contain more material in both the aluminum skins and the core.
- For example, a 3mm panel with a polyethylene core typically weighs around 3.8 to 8.5 kg/m² depending on aluminum skin thickness and core density, while a 4mm panel can weigh between 5.5 to 11 kg/m² or more[1][9][14].
Each aluminum sheet's thickness (outer and inner skins) directly impacts the panel's weight.
- Aluminum skin thickness usually varies between 0.21mm to 0.5mm.
- Panels with thicker aluminum skins are heavier but offer greater durability and rigidity.
- For instance, a 4mm ACP with 0.5mm aluminum skins can weigh about 6.0 to 8.5 kg/m², depending on the core type[3][16].
The core material inside the panel is crucial for weight determination:
- Polyethylene (PE) Core: The most common and lightweight core, with panel weights starting from about 3.8 kg/m² for 3mm thickness.
- Fire-Resistant (FR) Core: Contains mineral fillers or special fire-retardant materials, making the panel heavier. For example, a 4mm FR core panel can weigh between 7.5 to 8.5 kg/m² or more[1][8][14].
- Mineral-Filled or Non-Combustible Cores: These cores increase weight further, sometimes up to 14 kg/m² for thicker panels with heavy cores[6][14].
While weight per square meter is a standard measure, the total panel size affects handling and shipping weight.
- Standard panel sizes are typically 1220mm x 2440mm (about 2.98 m² per sheet).
- Larger panels may require thicker or reinforced skins, slightly increasing the weight per square meter.
- Manufacturers may offer different widths (1000mm to 1650mm) and lengths (up to 8000mm), influencing total panel weight[2][3].
The type of aluminum alloy used for the skins affects density and weight.
- Common alloys include AA3000 and AA5000 series.
- Higher alloy content or special alloys may slightly increase the panel weight due to density differences[16][17].
The coatings applied to aluminum skins for protection and aesthetics add a small amount of weight.
- Coatings like PVDF, FEVE, or fluorocarbon paints provide weather resistance and color options.
- Though coatings add minimal weight, they contribute to the panel's durability and maintenance profile[2][12].
To estimate the aluminum composite panel weight per square meter, consider:
Weight per m2=(Weight of aluminum skins)+(Weight of core material)
- Calculate the volume of aluminum skins based on their thickness and density (aluminum density ~ 2700 kg/m³).
- Calculate the volume of the core and multiply by its density (PE ~ 920 kg/m³, mineral core higher).
- Sum both to get total weight per square meter.
Example:
- For a 4mm panel with 0.5mm aluminum skins and PE core:
- Aluminum skins: 2 * 0.0005 m*1m2 * 2700kg/m3 = 2.7 kg
- Core: 0.003m *1m2 *920kg/m3 = 2.76kg
- Total = 5.46 kg/m² (approximate)
- Slight variations in thickness and material density during manufacturing can affect panel weight.
- Quality control ensures weight consistency within ±5% tolerance[8][16].
- Some panels include stiffeners or additional layers for structural strength, which add weight.
- Accessories like protective films, backing primers, or adhesives contribute marginally[7].
- Moisture absorption or temperature changes do not significantly affect weight but can influence panel performance.
- Panels are designed to maintain weight stability over long service life[12].
| Panel Thickness (mm) | Aluminum Skin Thickness (mm) | Core Type | Approximate Weight (kg/m²) |
|---|---|---|---|
| 2 | 0.21 - 0.3 | PE | 3.0 - 4.0 |
| 3 | 0.21 - 0.5 | PE | 3.5 - 8.5 |
| 4 | 0.3 - 0.5 | PE | 5.5 - 7.0 |
| 4 | 0.3 - 0.5 | Fire Resistant (FR) | 7.0 - 8.5 |
| 6 | 0.3 - 0.5 | Fire Resistant (FR) | 10.0 - 14.0 |
The aluminum composite panel weight per square meter is influenced by multiple factors including panel thickness, aluminum skin thickness, core material type, alloy composition, and manufacturing tolerances. Understanding these variables helps architects, engineers, and contractors select the right ACPs for their projects, balancing strength, weight, cost, and durability. Lightweight panels facilitate easier installation and reduce structural loads, while heavier fire-resistant panels provide enhanced safety features. With ongoing advancements in materials and coatings, ACPs continue to offer versatile, efficient solutions for modern building facades and interior designs.
A standard 4mm ACP with 0.5mm aluminum skins and polyethylene core weighs approximately 5.5 to 7.0 kg/m². Fire-resistant cores increase this to about 7.5 to 8.5 kg/m².
The core material significantly affects weight. Polyethylene cores are lightweight, while fire-resistant or mineral-filled cores add density and increase weight, sometimes by more than 30%.
Yes, aluminum skin thickness can be varied (from 0.21mm to 0.5mm) to balance weight and strength. Thinner skins reduce weight but may compromise durability.
Panel size does not change the weight per square meter but affects total panel weight and handling. Larger panels may require thicker skins, indirectly increasing weight per square meter.
Yes, ACPs are 100% recyclable. Aluminum skins can be separated and recycled, and cores like polyethylene can be processed, making ACPs environmentally friendly.
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