3004 aluminum foil is an alloy of aluminum that offers a combination of strength, durability, and good corrosion resistance. It is a popular choice for a variety of applications where higher strength than the 3003 alloy is required, but still maintains many of the same properties such as formability and resistance to environmental factors.
Technical Specifications
| Parameter | Description |
|---|---|
| Alloy | 3004 |
| Chemical Composition (%) | Al ≥ 96.5, Mn 1.0-1.5, Mg 1.0-1.5, Fe ≤ 0.7, Cu ≤ 0.05, Si ≤ 0.6, Zn ≤ 0.1, Ti ≤ 0.15, Others ≤ 0.05 |
| Temper | O (Soft), H14, H16, H18 |
| Thickness Range | 6 – 100 μm (commonly 9 / 12 / 15 μm) |
| Width | Customizable |
| Surface Finish | Bright / Matte / Coated |
Description
Features
- Corrosion Resistance
3004 aluminum foil offers excellent resistance to corrosion, especially in humid, marine, and industrial environments. It is often used in applications where exposure to moisture or chemicals is a concern.
- Strength
3004 provides higher strength than the 3003 alloy due to the addition of manganese and magnesium, making it more suitable for applications that require greater structural integrity.
- Formability
It is highly formable and can be easily shaped into different products, including packaging materials, insulation, and other flexible materials.
- Weldability
3004 is known for its good weldability, which makes it suitable for applications where welding is required.
- Thermal Conductivity
It retains good thermal conductivity, making it a reliable material for heat exchangers, cooling systems, and electrical applications.
- Printable
Its surface is printable, allowing it to be customized for branding or labeling in various applications.
Common Applications
- Food Packaging
3004 aluminum foil is used in food packaging applications where higher strength is needed, such as in containers or heavy-duty wrapping.
- Insulation
Due to its high strength and corrosion resistance, it is used in industrial insulation applications.
- Pharmaceutical Packaging
Used for blister packs and other protective packaging for pharmaceuticals, providing a barrier against moisture and contamination.
- Electrical
3004 aluminum foil is used in electrical applications, such as cable shields and heat exchangers, due to its good conductivity and resistance to corrosion.
- Automotive
The alloy is used in automotive parts, particularly in areas that require corrosion resistance and strength, such as in radiators or heat shields.
