3005 Pre-painted Aluminum Coil is an aluminum coil coated with weather-resistant, UV-resistant, and corrosion-resistant coatings, widely used in construction, home appliances, billboards, vehicles, and other fields, combining aesthetics and durability.
3005 Pre-painted Aluminum Coil is a specially treated aluminum coil, mainly made of 3005 aluminum alloy. The primary components of 3005 aluminum alloy are aluminum, manganese, and a small amount of other alloying elements, which gives it good strength, corrosion resistance, and formability, making it suitable for various applications.
3005 Pre-painted Aluminum Coil Characteristics
- Alloy Composition: 3005 aluminum alloy belongs to the aluminum-manganese alloy series, primarily containing aluminum and manganese, with manganese content around 1.0%. This alloy has good corrosion resistance, good workability, and relatively high strength. The strength of 3005 aluminum alloy is usually higher than that of pure aluminum but still retains good plasticity, making it suitable for different processing requirements.
- Coating Type: 3005 aluminum coil is typically coated with a layer of polyester (PE), fluorocarbon (PVDF), acrylic, or other types of colored coatings. The coating not only enhances aesthetics but also provides long-term protection. Different types of coatings can offer varying degrees of weather resistance and UV protection.
- Surface Treatment: The surface of pre-painted aluminum coils is treated to ensure good adhesion between the coating and the aluminum substrate, reducing peeling, cracking, or fading. Common surface treatments include hot rolling, cold rolling, and spraying.
3005 Pre-painted Aluminum Coil Specifications
| Item | Specification |
| Alloy | 3005 |
| Alloy Composition | Aluminum (Al) + Manganese (Mn), Mn content: 1.0% - 1.5% |
| Coating Type | Polyester Coating (PE), Fluorocarbon Coating (PVDF), Acrylic Coating (AC), Silane Coating (Silanized) |
| Coating Thickness | 15 - 25 μm (per side), custom specifications available |
| Aluminum Coil Thickness | 0.2 mm - 2.0 mm |
| Aluminum Coil Width | 500 mm - 1600 mm |
| Aluminum Coil Length | 2 m - 6 m, custom lengths available |
| Surface Treatment | Glossy, Matte, Mirror, Patterned |
| Color | White, Blue, Red, Gray, Silver, Gold, RAL color chart or custom colors |
| UV Resistance | Fluorocarbon Coating (PVDF) provides the best UV resistance |
| Surface Treatment Process | Edge bending/punching, Heat transfer printing/printing |
| Corrosion Resistance | Salt spray resistance: over 1000 hours (varies with coating type) |
| Packaging Method | Coil weight: 50 kg - 2000 kg, inner and outer protective film, carton wrapping, wooden pallets, etc. |
| Application Temperature | Standard coating: -50°C to +80°C, Fluorocarbon coating: -60°C to +120°C |
| Common Applications | Construction (facades, roofs, curtain walls, decorative panels), home appliances (casings), billboards, vehicles, etc. |
| Weather Resistance | 5 years - 20 years, Fluorocarbon coating provides the best weather resistance |
Advantages of 3005 Pre-painted Aluminum Coil
- Corrosion Resistance: 3005 aluminum alloy itself has good corrosion resistance, and after coating treatment, its corrosion resistance is significantly enhanced, making it especially suitable for applications in humid or chemically corrosive environments.
- UV Resistance: The coating color not only enhances the appearance but also effectively prevents ultraviolet radiation from corroding the aluminum substrate, thereby extending the service life of the aluminum material.
- Strength and Toughness: 3005 aluminum coil has a relatively high strength, but compared to other higher-strength aluminum alloys (such as 7075, 7050, etc.), it has better toughness and plasticity. This gives it sufficient support for most applications while being easy to form.
- Thermal Reflectivity: Some coatings (such as reflective coatings) can provide additional thermal reflectivity, reducing heat accumulation in building materials and helping to save energy.
- Aesthetics: The coating comes in a variety of colors and can be customized to meet customer needs, with good gloss, color durability, and fade resistance, making it suitable for areas where appearance is important.
Applications of 3005 Pre-painted Aluminum Coil
Construction Industry
3005 Pre-painted Aluminum Coil is widely used in building exterior facades, roofs, window frames, door frames, and curtain walls. Due to its excellent weather resistance, UV resistance, and color durability, it can withstand prolonged exposure to environmental factors like wind, sunlight, and rain, maintaining a fresh and intact appearance. Additionally, the pre-coating not only enhances the aesthetic appeal but also provides extra corrosion protection, making the building structure more durable. Its processability and flexibility also allow it to adapt to various architectural design requirements, making it an ideal exterior decorative material for modern buildings.
Home Appliance Industry
In the home appliance industry, 3005 Pre-painted Aluminum Coil is widely used for the outer shells of appliances such as refrigerators, air conditioners, and washing machines. This aluminum coil has excellent appearance quality, with rich and long-lasting colors, effectively enhancing the market competitiveness of home appliances. Its corrosion resistance and UV resistance ensure that the products do not fade, peel, or age during prolonged use, thereby extending their service life. Moreover, the good processability of the pre-painted aluminum coil allows it to meet the diverse design requirements of appliance exteriors, satisfying consumers' demands for both aesthetics and practicality.
Billboards and Signage
3005 Pre-painted Aluminum Coil is commonly used in the production of billboards, signage, and other outdoor advertising materials. Since its coating effectively resists UV radiation, acid rain, and other environmental pollutants, the coating's colors remain vivid and do not fade, making it suitable for long-term outdoor display. Its corrosion resistance also ensures the durability of billboards and signage in various weather conditions, making it an essential material in the advertising industry. Whether for large billboards or small signs, the 3005 pre-painted aluminum coil offers excellent visual effects and stable performance.
Transportation Vehicles
3005 Pre-painted Aluminum Coil is also used in the exterior decoration of transportation vehicles, such as car bodies and external trim. The high UV resistance of the coating enables it to withstand intense sunlight, preventing fading and damage. Additionally, the aluminum alloy itself is lightweight, reducing vehicle weight and improving fuel efficiency. The corrosion resistance of the pre-painted aluminum coil ensures the long-lasting appearance and durability of vehicle exteriors in various environments, making it suitable for protecting and decorating the exteriors of all types of transportation vehicles.
Other Decorative Applications
Due to its high-quality appearance and outstanding performance, 3005 Pre-painted Aluminum Coil is commonly used in various applications that require long-term display. These applications include curtain wall decoration, interior and exterior wall materials, decorative ceilings, and fences. The color and surface treatment of the pre-painted aluminum coil meet the multiple requirements of aesthetics, durability, and functionality in building and decoration projects. Whether for commercial buildings, residential complexes, or other decorative spaces, 3005 pre-painted aluminum coil offers an aesthetic and durable solution, making building exteriors and interior decorations more modern and attractive.
3005 Pre-painted Aluminum Coil Processing and Maintenance
- Processability: 3005 aluminum alloy has good processability and can undergo cold processing, stretching, bending, and other processes, making it suitable for various forming and deep processing products.
- Maintainability: Although the coating has strong durability, it still requires regular inspection in extreme environments (such as strong acids, strong alkalis, or high temperatures). If the surface is damaged or scratched, it may need to be repaired with a coating treatment to ensure long-term protection.
3005 Pre-painted Aluminum Coil is a material with excellent overall performance. With its attractive surface, outstanding corrosion resistance, weather resistance, good processability, it is widely used in construction, home appliances, billboards, and many other fields. Its high strength, UV resistance, high-temperature resistance, and environmental recyclability make it an ideal choice for applications requiring high appearance standards and long-lasting durability.