Anodized aluminum coil is a continuous strip of aluminum that has undergone an electrochemical process to create a durable, corrosion-resistant oxide layer.
Premium Surface Finish for Architectural & Industrial Applications
Specifications of Anodized Aluminum Coil
| Item | Details |
|---|---|
| Product Name | Anodized Aluminum Coil |
| Classification | Coil / Roll |
| Thickness | 0.2mm – 3.0mm |
| Width | 20mm – 1600mm |
| Alloy | 1050, 1060, 1100, 3003, 5052, 5005 |
| Temper | H14, H24, H26, O |
| Surface Finish | Bright, Matte, Brushed, Colored |
| Color Options | Silver, Black, Bronze, Gold, Champagne |
| Coating | Anodic oxide film (thickness 5-25μm) |
| Packaging | Eye to Sky or Eye to Wall, Wooden Pallet |
What Is Anodized Aluminum Coil?
Anodized aluminum coil is aluminum that has gone through an electrochemical process to form a corrosion-resistant, durable, and decorative oxide layer on the surface. This layer enhances aluminum’s natural properties, making it ideal for both interior and exterior uses.
Anodizing also improves:
- Surface hardness
- UV resistance
- Color durability
- Adhesion for printing or gluing
Classification of Anodized Aluminum Coils
| Type | Process | Thickness Range | Surface Finish |
|---|---|---|---|
| Type I | Chromic Acid Anodizing | 0.2-6.0mm | Matte appearance |
| Type II | Sulfuric Acid Anodizing | 0.3-8.0mm | Clear/Colored |
| Type III | Hardcoat Anodizing | 1.0-10.0mm | Extra-thick layer |
Standard Thickness Options
| Thickness (mm) | Common Uses |
|---|---|
| 0.2-0.5 | Electronics, lighting fixtures |
| 0.5-1.2 | Architectural cladding, signage |
| 1.2-3.0 | Automotive parts, marine applications |
| 3.0+ | Industrial equipment, aerospace components |
Alloy Selection Guide
| Alloy Series | Best For | Anodizing Performance |
|---|---|---|
| 1000 (1050, 1100) | Decorative applications | Excellent color uniformity |
| 3000 (3003, 3004) | Building facades | Good formability |
| 5000 (5052, 5083) | Marine environments | Superior corrosion resistance |
| 6000 (6061, 6063) | Structural components | Best for hardcoat anodizing |
Packaging Standards
To protect the anodized surface during transit:
- Inner Wrapping:
- PE protective film
- VCI (Vapor Corrosion Inhibitor) paper
- Outer Packaging:
- Waterproof craft paper
- Steel or wooden crates for export
- Edge protectors on all corners
- Coil Specifications:
- ID: 150mm/300mm/500mm
- OD: Max 1800mm
- Weight: 2-10 tons per coil
Key Benefits of Anodized Aluminum Coil
- Durability: 3-5x more scratch-resistant than paint
- Maintenance: Only requires occasional cleaning with mild detergent
- Color Options: Available in 20+ standard colors (RAL codes)
- Eco-Friendly: No VOCs or hazardous chemicals
Manufacturing Process
- Coil Cleaning: Alkaline bath removes oils and impurities
- Etching: Creates uniform surface texture
- Anodizing: Electrochemical oxide layer formation
- Coloring (optional):
- Electrolytic coloring (bronze/graphite tones)
- Dip coloring (full spectrum colors)
- Sealing: Hot water or chemical sealant closes pores
Advantages of Anodized Aluminum Coil
- ✅ Corrosion resistance (suitable for marine and industrial environments)
- ✅ Long-lasting surface finish without peeling or flaking
- ✅ Easy maintenance and cleaning
- ✅ Environmentally friendly (non-toxic, recyclable)
- ✅ Lightweight compared to other coated materials
Common Applications of Anodized Aluminum Coil
| Industry | Use Case |
|---|---|
| Architecture | Facades, ceilings, wall panels, decorative cladding |
| Electronics | Mobile phone casing, computer panels |
| Furniture | Kitchen cabinets, drawer fronts, shelves |
| Transportation | Bus, train interiors, automotive trim |
| Signage | Signboards, display frames, logos |
| Lighting | LED housings, reflective surfaces |
| Solar Panels | Frames and covers |
| Consumer Goods | Appliance covers, picture frames |
Popular Alloys for Anodized Aluminum Coil
1050 / 1060 / 1100 (Pure Aluminum Series)
- High ductility and corrosion resistance
- Ideal for general indoor decorative use
- Soft and easy to process
3003 Alloy (Al-Mn Series)
- Better strength than 1000 series
- Excellent corrosion resistance
- Suitable for roofing, siding, and kitchen cabinets
5005 / 5052 Alloy (Al-Mg Series)
- Excellent formability and durability
- High corrosion resistance, especially in saltwater environments
- Perfect for outdoor architecture and marine applications
Packaging & Delivery
We ensure safe packaging to prevent coil damage during transport:
- 🧊 Plastic film + Kraft paper wrapping
- 📦 Steel or wooden pallet secured with edge protectors
- 🚚 Eye to wall or eye to sky packing for easy loading
- 📦 Customized packaging is also available upon request
Why Choose Our Anodized Aluminum Coil?
- ✅ In-house anodizing production with strict quality control
- ✅ Custom thickness, color, and finish available
- ✅ Fast lead time and global export experience
- ✅ Factory-direct pricing from Worthwill Aluminum
Frequently Asked Questions (FAQ)
Q: What thickness is best for architectural anodized coil?
A: 0.8mm to 2.0mm is commonly used for facades and ceilings.
Q: Can you match custom colors?
A: Yes, we offer color customization based on RAL or Pantone codes.
Q: Is the anodizing layer scratch-proof?
A: It’s not 100% scratch-proof, but significantly more durable than paint.
Contact Us for Your Anodized Aluminum Coil Needs
Looking for high-quality anodized aluminum coils?
📧 Email: sales@wwaluminum.com
📞 WhatsApp: +86 15736973771
We supply customized sizes, alloys, and finishes tailored to your project!