Color coated Aluminum Alloy Strip
High-quality color coated aluminum alloy strip for cable armoring, offering excellent corrosion resistance, lightweight performance, and durable coating. Available in 5052, 5154, and 5154A alloys with customizable colors and sizes.
- Alloy:5052,5154,5154A
- Color:Full RAL range (red, blue, yellow, black, white, etc.)
- Coating Type:PE / PVDF / Epoxy
Color coated aluminum alloy strip is a functional material produced by coating the surface of an aluminum alloy substrate with high-performance organic coatings such as polyester (PE) or fluorocarbon (PVDF). It is specifically designed for outer armoring protection of power cables, communication cables, and control cables.
Based on 5000 series Al-Mg alloys combined with environmentally friendly PE/PVDF coatings, this product offers a superior balance of lightweight performance, corrosion resistance, electrical insulation, and aesthetic appearance. Compared with traditional galvanized steel strip or bare aluminum strip, it provides enhanced durability and allows easy visual identification through customized colors and patterns. It is widely used in cable protection systems in complex environments, especially where high corrosion resistance, anti-aging performance, and long service life are required.
Structure of Color coated Aluminum Strip
Common Aluminum Alloys
| Alloy | Composition | Advantages | Applications |
| Al-Mg alloy, Mg 2.2%–2.8% | Medium strength, high toughness, excellent fatigue resistance, tensile strength 220–260 MPa, elongation ≥12%, good atmospheric/freshwater corrosion resistance | General cable armoring, best cost-performance | |
| 5154 / 5154A (H24/H22) | Mg 3.2%–3.8% | Higher strength, crack resistance, excellent resistance to salt spray and chemicals, tensile strength 276–303 MPa, elongation ≥10% | Heavy-duty armoring, corrosive environments, export cables |
Coating Systems
| Coating | Thickness | Advantages | Applications |
| Polyester (PE) | 10–20 μm | Bright color, strong adhesion, good weather resistance, operating temp -40°C to 120°C | Indoor, underground, general environments |
| Fluorocarbon (PVDF) | 15–25 μm | Weather resistance, UV resistance, chemical corrosion resistance, long service life, and operating temperature range of -50°C to 150°C. | Coastal, chemical, outdoor extreme environments |
| Epoxy Coating | 12–20 μm | Excellent insulation, chemical resistance, impact resistance | High insulation and buried cable applications |
Specifications
| Parameter | Standard Range | Precision Tolerance |
| Alloy | 5052, 5154, 5154A | - |
| Thickness | 0.40 – 1.0 mm | ±0.01 mm |
| Width | 9.5 – 25.4 mm | ±0.08 mm |
| Temper | H24 | - |
| Color | Full RAL range (red, blue, yellow, black, white, etc.) | ΔE ≤ 1.5 |
| Coating Type | PE / PVDF / Epoxy | - |
| Inner Diameter | 150 / 200 / 300 / 400 / 500 mm | - |
| Outer Diameter | ≤1400 mm | - |
| Tensile Strength | 220–303 MPa | ±5 MPa |
| Flatness | ≤0.5 mm/m | - |
| Surface | Single-side / double-side coating | No pinholes, bubbles, or scratches |
| Application | Cable armoring layer | - |
Applications in Cable Industry
High & Ultra-high Voltage Power Cables: Reduce magnetic losses and improve transmission efficiency
Interlocked Armored Cables: Provide flexible mechanical protection for aluminum alloy cables
Petrochemical & Marine Engineering: Resist harsh chemical environments and seawater corrosion
Urban Underground Utility Corridors: Improve installation efficiency and extend maintenance cycles
Performance Advantages
Corrosion Resistance: Aluminum substrate plus coating resists acids, alkalis, salt spray, and moisture—ideal for marine and underground environments.
Lightweight: Density is only one-third of steel, reducing overall cable weight.
Non-Magnetic: Eliminates hysteresis and eddy current losses in AC systems.
Excellent Processability: Easy slitting, stamping, and forming; strong coating adhesion without peeling.
High Conductivity & Thermal Performance: Conductivity ≥61% IACS (pure aluminum grades), providing both shielding and heat dissipation.
Mechanical Strength: Good tensile strength and elongation, suitable for interlocked or wrapped armoring structures.
Aesthetic Appearance: Wide range of customizable RAL colors enhances cable identification and branding.
Other Applications
Building & Roofing Systems: Aluminum-magnesium roofing panels, wall cladding, decorative ceilings with customizable wood/stone patterns
Home Appliances & Electronics: Back panels of TVs, refrigerator/washing machine panels, laptop casings
Automotive & Rail Interiors: Interior panels, luggage racks, decorative components
Pipeline Insulation & Protection: Outer covering for industrial and HVAC pipelines
Signage & Nameplates: Outdoor advertising boards and traffic signs with long-term weather resistance
Food & Pharmaceutical Packaging: Can lids and foil seals with food-grade coatings
Packaging & Storage
1. Packaging
Wooden pallets or steel racks with horizontal coil placement
Soft interlayers to prevent coating damage
Outer moisture-proof plastic film and waterproof kraft paper
Reinforced with steel straps for long-distance transport
Each coil labeled with alloy, specification, batch number, net weight, and production date for full traceability
2. Storage Conditions
Store in dry, ventilated warehouses; avoid outdoor exposure and direct sunlight
Keep away from acids, alkalis, and corrosive chemicals
Recommended storage temperature: -10°C to 40°C, relative humidity ≤70%
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