5052 color-coated aluminum foil is used for fin material, has good corrosion resistance and formability, and is widely used in heat exchangers and air-conditioning equipment.
Specification for 5052 color coated aluminum foil for fin material
- Alloy non-coated:EN 573-3 Grade AW-5052 (AlMg2, 5)
- Technical delivery:EN 683-1
- Quality certificate:DIN EN 10204
Coating information of 5052 color coated aluminum foil for fin material
| Coil side | Inside | Outside |
| Chemical compound | Polyester or customized | Polyester or customized |
| Color | Black or customized | Black or customized |
| Number of layers | Double | Double |
| Lacquer surface properties | Hydrophobic | Hydrophobic |
| Coating masses, per side, double layer | 11 – 15g/cm3 | 11 – 15g/cm3 |
| Coating thickness, single spot, double layer | 10-14μm | 10-14μm |
Mechanical properties of 5052 color coated aluminum foil for fin material
| Tensile strength | 175MPa - 225MPa |
| Yield strength | >65MPa |
| Elongation | >20% |
| Erichsen without lube | >6.5mm |
EN 683-2, applies to all mechanical properties not expressly mentioned in these specifications.
Characteristics of 5052 color-coated aluminum foil for fin stock
Corrosion resistance: 5052 aluminum has good corrosion resistance, enhanced by the black polyester coating, which protects against humidity, acidic gases, and salt spray.
Heat dissipation: 5052 aluminum fins offer excellent thermal conductivity and efficiency in cooling systems. The black coating also improves heat dissipation.
Aesthetic appearance: The black polyester coating provides a sleek and modern look, suitable for products like home appliances and vehicles.
Application of 5052 color coated aluminum foil for fin stocks
Air conditioning systems: used in heat exchangers for central and residential air conditioners to enhance heat transfer efficiency and prevent corrosion.
Condensers and evaporators: employed in refrigeration and freezing equipment to ensure stable operation in high humidity and corrosive environments.
Power electronics heat sinks: used in inverters, converters, and high-power LED fixtures to help maintain low operating temperatures.
Automotive cooling systems: utilized in engine coolers and oil coolers to improve heat dissipation in high-temperature conditions.
Home appliances: such as evaporators or condensers in refrigerators and freezers, ensuring efficient and stable operation.
Dimensional tolerance of 5052 color coated aluminum foil for fin material
Thickness (nominal size ) Tolerance (at any point) Width (nominal size) Tolerance 0.2mm ±0.02mm 345mm ±0.3mm 0.2mm ±0.02mm 427mm ±0.3mm 0.2mm ±0.02mm 455mm ±0.3mmEN 683-3, current version, applies to all dimensional deviations (tolerances) not expressly mentioned in these specifications.
Packaging
| Coil core ID | 150mm |
| Coil OD | ≤1.000mm |
| Coil weight | ≤840kg |
| Pallet (euro pallet) | 1200 x 800mm |
| Package height | ≤1200mm |
| Package weight | ≤1.100kg |
- Coils placed on pallet: E2W (eye to the wall)
- Cardboard interlayer protection between pallet and coils
- Coils wrapped with nylon and fixed polyester ring, protection below strapping
- Coils stretch wrapped rainproof in PE foil
- No polystyrene (Styrofoam) to be used for packing/protection, but environment friendly alternatives (i.e. cardboard) only
- Coils on one pallet containing material from one specific annealing batch only
Inspection items
| Coil side | Inside | Outside |
| Adhesion | Erichsen + tear with adhesive tape – no delamination (in accordance with EN 13523) | Erichsen + tear with adhesive tape – no delamination (in accordance with EN 13523) |
| M.E.K. resistance (polymerization evaluation) | >20 double rubs (in accordance with EN 13523) | >20 double rubs (in accordance with EN 13523) |
| Corrosion resistance | 1500h in salt spray fog, ASTM B117 5% NaCl at 35°C, pH 6, 5- 7, 2. Sample without cross and with protected edges | 1500h in salt spray fog, ASTM B117 5% NaCl at 35°C, pH 6, 5- 7, 2. Sample without cross and with protected edges |
| UV resistance | 1500h UVA340 0, 89 W/m2 EN 13523-10; cycle 8 h light at 60o + 4 h condensation at 50o – gloss at 60℃ ritention < 30%. | 1500h UVA340 0, 89 W/m2 EN 13523-10; cycle 8 h light at 60o + 4 h condensation at 50o – gloss at 60℃ ritention < 30%. |