Heat exchangers and air conditioning equipment frequently use 5052 color-coated aluminum foil, which is used as fin material and has good formability and corrosion resistance.
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: The black polyester coating on 5052 aluminum improves its resistance to corrosion and shields it from moisture, acidic gasses, and salt spray.
Heat dissipation: In cooling systems, 5052 aluminum fins provide superior thermal conductivity and efficiency. Additionally, the black covering enhances heat dissipation.
Aesthetic appearance: Products like cars and home appliances look sleek and contemporary thanks to the black polyester finish.
Application of 5052 color coated aluminum foil for fin stocks
Heat exchangers for central and domestic air conditioners employ air conditioning systems to improve heat transfer efficiency and stop corrosion.
Condensers and evaporators are used in freezing and refrigeration equipment to guarantee steady performance in corrosive and high-humidity conditions.
Heat sinks for power electronics are used in converters, inverters, and high-power LED lights to assist keep operating temperatures low.
Automobile cooling systems: used in oil and engine coolers to enhance heat dissipation under hot temperatures.
Home appliances that ensure stable and effective operation include the condensers or evaporators in freezers and refrigerators.
Dimensional tolerance of 5052 color coated aluminum foil for fin material
Thickness, measured in nominal size Tolerance (in any situation) (Nominal size) width Tolerance 0.2 ± 0.02 mm 345 ± 0.03 0.2 ± 0.02 mm 427 ± 0.03 0.2 ± 0.02 mm 455 ± 0.33
The present version of EN 683-3 covers any dimensional deviations (tolerances) that aren't specifically addressed in these requirements.
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 |
Coil placement on pallet: E2W (eye to the wall)
Cardboard interlayer protection between the pallet and coils.
Coils wrapped with nylon and secured polyester ring, protection beneath strapping.
Coils are stretch wrapped in rainproof PE foil.
No polystyrene (Styrofoam) will be used for packing/protection, but rather environmentally friendly alternatives (e.g., cardboard). only
Coils on one pallet containing material from a single 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%. |
