Laminated aluminum foil (also known as composite aluminum foil) is a multilayer material made by combining pure aluminum foil as the core layer with one or more functional substrates such as PET, PE, paper, and nylon through processes such as hot pressing and adhesive coating. It combines the excellent barrier properties of aluminum foil with the strength and flexibility of the substrate, solving the shortcomings of single-layer aluminum foil, such as easy tearing and difficulty in sealing. It is widely used in packaging, construction, electronics and other fields.
Laminated aluminum foil plays a crucial role in cable protection. It provides:
- Electrical Shielding: Blocks electromagnetic interference (EMI) to ensure signal integrity.
- Moisture and Oxygen Barrier: Prevents corrosion and degradation of cable insulation.
- Mechanical Protection: Adds strength and tear resistance during installation and operation.
- Thermal Stability: Helps cables withstand high temperatures without losing performance.
In short, laminated aluminum foil ensures safety, reliability, and longevity of cables in demanding environments.
Yutwin New Materials offers a wide range of high-performance laminated aluminum foils designed specifically for cable wrapping applications. These foils provide superior barrier protection, mechanical strength, and thermal stability, ensuring cables remain safe and reliable in demanding environments.
Summarize
- AL (Aluminum Foil): 8011-H18 / 1235-H19 / 1100-H14, 6µm – 50µm.
- PET (Polyester Film): PET 12–36 μm, biaxially oriented (BOPET).
- EAA (Ethylene Acrylic Acid Copolymer): EAA 8–12% acrylic acid, 20–50 μm.
- Width: 5.0-1600mm.
- Core ID: 52±0.5mm/76±0.5mm.
- Core OD: 250-650mm.
- Color: Silver/Gold, Blue, Red, etc.
01. AL+PET Lamination
PET provides strength and processability, while aluminum foil provides ultimate barrier properties.
Specifications
| Specification | Total Thickness (μm) | Basis Weight (g/㎡) | Specific Area (m²/kg) |
|---|---|---|---|
| AL/PET 9.12 | 24 | 44.5 | 22.5 |
| AL/PET 9.15 | 27 | 48.5 | 20.6 |
| AL/PET 9.23 | 35 | 60.0 | 16.7 |
| AL/PET 9.36 | 48 | 78.0 | 12.8 |
| AL/PET 12.12 | 27 | 53.0 | 18.9 |
| AL/PET 12.15 | 30 | 57.0 | 17.5 |
| AL/PET 12.23 | 38 | 68.0 | 14.7 |
| AL/PET 25.12 | 40 | 88.0 | 11.4 |
| AL/PET 25.23 | 51 | 103.0 | 9.7 |
| AL/PET 40.20 | 63 | 143.0 | 6.9 |
| AL/PET 40.25 | 68 | 149.0 | 6.7 |
02. AL+PET+AL Lamination
It is a high-barrier, multifunctional composite material with a double aluminum layer structure, which has higher barrier properties and mechanical strength than a single aluminum layer structure.
Specifications
| Material Specification | Total Thickness (mm) | Basis Weight (g/m²) | Specific Area (m²/g) |
|---|---|---|---|
| AL/PET 91.29 | 35 | 70 | 14.3 |
| AL/PET 91.59 | 38 | 75 | 13.3 |
| AL/PET 91.99 | 42 | 80 | 12.5 |
| AL/PET 9.239 | 46 | 86 | 11.6 |
| AL/PET 20.12.20 | 57 | 130 | 8.0 |
| AL/PET 25.12.25 | 67 | 157 | 6.0 |
03. AL+PET+EAA Lamination
It is a high-barrier composite material with an EAA (ethylene-vinyl acetate copolymer) heat-sealing layer, combining barrier properties, strength, and heat-sealing performance.
Specifications
| Structure | Total Thickness (µm) | Grammage (g/m²) | Specific Area (m²/kg) |
|---|---|---|---|
| AL / PET / EAA 9.12.25 | 51 | 70 | 14.3 |
| AL / PET / EAA 9.15.25 | 54 | 74 | 13.5 |
| AL / PET / EAA 15.12.25 | 67 | 114 | 8.8 |
04. AL+PET+AL+EAA Lamination
It is a four-layer high-performance composite structure that combines the high barrier properties of double aluminum foil, the mechanical strength of PET, and the heat-sealing performance of EAA, making it outstanding in demanding packaging and industrial applications.
Specifications
| Composite Structure | Total Thickness (μm) | Basis Weight (g/m²) | Specific Surface Area (m²/kg) |
|---|---|---|---|
| AL/PET/AL/EAA 9.12.9.25 | 64 | 98 | 10.2 |
| AL/PET/AL/EAA 9.15.9.25 | 67 | 102 | 9.8 |
| AL/PET/AL/EAA 9.25.9.25 | 77 | 116 | 8.6 |
| AL/PET/AL/EAA 25.12.25.25 | 95 | 183 | 5.5 |