Size: Width: 400 mm, Length: 12.5 m, Thickness: 113 µm
Aluminum Laminated Film for Pouch Cell Case is a multi-layered packaging material designed specifically for lithium-ion polymer batteries. Its structure, composed of polyamide, aluminum foil, and polypropylene layers, provides excellent electrical insulation, moisture resistance, and durability during deep drawing or thermal processing. The film ensures a high barrier against gases and moisture while retaining formability, making it ideal for the packaging of compact and high-performance battery cells used in electric vehicles, drones, and consumer electronics.
| Property | Specification |
|---|---|
| Structure (Outer to Inner) | |
| Polyamide (JIS Z1714) | 0.025 mm (±0.0025 mm) |
| Adhesive (Polyester-polyurethane) | 4–5 g/m² |
| Aluminum Foil (JIS A8079, A8021) | 0.040 mm (±0.004 mm) |
| Adhesive (Urethane-free) | 2–3 g/m² |
| Polypropylene | 0.040 mm (±0.004 mm) |
| Total Thickness | 113 µm |
| Width | 400 mm |
| Length | 12.5 m |
| Surface Quality | Matte finish |
| Pinholes | As per aluminum foil standard |
| Impurity | ≤1 mm diameter |
| Fish Eye | ≤2 mm (clear), ≤1 mm (colored) |
| Molding Depth | ≥5.0 mm |
| Electrical Insulating | Good |
| Hot Sealing Condition | 180–190 °C |
| Moisture Vapor/O₂ Transmission Rate | 200 ppm / 5 years |
| Laminate Strength | Nylon/Al ≥2N/15mm, Al/CPP ≥5N/15mm |
| Heat Seal Strength | ≥22.5N/15mm @ 200°C, 0.2 MPa, 2 sec |
| Solvent Retention | ≤5 mg/m² |
| Appearance | Within specified sample limits |
| Slip Factor (CPP/CPP) | ≤1.0 |
Lithium-ion polymer battery pouch cells
Electric vehicle battery packs
Drone and UAV battery systems
Portable electronics battery packaging
Energy storage system modules
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