Model: *×0.008（Dimensions can be customized）
This product is an ultra-thin metal foil made from high-purity electrolytic copper through rolling or electrodeposition processes, characterized by high electrical conductivity, ductility, and corrosion resistance. It serves as a critical material in lithium-ion batteries.
Physical Properties
| Specification | Typical Value | Unit |
| Substrate Thickness | 8±1 | μm |
| Substrate Width | *±1 | mm |
| Substrate Areal Density | 70-75g/m2 | g/m2 |
| Tensile Strength | ≥300 | Mpa |
| Elongation | ≥3.0 | % |
Core Requirements
| Core Specification | Core Material | Core Inner Diameter (mm) | Core Length (mm) |
| 3 inches | ABS / Aluminum tube | 76.2±1 | *±5 |
| 6 inches | ABS / Aluminum tube | 152.4±1 | *±5 |
SHELF LIFE and STORAGE
Copper Foil products must be stored in sealed aluminum-plastic film packaging with a shelf life of 6 months.
Outdoor storage or exposure to direct sunlight, rain, or moisture. Clean, dry, and well-ventilated.Do NOT store with corrosive chemicals or high-humidity materials.
After opening the aluminum-plastic film:Temperature: 5–30°C, Relative Humidity: ≤40% RH, Storage Validity Period: ≤3 days.
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