Packaging: 12um thick*200mm wide 5kg/roll;
Material name: sodium battery aqueous aluminum foil Main use: battery aqueous current collector.
Overview: This product consists of aluminum foil substrate and additives, mainly used for battery aqueous electrode current collector.
Main Parameters:
| Technical requirements | Dimensional tolerance | Test method |
| Total thickness | 12.00±1.00um double-side | Micrometer |
| Foil width | 200±1.00mm | Film ruler |
| Aluminum foil end face staggered | ≤1.0mm | Tensile machine |
| Tensile strength | (190-250)MPa | Tensile machine |
| Elongation | ≥2.0% | Tensile machine |
| Surface wetting tension | ≥50dyn/cm | Dyne water |
| Tube core | Inner diameter 76±2.0mm | Vernier caliper |
| Quality requirements | The surface is clean, the color is uniform, and there are no corrosion marks, roller marks, pressure marks and other defects. The end surface is flat without gaps, cracks, warping and bumps. The roll is neat. Edge burrs: The length of edge burrs is ≤100um. Aluminum chips: Sample 50cm, and the surface aluminum chips or aluminum powders are ≤5 | |
| Precautions | The storage environment should be relatively clean and dry, and the physical object should be kept as sealed as possible after unpacking. | |
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