Packing: 25u*150mm/rolled copper foil/double-sided/4kg/roll.
Roll length: 30m/kg.
Name: 25 micron double-sided smooth rolled steel foil. Application: lithium battery negative electrode.
25μ*150m/rolled steel foil/double-sided smooth/4kg/roll.
Other widths can be customized Roll length is about: 30 meters/kg.
Overview: rolled steel foil, with good ductility, bending resistance and conductivity.
Main Parameters:
| Test items | Unit | Standard value | Typical Value |
| Purity | % | >99.8 | >99.98 |
| Permeability | piece | No penetration holes | No penetration holes |
| Area mass | g/m2 | 220-225 | 222 |
| Mass resistivity | Ω.g/m2 | <0.17 | 0.168 |
| Thickness tolerance | um | 0-1 | 0-1 |
| Tensile strength | Kg/m2 | >30 | 41 |
| Elongation at room temperature | % | >3.5 | 4.2 |
| Elongation at high temperature | % | >1.0 | 5.5 |
| Surface roughness (RA) | um | <0.2 | 0.12-0.15 |
| Surface roughness (RZ) | um | <3.0 | 1.3 |
| Roughness (RA) | um | <0.2 | 0.12-0.15 |
| Roughness (RZ) | um | <3.0 | 1.3 |
| Antioxidation rate (130℃ 10min) | OK | OK | |
Reviews
There are no reviews yet.