Medium Strength Double-Side Shiny Copper Foil
Medium-Strength Double-Sided Shiny Copper Foil features 400–500 MPa tensile strength, 4.5–10 μm thickness, improved toughness, elongation, and fracture resistance, ensuring reliable quality for durable current collector solutions in new energy and storage batteries.
Physical Properties Data Sheet
Items | Units | Parameters | ||||||
Thickness | μm | 3 | 4.5 | 5 | 6 | 8 | 10 | |
Area Density | g/m2 | 27 ± 1.5 | 40.5 ± 1.5 | 44.5 ±1.5 | 53.5 ± 1.5 | 72 ±2 | 87±3 | |
Copper purity | % | ≥99.8 | ||||||
Tensile Strength | MPa | 400–500 | ||||||
Elongation | Gerneral Level | % | ≥2 | ≥4 | ≥5 | ≥5.5 | ≥6 | ≥8 |
High Level | % | ≥2.5 | ≥5.5 | ≥7 | ≥8 | ≥9 | ≥10 | |
Warpage | mm | ≤10 | ||||||
Anti-Oxidation | / | 140℃/15min No Oxidation | ||||||
SEM Morphology
Application Scenarios
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