Lithium-ion battery copper foil PCB copper foils Flexible copper clad laminate R&D and Manufacturing Service and Support

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High-tensile copper foil smooth on both sides for lithium-ion battery (HS-BCF)

NO Attribute Unit Specification
1 Nominal Thickness μm 4 4.5 5 6 8
2 Area Weight g/m² 36±2 40±2 45±2 54±2 72±2
3 Purity % min.99.9
4 Roughness S side(Ra) μm(Ra) 0.1-0.4
M side(Rz) Max. 2.0
5 Tensile Strength MPa Min. 500
6 Elongation % Min. 3.0 Min. 3.0 Min. 3.0 Min. 3.0 Min. 5.0
7 Anti-oxidization 140℃/15min None

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M Side magnified by 2,000 times

M Side magnified by 1,000 times

S Side magnified by1,000 times

S Side magnified by 5,000 times