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6 microns single-sided double-sided MAO lithium ion battery is special copper foil

ShangHai YunYao Industry Co.,Ltd

6 microns single-sided double-sided MAO lithium ion battery is special copper foil

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Thickness: 6µm~20µm

Test Item Unit Thickness
6μm 7μm 8μm 9/10μm 12μm 15μm 20μm
Cu Content % ≥99.9
Area Weight mg/10cm2 54±1 63±1.25 72±1.5 89±1.8 107±2.2 133±2.8 178±3.6
Tensile Strength(25) Kg/mm2 28~35
Elongation(25) % 5~10 5~15 10~20
Roughness(S-side) μm(Ra) 0.1~0.4
Roughness(M-side) μm(Rz) 0.8~2.0 0.6~2.0
Width Tolerance Mm -0/+2
Length Tolerance m -0/+10
Pinhole pcs None
Change of Color 130/10min 150/10min NoneWechat,whatsapp:008613512159475; David.bai@yunyao-china.com
Wave or Wrinkle / Width≤40mm one allow width≤30mm one allow
Appearance / No drape, scratch, pollution, oxidation, discoloration and so on that effect using
Winding method / The winding when facing up S side, when the winding tension in the stable,no loose roll phenomenon


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