Description
ED Copper Foils for Li-ion Battery (Double-shiny)
Specification:
Thickness: 6µm～20µm
Width: 100mm～1340mm
Performance:
|
Test Item |
Unit |
Specification |
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|
6μm |
7μm |
8μm |
9/10μm |
12μm |
15μm |
20μm |
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|
Cu Content |
% |
≥99.9 |
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|
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 |
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|
Elongation(25℃时) |
% |
5~10 |
5~15 |
10~20 |
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|
Roughness(S-Side) |
μm(Ra) |
0.1~0.4 |
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|
Roughness(M-Side) |
μm(Rz) |
0.8~2.0 |
0.6~2.0 |
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|
Width Tolerance |
Mm |
-0/+2 |
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|
Length Tolerance |
m |
-0/+10 |
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|
Pinhole |
Pcs |
None |
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|
Change of Color |
130℃/10min |
None |
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|
Wave or Wrinkle |
—- |
Width≤40mm one allow |
Width≤30mm one allow |
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|
Appearance |
—- |
No drape, scratch, pollution, oxidation, discoloration and so on that effect using |
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|
Winding method |
—- |
The winding when facing up S side When the winding tension in the stable, no loose roll phenomenon. |
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Metallographic:
Double-Shiny (3000 times)
