Sold out. We can let you know when it is available.
Compared with traditional copper foil, PET substrate has good safety performance, light weight, and good ductility, which can help improve the energy density of batteries.
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Product name |
PET Composite Copper Foil |
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Testing items |
Unit |
Norm value |
Testing standards and methods |
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Areal density |
g/c㎡ |
24±0.5 |
Sampler, balance |
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Width |
mm |
280 |
Steel ruler |
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Square resistance |
MΩ |
20±3 |
Four Probe Square Resistance Meter |
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Resistivity |
Ω/m |
≤4*10-8 |
Four Probe Square Resistance Meter |
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Plating purity |
% |
99.9 |
Metal Detector |
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Tensile Strength |
MD |
MPa |
≥240 |
Tensile tester |
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TD |
≥240 |
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Break elongation |
MD |
% |
≥5% |
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TD |
≥5% |
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Wettability |
Dyne value |
≥32 |
Dyne pen |
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Antioxidant |
150℃ 10min |
/ |
No color change |
Oven |
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150℃ 10min |
Not melt |
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Adhesion |
/ |
Tape No. 681 does not fall off |
3M tape |
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Pinholes |
Number |
No >500μm pinholes |
Metallographic microscope |
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Appearance and storage conditions |
The foil surface is smooth and flat; no interlayer folds; no indentation, bruises, scratches, uniform color, no corrosion, no oil stains, no black spots, smooth cut edges, and no obvious burrs. Storage temperature ≤25°C, temperature ≤65°C, avoid direct sunlight and chemical corrosion. |
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