High Precision Ultra Thin Copper Foil Under 0.025um 8um Roughness SGS Approval
8um high precision rolled copper foil for Li-ion battery
Produict Information :
1. RA Copper Foil is rolled from pure copper ingots, the process including purifying copper ores,
make into copper cathodes, ingoting, rolling, annealing, washing, testing, slitting and packing.
2. 110-anneal (Electrolytic Tough Pitch or ETP) dead soft. Min 99.99% CU.
| (1) High flexibility and extensibility | |
| (2) Even and smooth surface | |
| (3) Good fatigue resistance | |
| Performances | (4) Strong antioxidant properties |
| (5) Good mechanical properties | |
| (6) The material has higher extensibility | |
| (7) It has a high bending resistance | |
| (8) It has no crack. |
Technical Data Sheet for Rolled copper foil:
| 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 | None | ||||||
| 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 | ||||||
Note:
We can provide products with other properties according to customers` requirements.
Details Packing: standard export sea wooden box package
P.S :Keep the dry environment,and is better use it in 30days.
FAQ:
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Q1: Can you supply the sample? A: We can supply samples to check the quality before bulk order. But the price will be sample price not wholesale price. |
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Q2. Do you test all your goods before delivery? A: Yes, we have 100% test before delivery |
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Q3. what is your standard width? A: within620mm,,we accept customization for the width. we can cut it into any size that you demand after pass discussing |
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Q4. Can you provide COA? Yes , we can COA |
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Q5. Can you cut into small size? Yes, we can. |
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Q6: What's your guarantee? A: All our products have 6 months guarantee after received goods, if any quality problem please contact us. |
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Q7: What's your delivery time ? A: The common delivery time is 5-25 days. The specific delivery time depends on the items and the quantity of your order. |
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Q8:Can you provide sample? A:we can provide sample your thickness |
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.