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High Precision Ultra Thin Copper Foil Under 0.025um Roughness SGS Approval

Good quality Rolled Copper Foil for sales
Good quality Rolled Copper Foil for sales
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High Precision Ultra Thin Copper Foil Under 0.025um Roughness SGS Approval

China High Precision Ultra Thin Copper Foil Under 0.025um Roughness SGS Approval supplier

Large Image :  High Precision Ultra Thin Copper Foil Under 0.025um Roughness SGS Approval

Product Details:

Place of Origin: china
Brand Name: JIMA
Certification: SGS, ISO,Reach, RoHS
Model Number: RACULP

Payment & Shipping Terms:

Minimum Order Quantity: 100kg
Price: Negotiation
Packaging Details: wooden carton
Delivery Time: 5- 20days
Payment Terms: T/T, L/C
Supply Ability: 1500 Ton per month
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Detailed Product Description
Application:: Lithium-ion Battery ,Li-ion Battery Capacitor Ultra Thickness  : 8um 0.008mm 8micron
Standard: IPC-4562,IPC9TM-650 Thickness Toleranc: Within +/-0.00054mm
Roughness: Under 0.025um Width standard  tolerance: +/-1.5mm


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

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.



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.

Q2. Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

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

Q4. Can you provide COA?

Yes , we can COA

Q5. Can you cut into small size?

Yes, we can.

Q6: What's your guarantee?

A: All our products have 6 months guarantee after received goods, if any quality problem please contact us.

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.

Q8:Can you provide sample?

A:we can provide sample your thickness

Contact Details
JIMA Copper

Contact Person: Mr.huang

Tel: +8615000729029

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