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0.006mm Rolled Copper Foil
The Rolled copper foil is a product made by repeatedly rolling and annealing high-precision copper strips ( Normally thickness less than 150 μm)by using the principle of plastic processing.
The thickness normally between 0.006- 0.1mm，width<800mm
Material Grade:C11000
Copper Content: Cu >99.99%
The ductility, bending resistance, and conductivity are all more better than electrolytic copper foil, and the copper purity is also higher than electrolytic copper foil
Description
The 0.006mm Rolled Copper foil is a high-quality material,which has high purity, high surface finish, good flatness, precise tolerances and perfect processing properties. The rolled copper foil has been also degrease and anti-oxidized, which allows the foil to have longer shelf life and be easier to laminate with other materials.
Manufacturing Process
Electrolytic Copper Foil Produced via electrodeposition from a copper sulfate solution onto a rotating titanium or stainless steel drum.The deposited copper is peeled off, then treated (roughening, heat resistance, anti-corrosion).
Rolled Copper Foil Made by cold-rolling high-purity copper cathodes into thin sheets, followed by annealing.Surface can be further treated (e.g., oxidation resistance coating).
PRODUCTION PROCESS FLOW CHART
microstructure
Properties
Properties in difference size as below:
how to choose copper foil
Summary Decision Table
| Your Application "Status" | Recommended Copper Foil Type | Key Reason |
|---|---|---|
| High-Frequency PCBs (5G, Radar) | RA or VLP/HVLP ED | Very low surface roughness minimizes signal loss. |
| Flexible PCBs (Dynamic Bending) | RA | Superior flexibility and high bending endurance. |
| Standard Rigid PCBs (Consumer Electronics) | ED (e.g., HTE) | Best balance of good adhesion, fine etching, and low cost. |
| High-Performance Rigid PCBs (Servers) | RTF ED | Smoother signal layer than HTE for better signal integrity without a full RA upgrade. |
| Lithium-Ion Battery Anodes | Ultra-thin ED (4.5-6 μm) | Maximizes battery energy density. |
| Crafts, Shielding, Art | Alloy 110 (Annealed) | High purity, very ductile, and easy to work with |
Other Key Selection Factors
Beyond the type, you also need to specify:
- Thickness: Measured in ounces (oz) for PCBs (e.g., 1 oz = 35 µm thick) or micrometers (µm) for batteries.
0.5 oz (18 µm): For fine-pitch, HDI boards.
1 oz (35 µm): Standard for most PCBs.
2 oz (70 µm) or more: For power electronics handling high current.
- Purity: Higher purity (≥ 99.5%) ensures better and more consistent electrical conductivity.
- Peel Strength: The adhesion force between the foil and the substrate. This is critical for manufacturing reliability, ensuring the copper traces don't lift off the board
Standard for difference countries
|
Nations |
STANDARD NO. |
STANDARD NAME |
|
CHINA |
GB/T2059--2000 |
CHINA'S NATIONAL STANDARD |
|
JAPAN |
JIS H3100 :2000 |
COPPER AND COPPER ALLOY SHEETS,PLATES AND STRIPS |
|
USA |
ASTM B36/B 36M -01 |
STANDARD SPECIFICATION FOR BRASS,PLATE,SHEET,STRIP AND ROLLED BAR |
|
GERMANY |
DIN-EN 1652:1997 |
COPPER AND COPPER ALLOYS PLATE,SHEET,STRIP AND CIRCLES FOR GENERAL PURPOSES |
|
DIN-EN 1758 :1997 |
COPPER AND COPPER ALLOYS STRIP FOR LEADFRAMES |
|
|
SEMI |
SEMI G4-0302 |
SPECIFICATION FOR INTERGRATED CIRCUIT LEADFRAME MATERIALS USED IN THE PRODUCTION OF STAMPED LEADFRAMES |
Test Equipment
Advantages
This copper foil product effectively minimizes copper powder generation and brittle cracking. It offers excellent flexibility and high oxidation resistance (withstanding 200°C for one hour), significantly reducing issues such as wrinkling, foil breakage, and cold pressing during the coating and rolling processes. Easy to operate, it helps improve coating and rolling efficiency.
The copper foil material exhibits excellent plasticity and workability during bending, stamping, shearing, and welding processes, making it well-suited for manufacturing complex-shaped structures. Its high tensile strength enhances structural stability and reliability during application. With outstanding high-temperature resistance, the material maintains stable physical properties even in environments up to 180°C, resisting deformation and damage. It also offers strong substrate corrosion resistance, ensuring consistent performance throughout the long-term manufacturing of copper-clad laminates and multilayer PCBs.
With high density, high flexibility, and superior oxidation resistance, this foil remains intact without cracking or breaking under high-intensity and high-rate cycling conditions, thereby enhancing battery cycle life and safety while reducing risks such as short circuits and overheating.
Certificates
Packages
Applications
The 0.006mm Rolled Copper foil mainly used in manufacturing automobile, farmer machine, mining machinery, engineering machinery, diesel locomotive, shipbuilding, generator set.
Customer Feedback
The rolled copper foil with soft temper used as a conductor in the apparel for cancer treatment research from our Indonesia customer
Our ED Shielding Copper Foils with High Elongation and High Tensile Strength, can be used in many areas. We can provide the specific single-matte, double-matte, and double-shiny ED Copper for the Li-ion Battery. And we can also offer 2oz to 6oz ( nominal thickness 70um to 210um) Shielded ED Copper Foils used for shielding of electric products, especially as transformer, cable, mobile phone, computer, mechanical treatment, aerospace, and industry Applications . What is more, HTE (high temperature elongation) from 1/2oz to 2oz thickness copper foil and VLP-HTE-HF( very-low-profile, high temperature elongation, and heavy ED Copper Foils, used in PCB, which the max dimension is 1295mm x 2450mm.Below is the US customer Feedback pics for the Shielding Copper Foils used in MRI Room
FAQ
Q1:What is 0.006mm rolled copper foil?
A:0.006mm rolled copper foil (also referred to as 6μm copper foil) is an ultra-thin copper sheet produced through a rolling process rather than electrodeposition. The rolling process involves repeatedly passing copper through precision rollers to achieve the desired thickness, producing a foil with superior mechanical properties including better bendability and ductility compared to electrodeposited alternatives
Q2: How do you guarantee the quality of the products?
Q3:What information should i confirm you when i send inquiry
A:Sometimes we need product specification like material standard or Grade, size, Qty, shipping port, Terms like FOB or CIF etc.
Q4: How long of the delivery time?
A: Usually, the shipment can be delivery within 15-30days after the order confirmed.
Q5: How about the payment items?
A: LC, T/T, PayPal, Western Union etc.
Q6: Which country have you exported to?
A: Our main market is South America, Middle East, Africa and Europe. And have built long time relationship with Pakistan, US, Norway, Germany, Korea, Russia,Taiwan customers.And got continue orders from them every month.
Q7: Can i visit your factory?
A: Sure! Welcome in any time.
Q8: How about the MOQ?
A: Normally we dont have MOQ requirement, We always expect more opportunities with you. But for some special material or special size let's communicate the actual status.
Q9: Can you support us in the applications?
A: It is our pleasure!
Q10: Can you accept the inspection from a third party?
A: Yes. We have enough experience to cooperate with the inspection project.
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