Electrolytic Copper Foil/ED Copper Foil

Grade: C1100; STD; HTE; VLP; FCF; RTF
Thickness: 8µm-105µm
Width: max.1290mm
Temper: Soft
Description Technical Information Packaging More Review
Description

Guangdong Metal Corporation is a reliable Electrolytic Copper Foil supplier and manufacturer.

"Electrolytic copper foil" refers to a thin sheet of copper produced through an electrochemical process, typically used in electronic applications, especially in printed circuit board (PCB) manufacturing. This type of copper foil is known by different names in various regions and industries, including:
1. Electrolytic Copper Foil: This is the most common term, encompassing copper foil produced through electrolysis or electroplating. Electrolytic copper foil is typically characterized by high purity, thin, and uniform thickness, making it suitable for various electronic applications.2. ED Copper Foil: "ED" stands for "electrodeposited," and this term is commonly used in the United States to refer to copper foil produced through electrodeposition. It is essentially the same product as electrolytic copper foil but with a different name.

The production process of electrolytic copper foil is simple, and there are three main processes:
solution foil production → surface treatment → product slitting


Ed Copper foil Mechanical properties:
Grade
GB JIS ASTM
TU0,TU1,TU2,T2 C1100,C1020 C10200,C10300,C11000
Standards

GB/T 5187-2021

Application
It is mainly used to produce flexible circuit board substrates, micro heat dissipation parts, copper foil tapes, LED copper-based heat dissipation, electromagnetic signal shielding and other functional boards.
Thickness
0.007-0.07 mm
tolerance
±0.002 mm
Width
 
10-600 mm
tolerance
≤400 ±0.1, 400-600 ±0.3 mm
Tensile Strength
GB
Elongation
GB
Hardness
GB
Conductivity
GB
* However, we are also open to customization based on customer requirements.

Electrolytic copper foil is typically preferred over rolled annealed (RA) copper foil in electronic applications due to its higher purity, uniform thickness, smooth surface, and excellent electrical conductivity, making it suitable for applications such as PCBs that require high precision and electrical performance.

 

If you want to know more about our Copper Products or Copper Foil please feel free to contact us, we will reply you within 24 hours.

                              
  • 1.The Electrolytic copper foil surface is smooth and level off

    2.No obvious concave and convex point, crease, indentation, damage

    3.The color and luster of Electrolytic Copper Foil is uniform, no oxidation, corrosion and oil

    4.Trimming flush, no lace and copper powder

  • 1. Copper clad Laminate plate (CCL)

    2. Printed circuit board (PCB)                              

    3. Lithium Ion Battery

  • 1.Automatic negative roller mill                                   

    2.Electrolyte supply system                                   

    3.Surface treatment machine                                   

    4.Reversing Cold Rolling Mill                                   

    5.Electrolytic copper foil foil machine

    6.Pickling Line                                   

    7.Cutting machine                                   

Technical Information

Electrolytic copper foil typically possesses the following characteristics and applications:

  • High Purity: Electrolytic copper foil is typically made from high-purity copper, which ensures good electrical conductivity and minimizes impurities that could affect electronic performance.
  • Thin and Uniform Thickness: Copper foil used in the electronics industry needs to be extremely thin and uniform to meet the requirements of PCB manufacturing, ensuring precise and consistent copper circuitry.
  • Smooth Surface: A smooth surface is essential for ensuring proper adhesion of the copper foil to the insulating substrate during PCB manufacturing.
  • High Conductivity: Copper is an excellent conductor of electricity, and this property is maintained in electrolytic copper foil. High conductivity is crucial for the efficient transmission of electrical signals.

Typical Mechanical Properties of Electrolytic Copper Foil for CCL and PCB:

Item

Unit

8

12

18

35

70

105

Purity

%

99.8Cu+Ag)

Area weight

g/m2

70~74

102~108

144~152

275~285

560~580

850~880

Tensile Strength

Normal temperature

N/mm2

320

280

180  

N/mm2

160

150

140

Elongation

Normal temperature

%

3.0

4.5

4.5

5.0

 

180  

%

2.0

 

20

3.0

3.0

Anti-peel strength

N/cm2

0.9

0.95

1.07

1.43

1.97

2.56

Conductivity Resistance

Ω.g/m2

0.171

0.17

0.166

0.162

Rough Rz

um

3.0

4.0

6.0

10

15

18

Bright Ra

um

Ave0.4

* However, we are also open to customization based on customer requirements.
Packaging

Packaging of Electrolytic Copper Foil / ED Copper Foil:

Guangdong Metal Products are packed and labeled according to the regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product I. D. and quality information.

1) Guangdong Metal Standard

2) Customization 

 

Packing of Electrolytic Copper Foil for CCL and PCB:

Indicated on the package with item name, specification, batch number, net weight, gross weight, RoHS and manufacturers.

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Storage Condition of Electrolytic Copper Foil for CCL and PCB:

1. The warehouse is kept clean, dry, and humidity is under 60% as well as The temperature under 25oC.

2. The warehouse does not contain corrosive gas, chemicals and wet goods.

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