Transformer copper foil is a type of copper strip that is used in transformer winding due to its good conductivity and ease of use. Copper foil for transformer winding is available in various thicknesses, widths, and inner diameters, and is also available in laminated form with other materials.
Mill finish, the strip has a smooth surface, free from scratches and impurities
Electrical Conductivity
(20℃)(IACS)
≥99.80%
Packaging:
Wooden Pallet/Wooden Case
Chemical Composition
C1100/C11000 Copper Foils Strips Chemical Composition (%)
Element
Cu+Ag
Sn
Zn
Pb
Ni
Fe
As
O
Standard Value
≥99.90
≤0.002
≤0.005
≤0.005
≤0.005
≤0.005
≤0.002
≤0.06
The advantages of using C11000 copper foil strip for transformer
winding are as follows:
1.C11000 copper foil has high tensile strength and can be stretched to a large size, with a stretching ratio of up to 30%. 2.C11000 copper foil has good corrosion resistance and weldability, and its welding position is not prone to cracks. 3.C11000 copper foil has good plasticity and can be processed into various shapes according to requirements and is easy to use.
Common Fabrication Processes
Copper refining
Copper melting and casting
Hot rolling
Cold rolling
Annealing
Slitting
Surface treatment
Quality control
Packaging and shipping
Characteristics of copper foil strip for transformer winding