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Copper Coil for electric transformers
Specification:Thickness:0.1-4.0mm Width:20-1500mm
Standard:ASTM, EN 13599, GB-T 18813-2002
Application:Transformer winding
Packaging: Wooden Pallet
Copper Foil
Aluminum strips
The copper coil is the most commonly used material for electric transformers. The coil winding wire is usually made up of a large number of turns of copper wire wound around a core made of magnetic material such as iron. 
The purpose of the core is to concentrate the magnetic field, which enhances the efficiency of the transformer. 
Copper Foil Specifications
Product name Copper foil for Transformer winding
Grades Cu-ETP/ C-11000/ E-Cu58
Temper Soft(O), Hard(H)
Specification Thickness: 0.1-4.0mm Width: 20-1500mm
Quantity tolerance ±10%
Standard ASTM, EN 13599, GB-T 18813-2002
Application Transformer winding
Packaging In coil, inner diameter: 300mm, 400mm, 500mm etc

Aluminum coils
Copper Strip Packing
Plastic spool or wooden spool, flat wire length are customizable;
The usual spool specifications :
EPE, kraft paper or according to customer requirement.

About The Packing, We Can According To Customers' Requirement!
Aluminum Strips
Firstly, copper has an excellent electrical conductivity of around 58 million siemens per meter. This high conductivity allows the current to flow efficiently through the coil, which reduces energy loss in the form of heat. 

Secondly, copper is highly ductile, which means it can be drawn into thin wires without breaking. This property is critical in transformer design because the wire must be thin enough to provide a large number of turns without breaking. 

Lastly, copper is highly malleable, which means it can be easily formed into any shape, making it easy to manufacture the coils.
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