Copper foil

Product Detail

Copper foil

Copper foil is a thin sheet of pure copper with excellent conductivity, flexibility, and corrosion resistance. It is manufactured in different thicknesses and widths for various industrial, electrical, and manufacturing applications. It is available in rolled (RA) or electrodeposited (ED) forms, depending on the required properties.

Specifications:

Specifications vary depending on thickness, purity, and manufacturing type. Below are general parameters:

  • Purity: ≥ 99.8% Cu
  • Thickness: 0.008mm – 0.2mm (custom thickness available)
  • Width: 100mm – 1300mm (varies based on requirement)
  • Surface Finish: Smooth or matte finish
  • Elongation: ≥ 5% – 40% (depends on the type)
  • Tensile Strength: ≥ 250 MPa (rolled), ≥ 280 MPa (electrodeposited)
  • Conductivity: ≥ 98% IACS
  • Density: 8.9 g/cm³
  • Impurities:
    • Iron (Fe): ≤ 0.02%
    • Lead (Pb): ≤ 0.005%
    • Oxygen (O₂): ≤ 0.05%
  • Types:
    • Rolled Annealed (RA) Copper Foil: Higher flexibility, suitable for bending applications.
    • Electrodeposited (ED) Copper Foil: Higher tensile strength, used in PCB manufacturing.
  • Form: Rolls or sheets
  • Packaging:
    • Rolls wrapped in plastic and packed in wooden cases
    • Custom packaging available

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