Chemical Composition (Typical LME Grade A Standard)
Element    Symbol    Maximum Content (ppm)
Copper (Min.)    Cu    99.99% (Min)
Silver    Ag    25
Bismuth    Bi    2
Lead    Pb    5
Arsenic    As    5
Antimony    Sb    4
Selenium    Se    2
Sulfur    S    15
Tellurium    Te    2
Iron    Fe    30
Nickel    Ni    30
Oxygen    O    500
Physical Specifications
Thickness: 10-30 mm
Width: 800-1100 mm
Length: 800-1200 mm
Weight per Cathode: 50-100 kg
Surface: Smooth, free from grease, oil, and visible contaminants.