The chemical composition of T2 copper belt:
Silver + copper + silver CuAg: ≥ 99.99
Tin Sn: ≤ 0.002
Zinc Zn: ≤ 0.005
Lead Pb: ≤ 0.005
Ni-Ni: ≤ 0.005
Iron Fe: ≤ 0.005
Beryllium Sb: ≤ 0.002
S S: ≤ 0.005
Arsenic As: ≤ 0.002
Bi Bi: ≤ 0.001:
O O: ≤ 0.06 (impurity) Note: ≤ 0.1
Silver + copper + silver CuAg: ≥ 99.99
Tin Sn: ≤ 0.002
Zinc Zn: ≤ 0.005
Lead Pb: ≤ 0.005
Ni-Ni: ≤ 0.005
Iron Fe: ≤ 0.005
Beryllium Sb: ≤ 0.002
S S: ≤ 0.005
Arsenic As: ≤ 0.002
Bi Bi: ≤ 0.001:
O O: ≤ 0.06 (impurity) Note: ≤ 0.1