Assay (Sn) | 97.5-98.5 % |
Sb (Antimony) | 1.5-2.5 % |
Ag (Silver) | ≤0.005 % |
Al (Aluminium) | ≤0.001 % |
As (Arsenic) | ≤0.0005 % |
Bi (Bismuth) | ≤0.05 % |
Cd (Cadmium) | ≤0.0005 % |
Co (Cobalt) | ≤0.0001 % |
Cu (Copper) | ≤0.001 % |
Fe (Iron) | ≤0.005 % |
In (Indium) | ≤0.005 % |
Ni (Nickel) | ≤0.001 % |
Pb (Lead) | ≤0.01 % |
Zn (Zinc) | ≤0.0005 % |