Item | Sn 99.90 | Sn 99.95 | Sn 99.99 |
Sn %≥ | 99.9 | 99.95 | 99.99 |
As %≤ | 0.008 | 0.003 | 0.0005 |
Fe %≤ | 0.007 | 0.004 | 0.002 |
Cu %≤ | 0.008 | 0.004 | 0.0005 |
Pb %≤ | 0.032 | 0.02 | 0.0035 |
Bi %≤ | 0.015 | 0.006 | 0.0025 |
Sb %≤ | 0.02 | 0.014 | 0.0015 |
Cd %≤ | 0.0008 | 0.0005 | 0.0003 |
Zn %≤ | 0.001 | 0.0008 | 0.0003 |
Al %≤ | 0.001 | 0.0008 | 0.0005 |
S %≤ | 0.0005 | 0.0005 | 0.0003 |
Ag %≤ | 0.005 | 0.0001 | 0.0001 |
Ni+Co %≤ | 0.005 | 0.005 | 0.0006 |