From: SAR reduction in the modelled human head for the mobile phone using different material shields
Materials | Conductivity (S/m) | Relative permittivity | Mass density (kg/m3) |
---|---|---|---|
Aluminium | 38,000,000 | 1 | 2689 |
Copper | 58,000,000 | 1 | 8933 |
Teflon | 0 | 2.1 | 2250 |
Glass | 0 | 5.5 | 2500 |
Plastic | 0 | 2.25 | 930 |
Air | 0 | 1.0006 | 1.1614 |
Germanium | 2.17 | 16.2 | 5350 |