Materials | Density (g/cm3) | Mass attenuation coefficient (cm2/g) | Calculated Hounsfield unit (HU) |
---|---|---|---|
Water | 1 | 0.154 | 0 |
Thyroid gland | 0.98 | – | – |
ABS thermoplastic polymer | 1.06–1.08 | 0.152 | 46–66 |
Bone tissues | 1.7–2.0 | 0.156 | 722–1026 |
Aluminium | 2.69 | 0.137 | 1393 |
Soft tissues | 1.04 | 0.153 | 33 |
PMMA | 1.18 | 0.149 | 142 |
Trachea | 0.98–1.1 | – | – |