Table 4 Thermal insulation properties of samples and other commonly used thermal insulation materials.
Materials | Density (g cm−3) | Thermal conductivity (W m−1 K−1) | Diffusivity (mm2 s−1) | Source |
---|---|---|---|---|
S-75 | 0.052 | 0.144 | 0.065 | — |
S-90 | 0.080 | 0.138 | 0.064 | — |
S-95 | 0.403 | 0.128 | 0.061 | — |
Lightweight concrete | 0.551 | 0.155 | 0.319 | 48 |
Polyurethane board | 0.028 | 0.024 | 0.558 | 48 |
0.033 | 0.022 | 0.434 | ||
Class fiber (axial) | 0.030 | 0.042 | 1.460 | 48 |
0.095 | 0.038 | 0.417 | ||
Rock wool (axial) | 0.050 | 0.042 | 1.000 | 48 |
0.120 | 0.040 | 0.397 |