| Filler Material | Thermal Conductivity (Wm−1∙K−1) |
| Aluminum Oxide | 18 |
| Aluminum Nitride | 200 - 320 |
| Silicon Carbide | 611 |
| Diamond | 1300 - 2400 |
| Copper | 400 |
| SWCNT | »6000 |
| MWNT | »3000 |
| Graphite | 600 |