° K can be replaced by ° C "Watt"
Very similar to electrical units and often confused. Any particular substance whose thermal conductivity is a measure of quantity (heat) The temperature difference between the two ends of the bit, unit time and unit length.
Table of thermal conductivity of common substances:
| air | 0.02 | lead | 35 | |
| aluminum | 240 | mercury | 140 | |
| asbestos | 0.2 | nylon | 0.3 | |
| brass | 120 | paraffin wax | 0.2 | |
| brick | 1 | Platinum | 70 | |
| Concrete | 0.1 | polyethylene | 0.3 | |
| cork | 0.05 | polystyrene | 0.08 | |
| Glass | 1 | rubber | 0.2 | |
| gold | 300 | silver | 420 | |
| ice | 2 | copper | 401 | |
| Iron, cast iron | 60 | water | 0.6 |
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