Typical values of thermal conductivity
- Typical values of thermal conductivity
-
Typical values of thermal conductivity
(in 0.001 calories per centimetre per second per degree Celsius)
material at 20 °C at 200 °C
typical rocks 4–10
granite 7.8 6.6
gneiss
(perpendicular to banding) 5.9 5.5 (100 °C)
(parallel to banding) 8.2 7.4 (100 °C)
gabbro 5.1 5.0
basalt 4.0 4.0
dunite 12.0 8.1
marble 7.3 5.2
quartzite 15.0 9.0
limestone 6.0
one sandstone
shale 3–4
rock salt 12.8
sand
(30% water) 3.94
water 1.34 (0 °C) 1.6 (80 °C)
ice 5.3 (0 °C) 9.6 (−130 °C)
magnetite 12.6
quartz 20.0
feldspars 5.0
See as table:
* * *
Universalium.
2010.
Look at other dictionaries:
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