Insulation, thermal coefficient of various gases and materials

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This article is part of a general article on the heat transfer coefficients.

Lambda given in W / mK

Gas:

Air 0.025
argon 0.017
krypton 0.009
xenon 0.0054

Miscellaneous construction materials:



Fiber cement 1400 <p <= 1800 0.65
Fiber cement 1800 <p <= 2200 0.95
Fiber cement cellulose 1000 <p <= 1400 0.35
Fiber cement cellulose 1400 <p <= 1800 0.46
Vermiculite sheets agglomerated with silicates 200 <p <= 300 0.10
Vermiculite sheets agglomerated with silicates 300 <p <= 400 0.14
Vermiculite sheets agglomerated with silicates 400 <p <= 500 0.19
1.15 glass

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