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Table 1
 DensityThermal conductivity Specific heat capacityEmissivity
     
Concrete2100kg/m31.4W/mK840J/kgK0.95
Steel (galvanised)7800kg/m350W/mK480J/kgK0.23
Wood650kg/m30.14W/mK1200J/kgK0.94
Water1000kg/m30.59W/mK4186J/kgK0.67
Air1.2kg/m30.025W/mK1002J/kgK