2.3(b) Temperature Dependency Thermal Conductivity for Propane
100 29
TF	k
-40	27.69
-20	29.75
0	32.23
20	34.71
40	37.19
60	39.67
80	42.47
100	45.46
120	48.35
200	60.75
*
k=c*(TF+460)^n
c=0.001	n=1.8