Temperature T , in °C factor A factor B , in MPa
40 0.00001 0.354
40 0.000492 17.6
40 0.0006 20.7
40 0.0007 22.5
40 0.0008 23.9
40 0.0009 24.8
40 0.001 25.3
40 0.0171 37.9
40 0.1 37.9