Temperature T , in °C factor A factor B , in MPa 40 0.00001 0.8 40 0.000126 10 40 0.000628 50 40 0.001 60.7 40 0.002 73.1 40 0.007 89.6 40 0.035 100 40 0.1 100 100 0.00001 0.772 100 0.00013 10 100 0.000562 43.4 100 0.001 55.2 100 0.0025 67.2 100 0.007 77.2 100 0.03 86.9 100 0.1 86.9 200 0.00001 0.731 200 0.000137 10 200 0.000557 40.7 200 0.001 51 200 0.0025 62.7 200 0.007 71.7 200 0.03 81.4 200 0.1 81.4