Temperature T , in °C factor A factor B , in MPa 40 0.00001 0.345 40 0.000405 13.8 40 0.0005 17.1 40 0.0006 20.1 40 0.0007 22.8 40 0.0008 25.2 40 0.0009 27.6 40 0.001 29.4 40 0.0015 35.9 40 0.002 40.3 40 0.0025 42.9 40 0.003 45 40 0.004 47.9 40 0.005 50.1 40 0.006 51 40 0.01 54.7 40 0.02 58.2 40 0.04 61 40 0.05 61.9 40 0.1 61.9 90 0.0000102 0.345 90 0.000301 9.86 90 0.0006 18.2 90 0.0007 20.6 90 0.001 26.3 90 0.0015 32.3 90 0.002 36.2 90 0.0025 39 90 0.003 40.8 90 0.004 43 90 0.005 44.5 90 0.006 45.4 90 0.01 47.9 90 0.05 55.2 90 0.1 55.2 150 0.000011 0.345 150 0.000199 3.21 150 0.00025 7.65 150 0.0003 9.24 150 0.0004 11.6 150 0.0005 13.6 150 0.0006 15.4 150 0.0007 16.8 150 0.001 20.6 150 0.0015 24.8 150 0.0025 29.3 150 0.003 31 150 0.004 33.4 150 0.005 35 150 0.01 38.8 150 0.015 40.8 150 0.1 40.8 205 0.0000118 0.345 205 0.000147 4.16 205 0.0002 5.48 205 0.00025 6.57 205 0.0003 7.45 205 0.0004 8.83 205 0.0005 10 205 0.001 13.8 205 0.0015 16.1 205 0.002 17.9 205 0.0025 19.2 205 0.003 20.3 205 0.005 23 205 0.006 23.6 205 0.007 24.1 205 0.01 25.4 205 0.015 26.5 205 0.02 27 205 0.025 27.5 205 0.1 27.5