Temperature T , in °C factor A factor B , in MPa 40 0.0002 20.7 40 0.00093 96.5 40 0.00108 110 40 0.00116 117 40 0.00125 124 40 0.0014 131 40 0.0016 138 40 0.00182 145 40 0.00205 152 40 0.0024 159 40 0.0028 165 40 0.0035 172 40 0.007 190 40 0.02 207 40 0.1 207 150 0.00021 20.7 150 0.00085 82.7 150 0.00095 89.6 150 0.00105 96.5 150 0.00125 103 150 0.00142 110 150 0.00165 117 150 0.0019 124 150 0.0023 131 150 0.003 138 150 0.004 145 150 0.0052 152 150 0.01 159 150 0.04 165 150 0.08 168 150 0.1 168 260 0.00022 20.7 260 0.00066 62.1 260 0.0008 75.8 260 0.0009 82.7 260 0.00095 86.2 260 0.001 89.6 260 0.00112 93.1 260 0.00125 96.5 260 0.00139 100 260 0.00155 103 260 0.0019 110 260 0.0025 117 260 0.0034 124 260 0.005 131 260 0.008 138 260 0.015 145 260 0.1 145 425 0.00025 20.7 425 0.0008 62.1 425 0.001 75.8 425 0.00125 82.7 425 0.00135 86.2 425 0.00148 89.6 425 0.00163 93.1 425 0.0018 96.5 425 0.002 100 425 0.00225 103 425 0.0028 110 425 0.0037 117 425 0.0054 124 425 0.0083 131 425 0.0165 138 425 0.03 141 425 0.1 141 650 0.00025 20.7 650 0.0008 62.1 650 0.001 75.8 650 0.00125 82.7 650 0.00135 86.2 650 0.00148 89.6 650 0.00163 93.1 650 0.0018 96.5 650 0.002 100 650 0.00225 103 650 0.0028 110 650 0.0037 117 650 0.0054 124 650 0.0083 131 650 0.0165 138 650 0.03 141 650 0.1 141