Temperature (°C) Density, ρ (kgm3 ) Specific Weightb, γ (kNm3 ) Dynamic Viscosity, μ 104 (N ∙ sm2 ) Kinematic Viscosity, ν 107 (m2s) Surface Tensionc, σ 102 (Nm) Vapor Pressure, Pυ 10-2 [Nm2 (abs)] Speed of Soundd, c (ms) 0 999.9 9.806 17.87 17.87 7.56 6.11E+02 1403 5 1000 9.807 15.19 15.19 7.49 8.72E+02 1427 10 999.7 9.804 13.07 13.07 7.42 1.23E+03 1447 20 998.2 9.789 10.02 10.04 7.28 2.34E+03 1481 30 995.7 9.765 7.975 8.009 7.12 4.24E+03 1507 40 992.2 9.731 6.529 6.58 6.96 7.38E+03 1526 50 988.1 9.69 5.468 5.534 6.79 1.23E+04 1541 60 983.2 9.642 4.665 4.745 6.62 1.99E+04 1552 70 977.8 9.589 4.042 4.134 6.44 3.12E+04 1555 80 971.8 9.53 3.547 3.65 6.26 4.73E+04 1555 90 965.3 9.467 3.147 3.26 6.08 7.01E+04 1550 100 958.4 9.399 2.818 2.94 5.89 1.01E+05 1543 Temperature (°C) Thermal Conductivity MW/m K 0.01 555.75 10 578.64 20 598.03 30 614.5 40 628.56 50 640.6 60 650.91 70 659.69 80 667.02 90 672.88 99.6 677.03 Temperature (°C) Pr number 0 13.6 5 11.2 10 9.46 20 6.99 25 6.13 30 5.43 50 3.56 75 2.39 100 1.76