Coefficients of Viscosity Fluid Viscosity/Pa s Air 1.8 × 10-5 Blood 3.0 × 10-3 to 4.0 × 10-3 Caster Oil 2.42 Glycerol 8.3 × 10-1 Mercury 1.5 × 10-3 Syrup 100 Water 1.0 × 10-3