Process Fluids Reference
Common Fluid Properties
Temperature-based density, viscosity, specific heat, thermal conductivity, Prandtl number, surface tension, thermal expansion, latent heat, and vapor pressure for 37 process fluids.
Units
Water
LiquidProcess fluidsCoolants / HVACCommon liquids
Pure liquid water at saturation pressure; IAPWS reference values (rounded).
Showing 1 of 37 matching fluids
- Formula
- H₂O
- Molecular weight
- 18.015 kg/kmol
- Normal boiling point
- 100 °C
- Freezing / melting point
- 0 °C
- Critical temperature
- 373.946 °C
- Critical pressure
- 22,064 kPa(a)
- Flash point
- —
Core properties · 5 columns
| Temperature °C | Density kg/m³ | Dynamic μ mPa·s | Specific heat cₚ kJ/kg·K | Pressure kPa(a) |
|---|---|---|---|---|
| 20 | 998.2 | 1.002 | 4.182 | 2.339Vapor pressure |
| 40 | 992.2 | 0.653 | 4.179 | 7.385Vapor pressure |
| 60 | 983.2 | 0.466 | 4.185 | 19.946Vapor pressure |
| 80 | 971.8 | 0.354 | 4.197 | 47.414Vapor pressure |
| 100 | 958.4 | 0.282 | 4.216 | 101.325Vapor pressure |
Property trend vs temperature
Tabulated points for Water; lines are linear guides between data points, not correlations.
Interpolation helper
Linear interpolation only; valid from 20 to 100 °C.
- Density
- 998.2 kg/m³
- Dynamic μ
- 1.002 mPa·s
- Kinematic ν
- 1.0038 cSt
- Specific heat cₚ
- 4.182 kJ/kg·K
- Thermal k
- 0.598 W/m·K
- Prandtl
- 7.007