| Property | Units | Water | Organic Liquids | Steam | Air | Organic Vapors |
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| Heat Capacity | KJ/kg 0C | 4,2 | 1.0-2.5 | 2.0 | 1.0 | 2.0-4.0 |
| Btu/lb 0F | 1.0 | 0.239-0.598 | 0,479 | 0.239 | 0.479-0.958 |
| Density | kg/m3 | 1000 | 700-1500 |
| 1.29@STP |
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| lb/ft3 | 62,29 | 43.6-94.4 |
| 0.08@STP |
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| Latent Heat | KJ/kg | 1200-2100 | 200-1000 |
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| Btu/lb | 516-903 | 86-430 |
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| Thermal Cond. | W/m 0C | 0.55-0.70 | 0.10-0.20 | 0.025-0.070 | 0.025-0.05 | 0.02-0.06 |
| Btu/h ft 0F | 0.32-0.40 | 0.057-0.116 | 0.0144-0.040 | 0.014-0.029 | 0.116-0.35 |
| Viscosity | cP | 1.8 @ 0 0C | **See Below | 0.01-0.03 | 0.02-0.05 | 0.01-0.03 |
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| 0.57 @ 50 0C |
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| 0.28 @ 100 0C |
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| 0.14 @ 200 0C |
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| Prandtl Number |
| 1-15 | 10-1000 | 1.0 | 0,7 | 0.7-0.8 |
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| ** Viscosities of organic liquids vary widely with temperature |
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