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Gases - Dynamic Viscosities

Absolute (dynamic) viscosities of some common gases.

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Viscosities of gases at normal pressure:

Gas	Absolute Viscosity (10^-5 Pa s)
	Temperature (°C)
	0	20	50	100	200	300	400	500	600
Air	1.73	1.82	1.96	2.20	2.61	2.98	3.32	3.64	3.94
Ammonia	0.92	0.99	1.10	1.30	1.68	2.06	2.44	2.82	3.19
Argon	2.1	2.23	2.42	2.73	3.28	3.77	4.22	4.64	5.04
Benzene	0.7	0.75	0.81	0.94	1.20
Carbon dioxide	1.37	1.47	1.61	1.85	2.30	2.71	3.08	3.42	3.74
Carbon monoxide	1.66	1.74	1.88	2.10	2.52	2.90	3.25	3.56	3.86
Chlorine	1.23	1.32	1.45	1.69	2.10	2.50
Chloroform	0.94	1.01	1.11	1.28	1.62	1.95
Ethylene	0.97	1.03	1.12	1.28	1.54	1.79
Helium	1.87	1.96	2.10	2.32	2.73	3.12	3.48	3.84	4.18
Hydrogen	0.84	0.88	0.94	1.04	1.21	1.37	1.53	1.69	1.84
Methane	1.03	1.10	1.19	1.35	1.63	1.88	2.11	2.33	2.53
Neon	2.98	3.13	3.36	3.70	4.32	4.89	5.43	5.94	6.44
Nitrogen	1.66	1.76	1.89	2.12	2.51	2.86	3.19	3.49	3.78
Nitrous oxide	1.37	1.47	1.61	1.84	2.29	2.70	3.07	3.40	3.70
Oxygen	1.95	2.04	2.18	2.44	2.93	3.37	3.76	4.13	4.47
Steam	0.92	0.97	1.06	1.24	1.62	2.03	2.45	2.86	3.26
Sulphur dioxide	1.16	1.26	1.40	1.64	2.09	2.51	2.90	3.26	3.61
Xenon	2.12	2.28	2.51	2.88	3.57	4.20	4.79	5.34	5.86

1 Pa s = 1 N s/m² = 10 poise = 1,000 milliPa s

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Related Topics

Material Properties - Material properties of gases, fluids and solids - densities, specific heats, viscosities and more.
Viscosities - Viscosities of products and chemical species at varying conditions.

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