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Gases - Dynamic Viscosities

Absolute (dynamic) viscosities of some common gases.

Viscosities of gases at normal pressure:

Gases - Dynamic (Absolute) Viscosities
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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