Ethylene Glycol Heat-Transfer Fluid Properties

Comprehensive reference for ethylene glycol based water solution properties including density, viscosity, specific gravity, freezing points, and boiling points at various temperatures and concentrations.

Ethylene Glycol Solution (% by volume)	0	10	20	30	40	50	60	80	90	100
Freezing Point (°F)	32	25.9	17.8	7.3	-10.3	-34.2	-63	≈ -51	≈ -22	9
Freezing Point (°C)	0	-3.4	-7.9	-13.7	-23.5	-36.8	-52.8	≈ -46	≈ -30	-12.8
Boiling Point (°F)	212	214	216	220	220	225	232	245	260	288
Boiling Point (°C)	100	101.1	102.2	104.4	104.4	107.2	111.1	118	127	142

Temperature (°C)	0% EG	10% EG	20% EG	30% EG	40% EG	50% EG	60% EG	100% EG
-17.8	1	1	1	15	22	35	45	310
4.4	3	3.5	4.8	6.5	9	10.2	48
26.7	1.5	1.7	2.2	2.8	3.8	4.5	15.5
48.9	0.9	1	1.3	1.5	2	2.4	7
71.1	0.65	0.7	0.8	0.95	1.3	1.5	3.8
93.3	0.48	0.5	0.6	0.7	0.88	0.98	2.4
115.6								1.8
137.8								1.2

Temperature (°C)	0% EG	10% EG	20% EG	30% EG	40% EG	50% EG	60% EG	100% EG
-40					1.12	1.13
-17.8			1.08	1.10	1.11	1.12	1.16
4.4	1.048	1.057	1.07	1.088	1.1	1.11	1.145
26.7	1.04	1.048	1.06	1.077	1.09	1.095	1.13
48.9	1.03	1.038	1.05	1.064	1.077	1.082	1.115
71.1	1.018	1.025	1.038	1.05	1.062	1.068	1.1
93.3	1.005	1.013	1.026	1.038	1.049	1.054	1.084
115.6							1.067
137.8							1.05

Mass Fraction of EG	-48°C	-35°C	-25°C	-14°C	-8°C	-4°C	0°C	20°C	40°C	60°C	80°C	100°C
0			1000	998	992	983	972	958
0.1		1019	1018	1014	1008	1000	992	984
0.2	1038	1037	1036	1030	1022	1014	1005	995
0.3	1058	1056	1055	1054	1046	1037	1027	1017	1007
0.4	1080	1077	1075	1073	1072	1063	1052	1041	1030	1018
0.5	1103	1100	1096	1093	1092	1090	1079	1067	1055	1042	1030
0.6	1127	1124	1120	1115	1112	1110	1107	1095	1082	1068	1055	1042

Temperature (°C)	0% EG	10% EG	20% EG	30% EG	40% EG	50% EG	60% EG	70% EG	80% EG	90% EG	100% EG
-50	1.0038	0.97236	0.93576	0.89373	0.84605	0.79288	0.72603	0.67064	0.61208	0.58347	0.53282
-40	1.0018	0.97422	0.93976	0.89889	0.85232	0.80021	0.73436	0.67992	0.62227	0.59452	0.54467
-30	1.0004	0.97619	0.94375	0.90405	0.85858	0.80753	0.74269	0.68921	0.63246	0.60557	0.55652
-20	0.99943	0.97827	0.94775	0.90920	0.86484	0.81485	0.75102	0.69850	0.64265	0.61662	0.56838
-10	0.99902	0.98047	0.95175	0.91436	0.87111	0.82217	0.75935	0.70778	0.65285	0.62767	0.58023
0	0.99913	0.98279	0.95574	0.91951	0.87737	0.82949	0.76768	0.71707	0.66304	0.63872	0.59209
10	0.99978	0.98521	0.95974	0.92467	0.88364	0.83682	0.77601	0.72636	0.67323	0.64977	0.60394
20	1.0009	0.98776	0.96373	0.92982	0.88990	0.84414	0.78434	0.73564	0.68343	0.66082	0.61579
30	1.0026	0.99041	0.96773	0.93498	0.89616	0.85146	0.79267	0.74493	0.69362	0.67186	0.62765
40	1.0049	0.99318	0.97173	0.94013	0.90243	0.85878	0.80100	0.75422	0.70381	0.68291	0.63950
50	1.0076	0.99607	0.97572	0.94529	0.90869	0.86610	0.80933	0.76350	0.71401	0.69396	0.65136
60				0.95044	0.91496	0.87343	0.81766	0.77279	0.72420	0.70501	0.66321

Fluid Temperature (°C)	Flow Increase (%)
4.4	22
37.8	16
60.0	15
82.2	14
104.4	14

Fluid Temperature (°C)	Pressure Drop Correction (%)	Combined Correction (%)
4.4	45	114
37.8	10	49
60.0	0	32
82.2	-6	23
104.4	-10	18