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Duratherm 600

Rated to 360°C (680°F) and specifically engineered to withstand the extreme oxidation environment of open (to atmosphere) systems, the Duratherm 600 thermal fluid incorporates a proprietary dual-stage anti-oxidant for long, trouble free operation in a variety of applications. It’s an environmentally friendly, non-toxic thermal fluid (heat transfer fluid) capable of providing precise temperature control.

360°C (680°F) maximum operating temperature
A tough thermal fluid made for a variety of applications
Engineered for use in heat transfer applications with exposure to air
Superior protection against sludge and carbon formation

TDS
(Technical Data Sheet)

SDS
(Safety Data Sheet)

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Standard

Metric

Temperature Ratings
Max Bulk/Use Temp	316°C
Max Film Temp.	343°C
Pour Point ASTM D97	-10°C

Safety Data
Flash Point ASTM D92	224°C
Fire Point ASTM D92	240°C
Autoignition ASTM E-659-78	360°C

Thermal Properties
Thermal Expansion Coefficient	0.1011 %/°C
Thermal Conductivity	W/m·K
38°C	0.138
100°C	0.136
204°C	0.130
204°C	0.130
260°C	0.128
288°C	0.126
316°C	0.125
Heat Capacity	kJ/kg·K
38°C	1.930
100°C	2.130
204°C	2.460
204°C	2.462
260°C	2.642
288°C	2.730
316°C	2.818

Physical Properties
Viscosity ASTM D445	cSt
40°C	40.26
100°C	6.48
204°C	1.54
204°C	1.53
260°C	1.01
288°C	0.86
316°C	0.75
Density ASTM D1298	kg/l
38°C	0.83
100°C	0.79
204°C	0.72
204°C	0.72
260°C	0.68
288°C	0.66
316°C	0.65
Vapor Pressure ASTM D2879	kPa
38°C	0.00
100°C	0.00
204°C	0.40
204°C	0.41
260°C	2.34
288°C	4.96
316°C	9.86
Distillation Range ASTM D2887
10%	374°C
90%	481°C
Molecular Weight	372
Specific Gravity @ 16°C	0.868

Note: The values quoted in the table above are typical of normal production.
They do not constitute a specification.

Temperature Ratings
Max Bulk/Use Temp	600°F
Max Film Temp.	650°F
Pour Point ASTM D445	14°F

Safety Data
Flash Point ASTM D92	435°F
Fire Point ASTM D92	464°F
Autoignition ASTM E-659-78	680°F

Thermal Properties
Thermal Expansion Coefficient	0.0564 %/°F
Thermal Conductivity	BTU/hr·ft·F°
100°F	0.080
212°F	0.079
399°F	0.075
500°F	0.074
550°F	0.073
Heat Capacity	BTU/lb·F°
100°F	0.461
212°F	0.509
399°F	0.588
500°F	0.631
550°F	0.652

Physical Properties
Viscosity ASTM D445	cSt
40°F	304.53
100°F	44.33
260°F	3.94
Density ASTM D1298	lb/ft³
100°F	51.69
212°F	49.13
399°F	44.85
500°F	42.54
550°F	41.39
Vapor Pressure ASTM D2879	psia
100°F	0.00
212°F	0.00
399°F	0.06
500°F	0.34
550°F	0.72
Distillation Range ASTM D2887
10%	705°F
90%	898°F
Molecular Weight	372
Specific Gravity @ 60°F	0.868