Duratherm 600

Rated to 316°C (600°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.

  • 316°C (600°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
Temerature Ratings
Maximum Bulk/Use Temp 316°C
Maximum Film Temp 344°C
Pour Point ASTM D445 -10°C
Safety Data
Flash Point ASTM D92 224°C
Fire Point ASTM D92 240°C
Auto Ignition ASTM E-659-78 360°C
Thermal Properties
Thermal Expansion Coefficient 0.182 %/°C
Thermal Conductivity W/m·K
38°C 0.138
100°C 0.136
204°C 0.13
260°C 0.128
288°C 0.126
316°C 0.125
Heat Capacity kJ/kg·K
38°C 1.93
100°C 2.13
204°C 2.46
260°C 2.642
288°C 2.73
316°C 2.818
Physical Properties
Viscosity ASTM D445 cSt
40°C 40.26
100°C 6.48
204°C 1.54
260°C 1.01
288°C 0.86
316°C 0.75
Density ASTM D1298 d/ml
38°C 0.828
100°C 0.787
204°C 0.718
260°C 0.681
288°C 0.663
316°C 0.645
Vapour Pressure ASTM D2879 kPa
38°C 0
100°C 0
204°C 0.4
260°C 2.344
288°C 4.964
316°C 9.86
Distillation Range ASTM D2887
10% 374°C
90% 482°C
Average 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.