Heat Transfer Fluid

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Heat Transfer Fluid

Duratherm XLT-120

  • "This will definitely be my go-to fluid for future projects." — Ryan Seward
  • "Duratherm is the best heat transfer fluid we've ever used." — Larry Daniels
  • "Duratherm saves money in the long run." — J. Smith
  • "Duratherm is working great." — K. Rose
  • "Yet another bonus was that the pricing was below comparable fluids." — S. Bailey Sr.

Duratherm XLT-120 heat transfer fluid is engineered for long-term operation in heat transfer applications requiring precise temperature control ranging from -120°F up to 150°F (-84°C to 65°C).

Ideal for cryogenic applications Duratherm XLT’s ecomomical cost and wide operating temperature also makes it well-suited for heating and cooling applications found in the food processing, pharmaceutical and chemical industries.

Trouble-Free Operation

Duratherm XLT-120 heat transfer fluid does not require monitoring of concentration or additive levels.

Longevity

Duratherm XLT-120 heat transfer fluid utilizes our exclusive additive system for long-term, trouble-free operation at any temperature, high or low.

Environmental

Duratherm XLT-120 heat transfer fluid is plant and user friendly. Low odours, high flash point and no SARA reportable substances makes XLT the wise choice for worker health and safety.

Disposal

After its extensive service life, Duratherm XLT-120 heat transfer fluid can be disposed of through local waste oil recycling programs. Check your local regulations.

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Duratherm XLT-120 Properties
Appearance: clear liquid, slight yellow tint
Maximum bulk/use Temp. 150°F 65°C
Minimum bulk/use Temp. -120°F -84°C
Flash Point ASTM D92 120°F 49°C
Fire Point ASTM D92 140°F 60°C
Viscosity ASTM D445  
cSt at -40°F / -40°C 8.5  
cSt at 32°F / 0°C 4.5  
cSt at 150°F / 65°C 1.3
Pour Point ASTM D97 -130°F -90°C
Density ASTM D1298 lb/ft3 g/ml
at -40°F / -40°C 54.1 0.866
at 32°F / 0°C 53.5 0.856
at 150°F / 65°C 50.8 0.813
Carbon Residue ASTM D189 0.005 % Mass
Sulphur Content X-RAY <.001 weight %
CU Strip Corrosion ASTM D130 1a  
Thermal Conductivity BTU/hr F ft W/m K
at -40°F / -40°C 0.080 0.138
at 32°F / 0°C 0.079 0.136
at 150°F / 65°C 0.076 0.131
Heat Capacity BTU/lb F kJ/kg K
at -40°F / -40°C 0.460 1.925
at 32°F / 0°C 0.471 1.971
at 150°F / 65°C 0.520 2.177
Vapor Pressure ASTM D2879 psi kPa
at 60°F / 15°C 0.00 0.00
at 100°F / 38°C 0.02 0.13
at 150°F / 65°C 4.31 29.71
Distillation Range ASTM D2887 10% 181°F (83°C)
  90% 546°F (285°C)

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

Technical Papers

Heat Transfer Fluid Basics

Selecting a Fluid

Using a Heat Transfer Fluid

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