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Therminol® 75: an ultra-high temperature liquid phase heat transfer fluid
Therminol® 75 is designed for use at temperatures up to 385 °C in typical liquid phase heat transfer systems operating at low pressure. A static pressure of around 1.5 bar should maintain the liquid phase at high temperatures.
Because of its high boiling point (343°C), Therminol® 75 generates very little vapor pressure above ambient pressure at 385°C and can be used in low-pressure systems.
Temperature range
80° to 385°C
Recommended bulk temp °C
385
Max. film temp °C
410
Boiling point °C @ 1013 mbar
343
Pumpability °C @ 300 mm²/s (cSt)
80
Pour Point °C
75
Slurry Point °C
75-80
Flash Point °C (ASTM D92)
185
Autoignition Temp °C (ASTM E-659)
567
Density @ 80°C (kg/m³)
1040
Kinematic viscosity @ 80°C (mm²/s)
4,12
Water Class
WGK 2

Your benefits of using Therminol® 75 in your heat transfer system
- High-temperature stability and performance – Therminol® 75 is an exceptionally stable heat transfer fluid and can be used up to 385°. Therminol® 75 delivers a heat transfer coefficient which is equivalent or higher than other natural or synthetic liquids in the same boiling range.
- Low pressure – Therminol® 75 is designed for typical liquid-phase heat transfer fluid systems which operate at low pressures.
- Critical system design – due to the high melting range 40-70 °C of Therminol® 75, proper system design is important for reliable operation.
Discover a wide range of the most popular applications for Therminol® 75:
- Chemicals & petrochemicals
- Distillation
- HTF - active pharmaceutical ingredients
- Lube oil refining
- Oil recycling
- Refining
- Specialty chemicals
- Tall oil
Increase your Therminol® 75 knowledge with our comprehensive resources:
- Therminol 75 Safety Data Sheet (DE)
- Therminol 75 Safety Data Sheet (EN)
- Therminol 75 Safety Data Sheet (PL)
- Therminol 75 Technical Data Sheet (EN)
- Therminol 75 Product Information (EN)
- Therminol Wärmeträgeröle Produktübersicht (DE)
- Therminol Heat Transfer Fluids selection guide (EN)
- Heat Transfer Fluids – Mehr als 50 Jahre erfolgreiches Temperaturmanagement (DE)
- Heat Transfer Fluids – More than 50 Years of Experience in Managing Temperature (EN)
- Thermoölanlagen sicher und effizient betreiben – White Paper (DE)
- Operating Thermal Oil Plants safely and reliably – White Paper (EN)