Heat Transfer Fluids

Therminol® 66

Eastman Chemical

Therminol 66 is the world’s most popular high temperature, liquid-phase heat transfer fluid. Therminol 66 is pumpable at low temperatures and offers high-temperature thermal stability.

Temperature Range
 -3 °C to +345 °C

Performance Benefits
• Experience - Therminol 66 is the most popular high-temperature, liquid-phase heat transfer fluid in the world. No heat transfer fluid material in the world has a higher degree of customer satisfaction than Therminol 66.
• Proven Fluid - In a wide variety of applications and thousands of systems around the world, Therminol 66 delivers excellent performance.
• True 650° F (345° C) Performance - Therminol 66 sets the performance standard for high-temperature, liquid-phase fluids. Users can expect many years of reliable, trouble-free operation even when operating continuously at the recommended maximum temperature.
• Fouling Resistant - Therminol 66 is specifically engineered to resist solids formation and system fouling, providing more reliable operation and potential cost savings.