Heat Transfer Fluids

Eastman offers a family of Therminol heat-stable fluids developed specifically for indirect transfer of process heat. Eastman Therminol® heat transfer fluids can meet the operating needs of virtually any single- or multiple-station heat-using system. In properly designed systems our fluids provide excellent thermal stability within their expected temperature ranges and provide years of trouble-free service with minimum downtime.

Available in various formulations and operating ranges, Therminol heat transfer fluids provide excellent benefits—economy, efficient operation, minimum maintenance, and precise temperature control.

Select a heat transfer fluid from the temperature diagram below to learn more about specific product performance benefits, availability, safety data, and technical specifications.

VLTD12ADX10RD545558LTSPXP5962VP3667275VP1FF

Therminol VLT is a synthetic liquid phase heat transfer fluid with excellent heat transfer and fluid properties for extremely low temperature applications. This fluid is ideally suited for single fluid heating and cooling systems.

Therminol D-12 is a synthetic liquid phase heat transfer fluid with excellent heat transfer properties over a wide temperature range. This fluid is ideally suited for applications requiring efficient cooling and heating.

Therminol ADX10 is a low viscosity, synthetic organic heat transfer fluid particularly recommended for indirect liquid phase process heating at medium temperatures.

Therminol RD is a low viscosity heat transfer fluid particularly recommended for indirect heating at medium temperatures, where low temperature pumpability is required.

Therminol 54 is a synthetic fluid designed to provide reliable, consistent heat transfer performance over a long service life at maximum bulk temperatures up to 280°C (540°F).

Therminol 55 is a synthetic heat transfer fluid used in moderate temperature applications. Therminol 55 fluid is designed for use in non-pressurized /low-pressure, indirect heating systems. It delivers efficient, dependable, uniform process heat with no need for high pressures.

Therminol SP is a synthetic heat transfer fluid used in moderate temperature applications. Therminol SP fluid is designed for use in non-pressurized /low-pressure, indirect heating systems. It delivers efficient, dependable, uniform process heat with no need for high pressures.

Therminol 58 is an efficient, reliable, medium-temperature synthetic fluid engineered to deliver exceptional heat transfer performance at maximum bulk temperatures up to 300°C (575°F).

Therminol LT is a synthetic aromatic heat transfer fluid. It can be used in both liquid phase and vapor phase, and has excellent heat transfer and fluid properties for low temperature applications.

Therminol 59 is a synthetic heat transfer fluid with excellent low temperature pumping characteristics and thermal stability.

Therminol XP heat transfer fluid is an extremely pure white mineral oil which provides reliable heat transfer.

Therminol 62 is a synthetic heat transfer fluid whose chemistry is custom contoured for high-performance, high-purity, low-pressure and exceptional thermal stability.

Therminol VP3 heat transfer fluid is a synthetic heat transfer fluid that was specially developed to allow vapor phase heat transfer at lower temperatures than are practical with traditional diphenyl oxide (DPO)/biphenyl constituted fluids like Therminol VP-1.

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.

Therminol 68 is a high temperature liquid phase heat transfer fluid with excellent thermal stability. Therminol 68 was developed for use at temperatures up to 360° C (680°F) in liquid phase heat transfer fluid systems. Therminol 68 has a boiling point of 308°C (586°F), but static pressure of about 2 bar should maintain the liquid phase at high temperatures.

Therminol 72 is an ultra-high temperature liquid phase heat transfer fluid having excellent thermal stability. Therminol 72 was developed for use at temperatures up to 380°C (720°F) in liquid phase heat transfer systems.

Therminol 75 synthetic heat transfer fluid is a ultra-high temperature liquid phase heat transfer fluid having excellent thermal stability.

Therminol FF is the first synthetic flushing fluid for liquid phase heat transfer systems. Deposits from oxidized, thermally degraded or contaminated fluid can foul interior surfaces, making it necessary to clean the system prior to charging with new fluid.