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 heat graphic

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 Temperature Graphic

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 ADX-10 Temperature Graphic

Therminol ADX-10 is a low-viscosity, synthetic organic heat transfer fluid particularly recommended for indirect liquid-phase process heating at medium temperatures.

Therminol RD Temperature Graphic

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 heat temperature graphic

Therminol 54 is a synthetic fluid designed to provide reliable, consistent heat transfer performance over a long service life at maximum bulk temperatures.

Therminol 55 Temperature Graphic

Therminol 55 is a synthetic heat transfer fluid used in moderate-temperature applications.

Therminol 58 Temperature Graphic

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 Temperature Graphic

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 SP Temperature Graphic

Therminol SP is a synthetic heat transfer fluid used in moderate-temperature applications.

Therminol XP Temperature Graphic

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

Therminol 59 Temperature Graphic

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

Therminol 62 Temperature Graphic

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

Therminol VP-3 Temperature Graphic

Therminol VP-3 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 Temperature Graphic

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 Temperature Graphic

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 72 Temperature Graphic

Therminol 72 is an ultrahigh-temperature liquid-phase heat transfer fluid with 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 Temperature Graphic

Therminol 75 synthetic heat transfer fluid is an ultrahigh-temperature liquid-phase heat transfer fluid with excellent thermal stability.

Therminol VP-1 Temperature Graphic

Therminol VP-1 heat transfer fluid is an ultrahigh-temperature synthetic heat transfer fluid designed to meet the demanding requirements of vapor-phase systems or liquid-phase systems.

Therminol FF heat transfer fluid

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.