Temperature stability is essential in a heat tranfer system. Consult this collection of heat transfer fluids to find those that will benefit your process.

Nonhazardous Heat Transfer Fluid

Enviro-Kool provides increased heat transfer efficiency and a favorable environmental profile. It is a nontoxic, low viscosity alternative to glycols and is designed for secondary cooling systems, process cooling and other heat transfer applications from -70 to 300 oF (21 to 149oC).
Circle 320
Clearwater Inc.
(800) 995-4294
www.enviro-kool.com

Inhibited Glycol Heat Transfer Fluid

The company's line of inhibited glycol-based heat transfer fluids includes Dowcal, Dowtherm, Dowfrost, Syltherm, Foodfreeze and Ucartherm. Used primarily as freeze-point depressants in water-based process cooling circuits, these fluids contain corrosion inhibitors that offer long service life to these systems. The fluids also offer excellent thermal stability at high temperatures and exceptional freeze protection.
Circle 325
Dow Chemical
(800) 447-4369
www.dow.com

Nonhazardous Fluid

Nontoxic Paratherm MR provides single-fluid cooling to 30oF (-1oC) and heating to 550oF (288oC) in process equipment. Low-pressure, low-viscosity fluid can drop into existing hot-oil systems, providing instant low-temperature performance without procurement of new water/glycol equipment. Durable, environmentally friendly fluid has extended life.
Circle 322
Paratherm Corp.
(610) 941-4900
www.paratherm.com

Synthetic Fluid

Marlotherm N has a pour point of -76oF (-60oC) and upper film temperature of 644oF (340oC). The nontoxic fluid is suitable for use in closed-loop, nonpressurized, forced-circulation process heating and cooling systems.
Circle 404
Sasol America
(251) 861-7333
www.us.sasol.com

Heat Transfer Fluids for Demanding Conditions

Available directly from the manufacturer, heat transfer fluids provide efficiency and thermal stability at a low cost. Heat transfer fluids are designed for use in circulating liquid phase heating and cooling systems, and are used in a range of applications worldwide. They have a proven record of success under demanding conditions.
Circle 413
DSI Fluid Systems
(800) 796-0220
www.dsifluids.com

High Temperature Fluid

Therminol 72 is a nonfouling fluid suitable for high temperature heat recovery applications that require a low pressure fluid. Fluid temperature range is from 15 to 720oF (-9 to 382oC); flashpoint is 270oF (132oC); and fire point is 289oF (143oC).
Circle 327
Solutia
(314) 674-1000
www.therminol.com

Corrosion-Resistant Fluid

Designed to protect brass, copper, steel, cast iron, aluminum and other metals used in cooling and heating systems, Jeffcool coolants and heat transfer fluids contain corrosion inhibitors that attach to metal surfaces to passivate them. The ethylene-glycol- and propylene-glycol-based fluids can be used for process cooling.
Circle 326
Huntsman Corp.
(713) 235-6303
www.huntsman.com

Thermal Fluids

Intercool NFE/NFP inhibited ethylene- and propylene-glycol-based fluids are available as concentrate or preblended to meet customer specifications. The company offers free delivery, free fluid analysis every six months and free technical support.
Circle 321
Interstate Chemical Co.
(800) 422-2436
www.interstatechemical.com

High Temperature Fluid

The company meets environmental and hazardous materials concerns by adding a biphenyl-free, high temperature heat transfer fluid to its Xceltherm LV line of aromatic and oil-based fluids. As a direct replacement in liquid/vapor phase systems up to 700oF (371oC), the fluid eliminates EPA-required "Reportable Spill Quantity" concerns without major system changes.
Circle 324
Radco Industries
(630) 232-7966
www.radcoind.com

Heat Transfer Fluid

Calflo HTF is a premium-grade heat transfer fluid that provides extended high temperature performance in liquid-phase systems operating with bulk temperatures up to 620oF (326oC). Nontoxic and chemically stable, the fluid does not attack seal materials, is less prone to sludge buildup and reduces leakage from control valves and pipe flanges. Its low vapor pressure and oxidation and thermal stability, results in fewer top-ups, reduced maintenance costs and longer fluid life.
Circle 323
Petro-Canada Lubricants
(905) 804-4678
www.calflo.com

Nontoxic Heat Transfer Fluid

Dynalene SF is thermally stable at temperatures up to 600oF (316oC). The fluid has demonstrated performance over a range of temperatures without compromising system reliability.
Circle 329
Dynalene Heat Transfer Fluids
(610) 262-9686
www.dynalene.com

Nonhazardous Heat Transfer Fluid

With a temperature range of 0 to 600oF (-18 to 316oC), nonhazarous heat transfer fluid can accommodate a range of heating or cooling requirements. Manufacturer's experience includes providing proven recommendations on applications and a Tech-Team approach that identifies system problems that, if left uncorrected, may damage the fluid.
Circle 328
MultiTherm Corp.
(610) 461-6442
www.multitherm.com

Therminol VP-3

Therminol VP-3 liquid/vapor phase heat transfer fluid was specially developed to allow vapor phase heat transfer at lower temperatures than are practical with traditional diphenyl oxide/biphenyl constituted fluids like Therminol VP-1.

Solutia
(314) 674-1000
www.therminol.com