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DOWTHERM™ G is a synthetic organic thermal fluid for liquid-phase heat transfer processes for applications between 20°F and 675°F (−6°C to 360°C).
DOWTHERM™ G is a synthetic organic heat transfer fluid that offers excellent heat transfer for liquid-phase systems. DOWTHERM™ G is a mixture of di- and tri-aryl compounds that provide unrivaled performance and stability for low-pressure thermal fluids. DOWTHERM™ G provides excellent flow characteristics at lower temperatures.
Operating temperature range: 20°F to 680°F (−6°C to 360°C)
Vapor pressure: 49.12
Specific heat: 0.363°F
Viscosity: 146
Density: 70.34
Freezing point: <40°F
Flash point: 266°F
Autoignition: 1083°F
Average molecular weight: 204.6
Thermal expansion data is available upon request.
Primary Chemistry: Mixture of di- and tri-aryl ethers
Mixture of di- and tri-aryl compounds
Liquid phase only, pressurized above 290°C
Lower pressure than DOWTHERM™ A fluid
Good physical properties
Ineffective liquid-phase heat transfer
Poor thermal fluid stability
Inferior low-temperature heat transfer fluid flow characteristics
DOWTHERM™ G Synthetic Thermal Fluid, can be used in a wide variety of heat transfer applications, including but not limited to the following:
Indirect heat transfer exchangers
Vapor- and liquid-phase systems
Polystyrene production processes
Polycarbonate manufacturing
Heat recovery process loops
Lubricant stock refining
Oil and gas boilers and refinery equipment
Off-shore refineries
High Temperature transfer is critical in a broad range of industries - Dow Chemical provides leading performance thermal fluids that help save money through quality. Learn more in our article here!
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