DOWTHERM™ G is a synthetic organic thermal fluid for liquid-phase heat transfer processes for applications between 20°F and 675°F.
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 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
DOWTHERM™ are best in class heat transfer fluids from Dow. They are designed with dynamic properties to meet the modern industrial application needs. Explore our portfolio of specialized grades for superior performance and extended durability.
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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