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DOWTHERM™ Q Heat Transfer Fluid
DOWTHERM™ Q is a high-performance thermal fluid containing a mix of diphenylethane and alkylated aromatics as an alternative to hot oils for systems up to 625°F (330°C).
DOWTHERM™ Q is a high-performance heat transfer fluid for liquid phase systems between −35°C and 330°C (−30°F to 625°F). DOWTHERM™ Q exhibits significantly greater low-temperature pumpability in comparison to hot oils.
DOWTHERM™ Q heat transfer fluid is a suitable replacement for hot oils in a variety of high-temperature systems. DOWTHERM™ Q is also noncorrosive to common alloys and metals used in thermal transfer systems.
Specifications
Temperature: −30°F to 625°F (−35°C to 330°C) Product type: Heat transfer medium, synthetic organic heat transfer fluid Vapor pressure: 48.08 Specific heat: 0.353°F Viscosity: 48.2 Density: 63.23 Freezing point: −30°F (−35°C) Flash point: 249°F (120°C) Autoignition: 773°F (412°C)
Primary Chemistry: Mixture of diphenylethane and alkylated aromatics
Features & Benefits
Best value for moderate temperatures Better thermal stability than hot oils Better physical properties than hot oils No heat tracing to −35°C Need pressurization above 265°C
Problems Solved
Inadequate thermal stability in hot oils Poor heat transfer efficiency Difficult thermal fluid pumpability at low temps Excessive pump and exchanger system size requirements
Applications
DOWTHERM™ Q heat transfer fluid is a dynamic, high-temperature thermal fluid for use in a wide range of liquid phase systems, including but not limited to the following:
Liquid natural gas Offshore platforms Heat recovery Polystyrene and polyethylene manufacturing Topping units Asphalt processing Oil and gas 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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ChemPoint will not under any circumstances release personal user information to individuals or companies. All information collection is solely used to support ChemPoint customers service communications. Read our Privacy Notice.
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