Synthetic Organic Heat Transfer Fluid for Liquid & Vapor Phase Processes for Applications between (60°F and 750°F).
DOWTHERM™ A is a synthetic organic thermal fluid based on a eutectic mixture of two highly stable compounds (biphenyl (C12H10) and diphenyl oxide (C12H10O). DOWTHERM™ A can be used in both liquid and vapor phase systems and is suitable for indirect heat transfer applications.
DOWTHERM™ A heat transfer fluid provides excellent thermal transfer in applications between 15°C and 400°C (60°F and 750°F).
Temperature: 60 to 750°F (15°C to 400°C)
Vapor Pressure: 152.02
Specific Heat: 0.373°F
Viscosity: 4.91
Density: 66.0 lb/ft3
Freezing Point: 53.6°F
Flash Point: 236°F
Autoignition: 1110°F
Most stable organic fluid available Highest use temperature Liquid and vapor phase Mixture of diphenyl oxide and diphenyl With low viscosity to minimize startup problems, and a freezing point of 54 °F, Can be used without steam tracing in installations protected from the weather
Thermal Fluid Instability at Extremely High Temperatures
Single Phase Fluid Inefficiencies & Warehousing
High Operating Pressure Vapor Phase Concerns
Insufficient System Thermal Stability
Dowtherm™ A can be used in a wide variety of heat transfer fluid applications, including but not limited to:
Indirect Heat Transfer
Recovery Loops & Heat Exchanger
Vapor & Liquid Phase Systems
Nylon Production Processes
PET Fiber Manufacturing Processes
PET Resin Production
Lubricant Stock Refining
Oil & 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.
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