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A liquid mixture of di- and tri-aryl ethers with operating temperature ranges of -20°F to 680°F (29°C to 371°C).




Product Overview

One of the most thermally stable low pressure liquid phase heat transfer fluid on the market and has excellent flow characteristics at low temperatures.

Product Specifications

Temperature: 20 to 680°F
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
Primary Chemistry: Mixture of di- and tri-aryl ethers 

Features & Benefits

Mixture of di- and tri- aryl compounds
Liquid phase only, pressurized above 290°C
Lower pressure than DOWTHERM A Fluid
Good physical properties


Used in production of polystyrene, polycarbonate, heat recovery, offshore platforms, refineries

Related Products

DOWTHERM™ Synthetic Thermal Fluids

Dow Chemical produces seven unique DOWTHERM™ Synthetic Organic Fluids each with unique characteristics that offer exceptional thermal stability, longer fluid life and optimum operating economics. All DOWTHERM™ fluids feature vapor pressures lower than steam and can translate into more efficient heat transfer.

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