Dow high-temperature thermal fluids are premier solutions with decades of proven industry-leading quality and performance. These synthetic and glycol-based fluids deliver long-term reliability and system protection that will save money in the long run and provide your team with peace of mind with a product that truly works.
What are Dow High Temperature Transfer Fluids?
Dow Chemical has a long-established history as the industry standard in the highest-quality thermal fluids for process heating and cooling. Dow continues the tradition of premium-performance solutions with their range of high-temperature heat transfer fluids, providing you with a product you can rely on. The high-temp fluid portfolio consists of synthetic organic and silicone-based thermal fluids in the DOWTHERM™ and SYLTHERM™ product lines.
A wide range of applications require precise thermal control, and dozens of thermal fluid solutions exist—but not all are created equal. It can be easy to be fooled by some marketing jargon or a cheap sticker price promising "equivalent" performance, but rest assured, there is no equivalent for a Dow fluid. The portfolio of fluid solutions from Dow provides incredibly robust thermal stability and a temperature range from −100°C all the way up to 400°C. From jacketed reactors to heat exchangers and more, the SYLTHERM™ and DOWTHERM™ products provide a stable fluid for temperature control across a wide array of applications.
The SYLTHERM™ and DOWTHERM™ product lines deliver incredibly stable, long-term performance through their high-quality formulation. Impurities in these fluids are removed from the start, greatly reducing the potential of byproduct formation and fluid degradation from inconsistent formulation or batch quality. Dow has carefully engineered these fluids with exact inhibitor packages to provide additional system corrosion protection over the fluid lifetime.
As a result of this precise formulation, high-temp transfer fluids from Dow can help reduce the overall operating costs through better thermal transfer efficiency and vastly extended operational lifetime compared to other market alternatives. They require less overall fluid volume to top off lost fluid from degradation or byproduct formation. Costs incurred from system downtime for maintenance or repair are also vastly reduced due to the long-term reliability of SYLTHERM™ or DOWTHERM™.
High Temperature Solutions
The Dow Chemical high-temp transfer fluid portfolio includes solutions for both liquid and vapor phase systems. This allows for a tailored solution with premier performance for nearly every type of system. Dow heat transfer fluids are versatile and can often address complex systems that require multiple heating and cooling steps.
Typical Properties1
Temperature Use Range,
°F Liquid (Vapor)
Vapor Pressure
psia
(at Max Use Temp)
Thermal Conductivity
Btu/(hr · ft²)(°F/ft)
at Min Use Temp
(at Max Use Temp)
1 Properties Shown are typical and should not be considered specifications 2 Properties for aged fluid except flash point, viscosity 3 Boiling point at atmospheric pressure
Breakdown of Immediate vs. Long-Term Cost Benefits
Dow Chemical’s analytical testing process, which gives you an up-to-date snapshot of the fluid life, is one of the biggest benefits of selecting one of these thermal fluids. This thorough lab testing provides a wide profile of all fluid changes to help identify potential concerns with product contamination or runaway thermal decomposition. The best part about this process is the testing is entirely free of charge; getting equivalent testing completed at a lab can cost up to a few hundred dollars.
By ensuring your system fluid health is optimum, you can better plan for yearly budgets and proactively schedule maintenance when it fits your timetable, not when a system leak or failure occurs. This approach of finger-on-the-pulse health checks of thermal oils will better serve you in the long run—saving money on testing and required emergency maintenance or entire system fills.
You may think you are saving money by purchasing a cheaper thermal fluid, but if the oil change out period is two to five times more frequent, those "savings" quickly lead to a runaway budget.
