Other Thermal Fluids

There are many different heat transfer fluids available. It is important to specify an inhibited glycol-based heat transfer fluid because, without inhibitors, glycol fluids can be more corrosive than water. All DOWTHERM™, DOWFROST™ and DOWCAL™ inhibited glycol-based fluids contain specially formulated industrial inhibitor packages designed to prevent corrosion.

Corrosion is a major contributor to maintenance and operating expense in water-based HVAC, food, and process systems. Effective corrosion prevention can improve system efficiency, extend equipment life, and improve overall operating economy.

Here we describe some of the more commonly used heat transfer fluids. If you have this type of heat transfer fluid currently in your system, our technical experts are available to help you convert to a DOW glycol based fluid.

Other Inhibitors vs Inhibited glycols

Glycols mixed with an unspecified corrosion inhibitor and water may not adequately protect your coolant circulating system. Because the degree of protection provided by these coolants is unknown, it is difficult to monitor and replenish inhibitor potency. In contrast, NORKOOL™ and AMBITROL™ coolants feature a patented corrosion inhibitor package and are supported by a comprehensive analysis program that enables you to maintain the necessary level of protection over time.

Automobile antifreeze

Antifreeze for automobiles is not formulated for long-term use in heavy industrial engines. Most automotive antifreeze needs to be replaced every two years and even extended life antifreeze is recommended for no more than five years. NORKOOL and AMBITROL coolants are formulated with long lasting, special industrial inhibitor packages that won’t foul circulating systems, and will protect metals commonly used in industrial engines and indirect heaters for many years.

Alcohol and water

Ethanol and methanol have very low flash points, presenting a serious fire safety hazard. And because of their volatility, alcohols are often vented, reducing their concentration and freeze protection. In contrast, NORKOOLand AMBITROL coolants have no measurable flash points.

®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow.

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Applications Products Product Technical Information Support Services Fluid Selection Assistance Ethylene vs. Propylene Glycol Inhibited Glycol, Industrial Coolant or Synthetic Organic/Silicone Fluids Freeze/Burst Protection High Temperature vs. Low Temperature Fluids Food Product Chilling/Freezing or Coil Defrosting/Dehumidifying Operating Temperature Other Thermal Fluids System Materials FLUIDFILE Selection Program Order Online Contact Us Press Room Where to Buy Thermal Fluids Home	Other Thermal Fluids There are many different heat transfer fluids available. It is important to specify an inhibited glycol-based heat transfer fluid because, without inhibitors, glycol fluids can be more corrosive than water. All DOWTHERM™, DOWFROST™ and DOWCAL™ inhibited glycol-based fluids contain specially formulated industrial inhibitor packages designed to prevent corrosion. Corrosion is a major contributor to maintenance and operating expense in water-based HVAC, food, and process systems. Effective corrosion prevention can improve system efficiency, extend equipment life, and improve overall operating economy. Here we describe some of the more commonly used heat transfer fluids. If you have this type of heat transfer fluid currently in your system, our technical experts are available to help you convert to a DOW glycol based fluid. Other Inhibitors vs Inhibited glycols Glycols mixed with an unspecified corrosion inhibitor and water may not adequately protect your coolant circulating system. Because the degree of protection provided by these coolants is unknown, it is difficult to monitor and replenish inhibitor potency. In contrast, NORKOOL™ and AMBITROL™ coolants feature a patented corrosion inhibitor package and are supported by a comprehensive analysis program that enables you to maintain the necessary level of protection over time. Automobile antifreeze Antifreeze for automobiles is not formulated for long-term use in heavy industrial engines. Most automotive antifreeze needs to be replaced every two years and even extended life antifreeze is recommended for no more than five years. NORKOOL and AMBITROL coolants are formulated with long lasting, special industrial inhibitor packages that won’t foul circulating systems, and will protect metals commonly used in industrial engines and indirect heaters for many years. Alcohol and water Ethanol and methanol have very low flash points, presenting a serious fire safety hazard. And because of their volatility, alcohols are often vented, reducing their concentration and freeze protection. In contrast, NORKOOLand AMBITROL coolants have no measurable flash points. ®™* Trademark of The Dow Chemical Company ("Dow") or an affiliated company of Dow.
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