What is Inhibited Ethylene Glycol?
Inhibited ethylene glycol is a heavy-duty heating fluid formulated with advanced corrosion inhibitors to protect HVAC, industrial boilers, process cooling, and closed-loop thermal systems from freezing, corrosion, and scale buildup.
Unlike uninhibited glycol, which quickly degrades and turns acidic, an ethylene glycol inhibited formulation helps extend equipment life by protecting contaminant metals such as steel, copper, brass, and solder while maintaining high thermal performance. Compared to propylene glycol-based fluids, ethylene glycol offers superior heat transfer efficiency and lower viscosity at extreme temperatures, making it the industry standard for demanding industrial ethylene glycol heating systems across Canada.
Why Dynatherm for Inhibited Ethylene Glycol Applications?
Dynatherm is a premium inhibited ethylene glycol-based heat transfer fluid designed for long-term system protection in industrial, commercial, and oilfield applications. It can function effectively as a stationary industrial glycol radiator fluid where maximum thermal efficiency is required.
Dynatherm can either be supplied in concentrated form or as a completely formulated, pre-diluted solution with high-quality deionized water. At a standard 40% solution by volume, Dynatherm provides dependable freeze protection down to -25°C and boil protection up to 105°C without thermal degradation.
Product Features
- Formulated using the highest quality virgin ethylene glycol making this a premium ethylene glycol-based heat transfer fluid
- Premium corrosion inhibitor package to protect system metals
- Non-nitrite formulation
- Built for cold climate use. At a solution of 40% by volume, can provide freeze protection to -25oC
- Can withstand extreme temperatures without thermal degradation. At a solution of 40% by volume, can provide boil protection to 105oC
Applications Include
Ideal for Boilers, HVAC & Closed Loop Systems: Dynatherm is commonly used in:
-
Dynatherm boiler systems
-
Closed-loop ethylene glycol heating systems
-
Industrial HVAC chiller units
-
Oilfield line heaters
-
Radiant heating systems
-
Thermal energy storage systems
*Generally, for an extended margin of protection, you should select a solution temperature that is at least 3°C (5°F) lower than the expected lowest ambient temperature.
**Inhibitor levels should be adjusted for solutions of less than 30% glycol.
Available Packaging
20L Pail
205L Drum
1000L Tote
FAQ
Why use inhibited glycol instead of regular ethylene glycol?
Regular (uninhibited) ethylene glycol helps prevent freezing but lacks critical chemical protectants. Over time, it breaks down into acids that aggressively attack system metals. Dynatherm adds protective chemistry that neutralizes these acids, helping extend equipment life and maintain optimal system efficiency.
What is inhibited ethylene glycol used for?
Common applications include commercial HVAC chillers, industrial process loops, ethylene glycol heating systems, line heaters, and heavy-duty hydronic boiler operations.
Is inhibited ethylene glycol safe for hydronic heating systems?
Yes, it is widely used in closed-loop industrial and commercial hydronic systems. However, because ethylene glycol carries a higher toxicity profile than propylene glycol, it should only be used in systems where there is no risk of incidental contact with potable water or food processing lines.
How long does inhibited ethylene glycol last?
Service life depends heavily on operating temperatures and fluid maintenance. When properly monitored and maintained, an industrial heating fluid like Dynatherm can provide years of reliable, high-efficiency performance.
Can Dynatherm be used as a glycol radiator fluid?
Dynatherm is engineered specifically for stationary industrial closed loops, HVAC systems, and process cooling—not automotive or commercial transport radiators. Vehicle cooling systems require specialized formulations built to handle high thermal shear, pump seal wear, and wet-sleeve cylinder liner cavitation. For vehicle radiators, you should specify a dedicated coolant like Global Extended Life HD, which covers over 95% of light, medium, and heavy-duty vehicle applications. To review complete fleet specifications and OEM compliance standards, explore our Heavy-Duty Fleet Coolants & Commercial Transport Antifreeze Hub.
How do I know if my system requires Ethylene Glycol or Propylene Glycol?
Ethylene Glycol offers maximum heat transfer efficiency and lower pumping costs for isolated industrial loops. However, if your facility involves food processing, commercial HVAC near potable water, or strict environmental safety mandates, you should specify low-toxicity inhibited propylene glycol fluids.
To compare viscosity curves, freeze protection, and system compatibility, read our commercial HVAC glycol fluid selection guide. Looking for a lower-toxicity or food-safe alternative? Explore our Dynafrost – Inhibited Propylene Glycol Heat Transfer Fluid
Similar Products
Proclean Flex – High Performance Degreaser Cleaner
Ultrakool SLH – Inhibited Ethylene Glycol Coolant for Compressor Loops & Stationary Gas Engines
Set-Back – Performance Molecular Concrete Dissolver / Remover
