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Dynalene TEG

High-Temperature, Inhibited Triethylene Glycol Heat Transfer Fluid

Temperature Range for Closed System: -32°F to 400°F / -35°C to 204°C

Dynalene TEG is an inhibited triethylene glycol heat transfer fluid offered in pre-mixed solutions up to 60%. (If you require concentrations higher than 60%, please contact us at 610-262-9686 or Dynalene TEG offers users a stable, safe, and efficient product for applications where freeze protection is needed. It has a much higher thermal stability than propylene and ethylene glycol and can safely be used up to 204°C (400°F). Properly used and maintained, Dynalene TEG offers excellent thermophysical heat transfer properties all while protecting your system from corrosion and degradation for years.

If you’re interested in other polyethylene glycols, please click here.


  • Specifically designed for high temperature applications
  • Ideal for process heating where temperatures exceed the limits of other glycols
  • Can be used in solar, geothermal, thermal storage & line heating

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