Quick Facts

  • Ideal for open bath systems
  • Extreme Oxidation Resistance
  • Aternative to Ucon 500

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Duratherm G thermal fluid

Polyalkylene glycol based fluids such as UCON 500® are a widely used form of heat transfer fluid that until now offered only average performance, short fluid life and have not been compatible with most other types of heat transfer fluids.

Duratherm G's exclusive additve system now allows for its successful use in high demand applications like those found in the plastic industry, die casting and even performs and lasts exceptionally well in open baths.

Finally ... A glycol thermal fluid that's compatible with the more common petroleum fluids!

Compatibility

Duratherm G thermal fluid not only outperforms most other fluids it also contains a unique and proprietary additive that makes it compatible with the more commonly used petroleum based fluids. This allows for a worry free transition across different fluid chemistries and eliminates any need for special procedures.

We've also reduced odors and improved fluid clarity when compared to other glycol thermal fluids.

Longevity

In the thermal fluid industry cost is always a concern, however fluid longevity and resistance to harmful fouling are of equal importance.

Air contact is normally detrimental to a fluid. Oxidation can cripple your system and if left unchecked will ultimately cause catastrophic failure. Unscheduled downtime due to oil failure has a high cost and negative effect on production.

Duratherm G thermal fluid contains our proprietary blend of anti-oxidants, corrosion inhibitors, metal deactivators, seal and gasket extenders etc. to ensure a long trouble free service life in even the most demanding, extreme oxidation applications.

Duratherm G Properties
Appearance: clear liquid, very slight yellow tint
Maximum bulk/use Temp. 500°F 260°C
Flash Point ASTM D92 511°F 267°C
Fire Point ASTM D92 543°F 284°C
Autoignition ASTM E-659-78 704°F 373°C
Viscosity ASTM D445    
cSt at 104°F / 40°C 48.3  
cSt at 250°F / 121°C 6.0  
cSt at 500°F / 260°C 1.5  
Pour Point ASTM D97 -40°F -40°C
Density ASTM D1298 lb/ft3 g/ml
at 100°F / 38°C 57.1 0.914
at 250°F / 121°C 54.5 0.873
at 500°F / 260°C 49.2 0.788
Thermal Expansion Coefficient 0.0377 %/°F 0.0801 %/°C
Thermal Conductivity BTU/hr F ft W/m K
at 100°F / 38°C 0.095 0.164
at 250°F / 121°C 0.088 0.152
at 500°F / 260°C 0.076 0.131
Heat Capacity BTU/lb F kJ/kg K
at 100°F / 38°C 0.470 1.967
at 250°F / 121°C 0.510 2.135
at 500°F / 121°C 0.560 3.179
Vapor Pressure ASTM D2879 psi kPa
at 100°F / 38°C 0.04 0.27
at 250°F / 121°C 0.16 1.10
at 500°F / 260°C 0.55 3.79
Distillation Range ASTM D2887 10% 694°F (367°C)
  90% 957°F (513°C)
What they're saying...

"I've had zero pump and valve failures in over a year-and-a-half since using Duratherm 600." — R. Barnett

"The performance of the Duratherm product was working so well at our plant I called the other plants." — J. Gerbec

"We have been using it in our oil jacketed extruder as a heat transfer fluid for over a year now with no problems." — J. Thomas

"These products performed exceptionally well for us and did exactly what your team said they would do." — S. Poletto

"We have had Duratherm 600 in our tanks for almost a year now and it is working great." — K. Rose

"I commend you and your company on the quality and longevity of your products." — H. Blair

"Duratherm G is not only less expensive by the drum but the longer life saves money in the long run." — J. Smith

"The difference is clear — literally!" — S. Bailey