duratherm heat transfer fluids

Duratherm 630

Rated to 332°C (630°F) and engineered as an economical and environmentally friendly replacement to chemical aromatic fluids, Duratherm 630 is also enhanced to offer years of trouble free service and superior protection from oxidation.



Duratherm 630 is a high performance, efficient and environmentally friendly fluid engineered for applications requiring high temperature stability to 332ºC (630˚F). Offering precise temperature control it’s a great alternative to high temperature aromatic fluids, at a fraction of the cost. It is ideal for a wide range of applications including, high temperature batch processing, chemical reactions, pharmaceutical and resin manufacturing among others.


Our exclusive additive package, including a proprietary dual stage anti-oxidant, ensures long trouble free operation. Duratherm 630 also incorporates metal deactivators, a seal and gasket extender, de-foaming and particle suspension agents.


Oxidation can cripple your system. Left unchecked, it will ultimately cause catastrophic failure and costly downtime. That’s why Duratherm 630 offers unsurpassed levels of protection against oxidation, and a service life that other fluids simply can’t match.


Duratherm 630 delivers superior resistance to sludging, a problem plaguing most other fluids. That makes it the best defense against extreme oxidation found in many of today’s demanding manufacturing environments.


Duratherm 630 is environmentally friendly, non-toxic, non-hazardous and non-reportable. It poses no ill effect to worker safety and does not require special handling. After its long service life, Duratherm 630 can easily be disposed of with other waste oils.


If your existing fluid has let you down and left you with a system full of sludge or carbon, we’ve developed a full line of heat transfer system cleaners to get your system back to like-new condition. Contact us for complete details. LESS
Note: The values quoted in the table above are typical of normal production. They do not constitute a specification.

    Quick Facts

    • Maximum temperature: 332ºC
    • Non-toxic/non-hazardous
    • High flash point
    • Alternative to chemical aromatic fluids
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