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Thermal Fluids

Over the past 25 years, the Duratherm line of thermal fluids has expanded to include fluids capable of operating temperatures ranging from -85°C to 337°C. We offer industry leading, 24/7 technical support, comprehensive engineering data, free fluid analysis and fast order processing and expedited shipping to keep your downtime to a minimum.


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Duratherm HF

Max Temp
338°C

Flash Point
277°C

A high flash point thermal fluid ideal for use in production environments requiring a higher level of workplace safety to meet insurance and/or regulatory st... down-arrow

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Duratherm HF-FG

Max Temp
338°C

Flash Point
277°C

A unique, high flash point, food grade fluid precision engineered to comply with NSF & USDA incidental contact provisions. Its high flash point ensures ... down-arrow

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Duratherm 630

Max Temp
333°C

Flash Point
229°C

A non-toxic, high temperature alternative to using a synthetic/chemical aromatic fluid with a superior resistance to oxidation. Lower vapor pressures and hig... down-arrow

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Duratherm FG

Max Temp
327°C

Flash Point
227°C

The highest temperature rated, food grade thermal fluid available on the market today that meets FDA regulations and is both NSF and Kosher certified. It has... down-arrow

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Duratherm HTO

Max Temp
316°C

Flash Point
219°C

Our budget friendly option formulated to compete against low cost, basic fluids but specifically formulated and enhanced to resist oxidation – allowing it to... down-arrow

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Duratherm LT

Max Temp
316°C

Flash Point
165°C

An excellent option for processing applications that require heating and cooling cycles in the 4°... down-arrow

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Duratherm S

Max Temp
316°C

Flash Point
324°C

This unique silicon-based thermal fluid is blended to outperform in the long-term – even in demanding open bath applications. It has a high flash point and i... down-arrow

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Duratherm 600

Max Temp
316°C

Flash Point
224°C

Our workhorse thermal fluid capable of providing long-term performance in a wide variety of demanding, open-to-atmosphere applications. It’s highly resistant... down-arrow

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Duratherm 450-FG

Max Temp
233°C

Min Temp
-24°C

Flash Point
150°C

A food grade fluid with a -20° C – 232°... down-arrow

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Duratherm 450

Max Temp
233°C

Min Temp
-24°C

Flash Point
150°C

A high performance fluid with a -20° C – 232° ... down-arrow

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