Caltherm C66

Caltherm C66 is a heat transfer fluid known for its stable performance, with a broad operating temperature range of up to 345°C. The fluid’s composition provides a reliable service life, improving production efficiency by reducing maintenance needs and operating costs. Recommended for use between 0°C and 345°C, it is suited for high-temperature industrial applications.


• Ideal for closed-loop heating and cooling systems in sectors such as electronics and energy.

• Necessary for material manufacturing processes that require consistent temperature control.


• Provides efficient thermal transfer, crucial for consistent process temperatures.

• Stable thermal performance in a wide range of operating conditions.

• Good resistance to oxidation, which can extend the maintenance intervals.

• Long service life means less frequent fluid replacement.

• Dependable pumpability for streamlined system operation.

• Designed to prevent clogging and seal damage, preserving system integrity.


Caltherm C66.

Caltherm C66: Expanded Applications

Discover the expanded versatility of Caltherm C66 as delving into its wide-ranging applications across various industry sectors

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Chemical Processing

Caltherm’s high-tech thermal fluids ensure precise
temperature control during synthesis reactions that generate exothermic or endothermic phenomena.                                                                                                                                                                                 

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Pharmaceutical Processing

Caltherm's thermal fluids cater to pharmaceutical
needs with options for extreme temperatures, versatile
ranges from -50 °C to 300 °C, and specialized fluids for open circuits up to 195°C, all featuring superior oxidation resistance and low toxicity.                                                                                   

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Solar Power

The Caltherm range precisely meets technical concerns of the solar energy sector by offering heat transfer fluids resistant to temperatures of up to 400°C with maximum pressures of less than 15 bars. 

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Discover the Future of Heat Transfer Solutions with Caldic

At Caldic, we understand that every operation is unique, and finding the perfect heat transfer fluid is crucial for efficiency and longevity. Our experts are dedicated to helping you navigate our extensive range of high-quality heat transfer fluids to find the one that fits your specific needs. Whether you're looking to optimize your current system or explore solutions for a new project, let us assist you in making an informed decision.


By filling out the contact form on our website, you will receive a personalized guide that will help you enhance your systems and processes.


Reach out to us today, our team is ready to provide you with the insights and support you need.