Freeze Dryer

Optimize you freeze drying process with Caltherm oils designed for extremely low temperatures

Freeze-drying is a dehydration technique that has the advantage of preventing microorganisms’ development to ensure a long shelf life. This process is mainly used in the food industry for fruits, herbs and instant soups conservation. It consists of 2 steps: first, a quick deep-freezing at temperatures below -70°C, then a vacuum evaporation of the water. The steam (or any other solvent) leaves the product and is captured by freezing using a condenser or a "cold trap".


The ideal heat transfer fluid for this application must allow the supply of energy without significant modification of its physical parameters regardless of the temperature. Caltherm’s silicone technology fluids, such as Caltherm UBT, are perfect for this type of freeze drying process. This product is anhydrous and has a very low pour point with very low viscosities at low temperatures ensuring an excellent and long-life system performance. From -110°C to 200°C, Caltherm products will help to preserve your susceptible food items.

Product Portfolio

Explore our specialized selection of thermal fluids, designed to deliver efficient performance and reliability for your industry's specific needs.

Caltherm CD12                                                      

• Very high resistance to oxidation
• Excellent longevity
• Excellent pumpability
• Very little odor under normal conditions of use.
• No damage for the seals

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Caltherm UBVI                      

• Very high resistance to oxidation
• Low viscosity
• Excellent pumpability
• Inert
• Non Toxic

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Services we provide

Caltherm offers a wide range of comprehensive services to ensure the successful implementation and maintenance of heat transfer fluids.

These services include a diagnostic analysis kit to collect fluid samples, engineering solutions tailored to specific project requirements, on-site assistance during installation, research and development for innovative non-toxic thermal fluids, and cleaning solutions to maintain optimal fluid quality.

With nearly 20 countries of presence, Caldic can offer speed and reliability in the supply chain, while their local representatives work with customers to optimize costs and develop customized packaging.

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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.