Propylene Glycol and Ethylene Glycol Heat Transfer Fluids

Thermal Fluids, Inc.

ThermalStar® – Inhibited Propylene Glycol

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ThermalStar hydronic heat transfer fluid is a fully inhibited propylene glycol based solution designed for applications where incidental contact with humans, food, or beverage products could occur. It is for this reason that ThermalStar is produced using only new, virgin USP grade propylene glycol. The inhibitor package is scientifically formulated of new, food grade ingredients and blended into the propylene glycol under tightly controlled manufacturing procedures.


ThermalStar is recommended for use in all closed primary and secondary heating, cooling, and refrigeration systems. Other applications include radiant heat, snow melt, and various deicing, defrosting, and dehumidifying systems.

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