Douglas Thermal Fluids inhibited propylene glycol Heat Transfer Fluids (HTF) provide years of reliable corrosion protection in demanding applications, such as fermentation cooling, immersion freezing, HVAC, food, and pharmaceutical applications, where propylene glycol solutions are preferred or required. Compliant with the United States Department of Agriculture (USDA) and Food and Drug Administration (FDA) regulations, it is ideal for applications where contact with food or beverage could occur.

Compatible with  and . Recommend mix rate for both chillers is 1 part glycol to 2 parts water.

HTF Formulation is a non-toxic, non-corrosive, biodegradable product, offering the highest level of protection and performance.