what is dowfrost hd used for
With an operating temperature range of -60F to 250F, this is the most widely used fluid for heating and HVAC applications. The specially formulated corrosion inhibitor package is easily maintained, long-lasting and replenishable. Fluid color is pink. DOWFROST HD inhibited propylene glycol-based fluid. This is recommended for use where incidental contact with potable water is possible or where use of a propylene glycol-based fluid is required by state or local regulations. The recommended use temperature range is -50F to 325F.
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. For safety, Dowfrostâ¢ HD is dyed fluorescent yellow to aid in leak detection.