DOWFROST HD Heat transfer fluid is a formulation of propylene glycol and a specially designed package of industrial corrosion inhibitors. The fluid is dyed fluorescent yellow to aid in leak detection.
The lower PG content in DOWROST HD allows for additional corrosion inhibitors including some which are not approved by FDA as direct food additives.
*Heating, Ventilation & Air Conditioning (HVAC)
* Chill water & hydronic heating loops
* Geothermal (ground source heat pumps)
* Snow melt & Turf heating systems
* Solar hot water heating
* Fire water sprinkler systems