DOWFROST™ Heat Transfer Fluid

A formulation of 96.0 percent food grade propylene glycol plus food grade corrosion inhibitors. Solutions of this in water provide freeze protection to below -50°C (-60°F) and burst protection to below -73°C (-100°F).  It is made entirely from food grade raw materials conforming to FDA CFR 21 and NSF guidelines and is acceptable for use as a heat transfer fluid where there is possibility of incidental food contact. 


  • HVAC
  • Food
  • Pharmaceutical
  • Geothermal


  • DOWFROST™ Heat Transfer Fluid is the only inhibited glycol made with DOW PuraGuard™ Propylene Glycol USP/EP, a pharmaceutical grade of monopropylene glycol with specified purity greater than 99.8%. By contrast, competitor products are often made from recycled or industrial grade glycols, or from glycols derived from bio-renewable sources. These glycols typically do not meet USP specifications as they contain significant amounts of impurities like ethylene glycol or diethylene glycol, which at certain levels affect toxicity. They also may contain certain other impurities, such as dioxolanes which impart strong odors and cause excessive foam. A great way to prolong fluid lifetime and to lower your cost of ownership, is to use DOWFROST heat transfer fluid because it is made with the highest industry purity propylene glycol combined with long lasting, food safe, corrosion inhibitors.



  • Fluid Base プロピレングリコール
  • Freezing Point in °F(°C) -60 (-51)
  • Maximum Operating Temperature in °F(°C) 250 (120)



DOWFROST™ Heat Transfer Fluid

DOWFROST™ Heat Transfer Fluid


DOWFROST™ Heat Transfer Fluid
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