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DOWFROST™ inhibited propylene glycol heat transfer fluid is a best-in-class, food-grade thermal fluid for a wide range of heat transfer applications. DOWFROST™ is comprised of ~96% propylene glycol and 4% corrosion inhibitors to protect and extend equipment life.
All ingredients have been classified as GRAS (generally regarded as safe) by the FDA and are approved as direct food additives as well. DOWFROST™ is the industry standard thermal fluid for food processing applications.
DOWFROST™ exhibits effective heat transfer from -50°F to 250°F (-45°C to 120°C) and can offer freeze protection or “burst protection” down to -60°F.
DOWFROST™ is made from Dow PuraGuard™ Propylene Glycol USP/EP, monopropylene glycol for the highest quality and longest lasting performance.
DOWFROST™ is available in a range of prediluted concentrations in DI water and package sizes.
Color: Clear, “Water-White”
Specific Gravity at (60/60°F): 1.046-1.056
pH of Solution (50% glycol): 9.5 – 10.5
Reserve Alkalinity – 9.0 ml
Composition (% by weight)
Propylene Glycol – 95.5
Inhibitors & Water – 4.5
Low Toxicity – Complies with FDA & USDA Regulations
GRAS – Food Safe Certified
Excellent Thermal Transfer (-50° to 250°F)
Burst Protection down to -60°F
Inhibitors Protect System from Corrosion & Damage
Extended Fluid Life Free Glycol Testing Kits from Dow
Broad Temperature Range (-50°F and 250°F)
DOWFROST™ is the leading low-temp thermal fluid across several different industries including, but not limited to:
Heating, Ventilation & Air Conditioning (HVAC applications)
Chill water & hydronic heating loops
Geothermal (ground source heat pumps)
Snow melt, defrosting & turf heating systems
Solar hot water heating
Fire water sprinkler systems
Chilling of dairy products & beverages
Cold Room Dehumidifying
Beer & wine (fermentation cooling)
Freezing of concentrated juices, meats, poultry & fish
Ice skating rinks
Secondary heat transfer loops