DOWFROST™ is a food-grade, inhibited propylene glycol (PG) thermal fluid for heat transfer applications between −50°F and 250°F. It is available in prediluted packages as well.
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 recognized as safe) by the FDA and are approved as direct food additives. 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.
Product type: Heat transfer fluid
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 and water: 4.5
Primary Chemistry: Propylene glycol
Low toxicity; complies with FDA and USDA regulations
GRAS; food-safe certified
Excellent thermal transfer (−50° to 250°F)
Burst protection down to −60°F
Inhibitors protect system from corrosion and damage
Extended fluid life
Free glycol testing kits from Dow
Broad temperature range (−50°F and 250°F)
Pipe and system corrosion or rust
Frozen or burst pipes
Contamination in potential food contact applications
High oral toxicity thermal fluids
Inefficient heat transfer fluid performance
DOWFROST™ is the leading low-temp heat transfer fluid across several different industries, including but not limited to the following:
Heating, ventilation, and air conditioning (HVAC)
Chill water and hydronic heating loops
Geothermal (ground source heat pumps)
Snow melt, defrosting, and turf heating systems
Solar hot water heating
Fire water sprinkler systems
Food processing
Chilling of dairy products and beverages
Cold room dehumidification
Beer and wine (fermentation cooling)
Freezing of concentrated juices, meats, poultry, and fish
Refrigeration
Ice skating rinks
Secondary heat transfer loops
Water is a critical aspect for any glycol-based thermal fluid, the inherent properties of water allow for efficient and effective thermal transfer. But how does water quality affect performance and system equipment? Learn how water quality can affect your system and what you can do to prepare for long-term success.
Dow's inhibited propylene glycol fluids stand apart in the industry due to their consistent high quality and a broad portfolio of specialized grades of DOWFROST™.
DOWFROST™ Inhibited Propylene Glycol is the go-to standard for safe & sustained heat transfer in Dairy Facilities.
DOWTHERM™ are best in class heat transfer fluids from Dow. They are designed with dynamic properties to meet the modern industrial application needs. Explore our portfolio of specialized grades for superior performance and extended durability.
Dow's glycol fluids stand apart in the heat transfer fluid industry due to their dynamic properties and a broad portfolio of specialized grades of DOWFROSTTM and DOWTHERMTM with best in class performance.
Temperature control is absolutely critical throughout the industrial and micro-brewery process. Ensure consistency through every step with the food-safe Dowfrost™ heat transfer fluid technology.
Petroleum prices are constantly fluctuating, causing ripples throughout the chemical industry. Learn how the recent changes in pricing affect the downstream products of Dowtherm™ and Dowfrost™.
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