40% Concentrate in Water, Food-Grade Inhibited Propylene Glycol (PG) Thermal Fluid for Heat Transfer Applications between (-6°F and 250°F).
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Fulfilled by ChemPoint


Product Overview

DOWFROST™ 40% inhibited propylene glycol (PG) is a prediluted, ready-to-use thermal fluid for easy fill & operation in a range of heat transfer equipment. DOWFROST™ 40% is comprised of <60% water, 37.0% to 43.0% propylene glycol, and <3% corrosion inhibitors

All components have been certified by the FDA as GRAS (generally regarded as safe) and are approved for use in food-sensitive applications and is recognized as the industry standard thermal fluid for food & beverage processing facilities.

DOWFROST™ is manufactured with Dow PuraGuard™ Propylene Glycol USP/EP, monopropylene glycol for the highest quality & longest lasting performance.

DOWFROST™ 40% provides exceptional thermal transfer performance from -6°F to 250°F (-21°C to 121°C).

Product Specifications
Color: Clear, “Water-White”
Specific Gravity at (60/60°F): 1.050-1.060
pH of Solution (50% glycol): 9.5 – 10.5
Reserve Alkalinity – 9.0 ml
Composition (% by weight)
Propylene Glycol – 37.0 – 43.0
Inhibitors – 3.0
Water – 60.0
Features & Benefits
Low Toxicity
GRAS – Food Safe Certified with FDA
Stable Thermal Transfer (-6°F to 250°F)
Performance Inhibitors for Extended Corrosion Prevention
Incredibly Long Fluid Life
Free Glycol Concentration Test Kits from Dow
Problems Solved
Pipe & System Corrosion & Rust
Frozen or Burst Pipes
Contamination in Potential Food Contact Applications
DOWFROST™ 40% is an industry leading thermal fluid solution, well suited for a wide range of equipment and thermal transfer systems, including but not limited to:

Heating, Ventilation & Air Conditioning (HVAC)
Chill water & hydronic heating loops
Geothermal (ground source heat pumps)
Snow melt, defrosting & turf heating systems
Solar hot water heating
Fire water sprinkler systems
Food processing
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