50% Concentrate in Water, Food-Grade Inhibited Propylene Glycol (PG) Thermal Fluid for Heat Transfer Applications between (-22°F and 248°F).
Product Overview

DOWFROST™ 50% inhibited propylene glycol (PG) is an easy-to use, pre-diluted thermal fluid for optimal operation & fill of heat transfer equipment. DOWFROST™ 50% is comprised of 50% water, 48.0 to 54.0% propylene glycol, and <3.0% corrosion inhibitors.

All ingredients within DOWFROST™ 50% are certified by the FDA as GRAS (generally regarded as safe) and are approved for use within food-sensitive processes & equipment and is recognized as the industry standard thermal fluid for food & beverage facilities.

DOWFROST™ 50% is engineered from Dow PuraGuard™ Propylene Glycol USP/EP, monopropylene glycol for the highest quality & longest lasting performance.

DOWFROST™ 50% exhibits excellent thermal transfer performance from -22°F to 248°F (-30°C to 120ºC).

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 – 48.0 – 54.0
Inhibitors – 3.0
Water – 50.0
Features & Benefits
Low Toxicity
GRAS – Food Safe Certified with FDA
Stable Thermal Transfer (-22°F to 248°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™ 50% 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)