ROTOFROST 500 heat transfer fluid contains specially formulated packages of industrial inhibitors that help prevent corrosion. Because ethylene glycol fluids have low acute oral toxicity, ROTOFROST 500 ethylene glycol-based fluids are often used in applications where contact with food or beverage products could occur.


HVAC/R Winterization Solar applications Data centers
Process cooling & heating Ice & snow melting systems Refrigeration systems Line heaters
Plastic extrusion Process Geothermal energy Cooling towers Hydro testing
Heat recovery

Typical Properties

Product Type: Inhibited Ethylene Glycol
Composition (% by weight)
Propylene Glycol
Performance Additives
Color Pale Yellow
Temperature Range -45°C (-50°F) to 120°C (250°F)
Specific Gravity 15/15°C (60/60°F) 1.125 – 1.135
pH of Solution (50% Glycol) 7.6-8.2
Reserve Alkalinity (min.) 8.0 ml
Freezing Point °C (°F) -48(-54.9)


Pre-mixed solutions Available for fuel cells and electronics
Custom blends with pH adjusted Available for high-temperature aluminium systems
Non-toxic Available worldwide
Can bere-inhibited Cost-effective
Proven performance Total fluid care option
Biocide is available Dye options available: fluorescent green, FD&C colours: red, pink, blue, and yellow.

Technical Content