ROTO THERM E175 is an ethylene glycol-based heat transfer fluid heat transfer fluid is a formulation of 95.5 weight percent ethylene glycol and a specially designed package of industrial corrosion inhibitors. The fluid is dyed fluorescent pink for leak detection purposes. Solutions in water provide freeze protection to below -50°C (-60°F) and burst protection to below -73°C (100°F).


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 Fluorescent orange
Temperature Range -50°C (-60°F) to 175°C (350°F)
Specific Gravity 15/15°C (60/60°F) 1.130-1.144
pH of Solution (50% Glycol) 8.5-9.0
Reserve Alkalinity (min.) 25.0 ml
Freezing Point °C (°F) -48.3(-54.9)


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

Technical Content