A formulation of 92.5 weight percent ethylene glycol with a specially designed package of industrial corrosion inhibitors. The fluid is identical to UCARTHERM™ PM 6141 except that it icontains no yellow dye. Solutions of this in water provide freeze protection to below -50°C (-60°F) and burst protection to below -73°C (-100°F). It is widely used within the Oil and Gas Industry but is also used in HVAC systems or wherever low freezing water based heat transfer fluids are needed.