Inhibited glycol heat transfer fluids for closed-loop heating, cooling and freeze protection. SDI Chemicals supplies ESSELTHERM EGL (ethylene glycol) and ESSELTHERM PGL (low-toxicity propylene glycol, food-grade PGL-FG on request) with full corrosion-inhibitor packages, an operating range from -60°F and a -60°F freeze point at 60% concentration.

Used in HVAC and process chillers, food and beverage cooling loops, breweries, industrial cooling circuits and freeze-protected piping. Supplied in drums and totes, with pails and bulk tankers quoted on request; TDS and SDS available. Request a quote with your system volume and delivery ZIP.

Glycol freeze point & fill calculators → find the concentration for your climate and how much concentrate to order.