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A 20% propylene glycol solution that is intended for geothermal heat pump systems.


1gl Bulk



Product Overview

A ready to use solution that contains specially designed corrosion inhibitors that meet ASTM D1384 corrosion protection requirements. The low glycol content provides lower viscosity and higher heat transfer efficiency. This fluid has a freezing point of 18.5°F.

End Markets: Aerospace & Aviation; Chemical & Petrochemical; Chemical & Petrochemical; Consumer Products; Energy Generation & Utility; Energy Generation & Utility; Facility Construction & Management; Facility Infrastructure; General Industrial; Heavy Industry; Maintenance, Repair & Operations; Medical & Pharmaceutical; Oil & Gas; Oil & Gas; Personal Care; Pulp & Paper; Transportation


Intended for use in Geothermal heating and cooling systems
Related Applications: Aerospace; Air Preheating; Beverage Packaging; Blow Molders; Boilers; Boilers; Chillers; Chillers; Cooling Towers; Facility Management; Heat Exchangers; Heat Transfer Skids; HVAC; HVAC; Immersion Cooling; Immersion Freezing; Mechanical Contractors; Mechanical Contractors; Paper & Cardboard; Plastics Forming; Power Cogeneration; Radiant Heating; Secondary Chill Loops; Shell & Tube; Snow Melt; Solar Hot Water Heating; Vaporizers; Waste Heat Recovery

Product Specifications

Recommended Use Temperature Range: -5ºC (23ºF) to 100ºC (212ºF)
Typical Properties of DOWFROST GEO 20 Fluid:
Composition (% by volume)
Propylene Glycol – 20
Performance Additive + Water – 80
Color – Yellow to Green
Specific Gravity – 1.017 - 1.027 25 / 25ºC (77 / 77 º F)
pH of Solution – 9.5 - 10.5
Reserve Alkalinity (min.) – 3.5 ml
Primary Chemistry: Propylene Glycol 
Chemistry: Propylene Glycol; Propylene Glycol
Functions: Heat Transfer Fluid; Heat Transfer Fluid

Related Products

DOWFROST™ Glycol Thermal Fluids

Dowfrost™ inhibited propylene glycol heat transfer fluids provide years of reliable corrosion protection in demanding applications, such as fermentation cooling, immersion freezing, HVAC, food and pharmaceutical applications, where propylene glycol solutions are preferred or required.

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