Freeze Protection of Water based Heat Transfer Fluids
Comparing antifreezes used in water based heat transfer fluids or brines.
Different types and concentrations of antifreezes like
- ethanol
- methanol
- propylene glycol
- ethylene glycol
can be used to freeze protect water based heat transfer fluids or brines where the temperature in the fluid is below 0 oC (31 oF). Typical advantages and disadvantages for the freeze protection fluids are listed below.
Note! Check the related documents listed below for details.
Ethanol
- low corrosiveness
- high flammability (if pure)
- low toxicity
- high heat transfer capacity
- low pumping requirements due to viscosity
- moderate cost
Methanol
- low corrosiveness
- high flammability (if pure)
- high toxicity
- high heat transfer capacity
- low pumping requirements due to viscosity
- low cost
Propylene Glycol
- low corrosiveness
- low flammability
- low toxicity
- low heat transfer capacity
- high pumping requirements due to viscosity
- high cost
Ethylene Glycol
- low corrosiveness
- low flammability
- high toxicity
- low heat transfer capacity
- high pumping requirements due to viscosity
- high cost
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Related Documents
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Antifreeze - Ethylene Glycol Volume vs. Temperature Rating
Freeze protecting of cooling systems - temperature rating vs. required amount of antifreeze. -
Antifreeze - Ethylene Glycol vs. Propylene Glycol
Comparing ethylene glycol and propylene glycol antifreeze properties. -
Calcium Chloride Water Solutions
Freezing point, density, specific heat and dynamic viscosity of Calcium Chloride Water coolants. -
Ethanol - Dynamic and Kinematic Viscosity vs. Temperature and Pressure
Online calculator, figures and tables showing dynamic and kinematic viscosity of ethanol, C2H5OH, at varying temperature and pressure - Imperial and SI Units. -
Ethanol - Specific Heat vs. Temperature and Pressure
Online calculators, figures and tables showing specific heat , Cp and Cv, of gasous and liquid ethanol at temperatures ranging from -25 to 325 °C (-10 to 620 °F) at atmospheric and higher pressure - Imperial and SI Units. -
Ethanol Freeze Protected Water Solutions
Freezing temperature and flash points for ethanol based water solutions or brines. -
Ethylene Glycol Heat-Transfer Fluid Properties
Properties like freezing point, viscosity, specific gravity and specific heat of ethylene glycol based heat-transfer fluids, or brines. -
Isopropanol (2-Propanol) based Freeze Protected Water Solutions
Freezing and flash points of isopropanol (2-Propanol) based water solutions or brines. -
Methanol - Dynamic and Kinematic Viscosity vs. Temperature and Pressure
Online calculator, figures and tables showing dynamic and kinematic viscosity of liquid methanol,CH3OH, at varying temperature - Imperial and SI Units. -
Methanol - Thermophysical Properties vs. Temperature
Thermophysical properties of methanol. -
Methanol Freeze Protected Heat Transfer Liquids
Freezing and flash points for methanol or methyl based heat-transfer fluids or brines. -
Propylene Glycol based Heat-Transfer Fluids
Freezing points of propylene glycol based heat-transfer fluids suitable for the food processing industry. -
Sodium Chloride Water Solutions
Freezing point, density, specific heat and dynamic viscosity of Sodium Chloride and Water coolant.