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Monoethylene glycol (MEG) is an organic compound widely used as an antifreeze for the automotive trade and a precursor to polymers. In its pure form, it is an odourless, colourless, viscous liquid. It is completely miscible with water in all proportions.
The major use of ethylene glycol is as a medium for convective heat transfer in, for example,cars and liquid cooled computers. Ethylene glycol is also commonly used in chilled water air conditioning systems that place either the chiller or air handlers outside, or systems that must cool below the freezing temperature of water. In geothermal heating/cooling systems, ethylene glycol is the liquid that transports heat through the use of a geothermal heat pump.
Due to its low freezing point ethylene glycol resists freezing. The freezing point of a mixture of 60% ethylene glycol and 40% water freezes below -45 oC. It is used as a deicing fluid for windscreens and aircraft.
Ethylene glycol freezing point vs. concentration in water
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Because of its high boiling point and affinity for water, ethylene glycol is a useful desiccant.
Instead of removing water, ethylene glycol can also be used to depress the temperature at which hydrates are formed. The purity of glycol used for hydrate suppression (mono-ethylene glycol) is typically around 80%, whereas the purity of glycol used for dehydration (tri-ethylene glycol) is typically 95-99+%. Moreover, the injection rate for hydrate suppression is much lower than the circulation rate in a glycol dehydration tower.
Health & Safety:
R22- Harmful if swallowed.
S2- Keep out of the reach of children.
PLEASE NOTE: This product is not for human or animal consumption.