Triethylene glycol, commonly referred to as TEG, is similar in properties to diethylene glycol (DEG), but with a higher boiling point, viscosity and specific gravity. It is used where a high boiling point and low volatility are important.
The major use of TEG is in the drying of natural gas, due to its strong hygroscopic properties. TEG is also used as a chemical intermediate in the production of vinyl plasticizers, polyester resins, adhesives, and a variety of solvents and cleaners.
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