In the field of glycols, understanding the differences between monoethylene glycol (MEG), triethylene glycol (TEG) is critical for various industrial applications. These glycols, while chemically related, have unique properties and applications that make them suitable for specific uses.
Monoethylene Glycol (MEG)
MEG, with the chemical formula C2H6O2, is the simplest form of glycol. It is a colorless, odorless, and viscous liquid with a sweet taste.
Key Properties of MEG:
Molecular Weight: 62.07 g/mol
Boiling Point: 197.3°C (387.1°F)
Freezing Point: -13°C (8.6°F)
Density: 1.113 g/cm³
Viscosity: 16.1 cP at 20°C
Triethylene Glycol (TEG)
TEG, with the chemical formula C6H14O4, comprises three ethylene glycol molecules connected by ether bonds. TEG is even less volatile than DEG, with a higher boiling point and viscosity.
Key Properties of TEG:
Molecular Weight: 150.17 g/mol
Boiling Point: 285°C (545°F)
Freezing Point: -7°C (19.4°F)
Density: 1.127 g/cm³
Viscosity: 48 cP at 20°C
Applications of MEG,TEG
The main applications for meg mono ethylene glycol:
1. Antifreeze and Coolants: monoethylene glycol is a key ingredient in antifreeze formulations due to its ability to lower the freezing point of water.
2. Polyester fiber production: It is an important raw material for the production of polyester fibers and resins used in textiles and packaging.
3. Hydraulic fluids and brake fluids: The properties of MEG make it suitable for hydraulic fluid and brake fluid formulations.
4. Heat transfer fluids: MEG is used as a heat transfer fluid in heating, ventilation and air conditioning systems.
Triethylene Glycol TEG uses:
Triethylene glycol is used as a plasticizer for vinyl polymers, an air sanitizer, a liquid desiccant for natural gas, and an additive for hydraulic and brake fluids. It is also used as a base for "smoke machine" fluid in the entertainment industry.
1.Natural Gas Dehydration: TEG is extensively used to remove water from natural gas streams, ensuring the gas is dry and free from hydrates.
2.Air Conditioning Systems: Triethylene glycol is utilized in air conditioning systems as a desiccant.
3.Solvent in Chemical Processes: It serves as a solvent in various chemical reactions and processes.
4.Lubricants and Hydraulic Fluids: TEG is also used in the formulation of lubricants and hydraulic fluids due to its viscosity and stability.
Why choose Gneebio?
Gneebio is located in Henan Province, China, we have passed the quality system certification, have self-managed import and export rights, and our products are well received by customers. Integrity is our principle, customer satisfaction is our goal, and we will continue to ensure quality.
Our advantages
1: Price - Competitive and reasonable price
2: After-sales service - Efficient and reliable after-sales service
3: Specialized, safe and fast delivery
4: Customization - Customized labels and packaging; OEM/ODM service
5: Storage - Sufficient stock in China warehouse
