⭐ What Is TEG (Triethylene Glycol)?
Triethylene Glycol (TEG) is a colorless, viscous, slightly aromatic polyether diol belonging to the ethylene glycol family.
With the chemical formula C₆H₁₄O₄, TEG is widely used as a humectant, solvent, plasticizer, natural gas dehydrating agent, disinfectant component, and chemical intermediate.
TEG is known for its high boiling point and strong hygroscopic (water-absorbing) capability.
🔧 What Is TEG Used For?
✔ 1. Natural Gas Dehydration (Most Important Use)
TEG absorbs water from natural gas, helping to:
- Prevent corrosion
- Stop hydrate formation
- Ensure safe transportation and processing
✔ 2. Humectant (Moisture Retainer)
Because TEG attracts moisture from the air, it is used in:
- Air fresheners and humidifiers
- Industrial humidity control systems
- Inks and cosmetics
✔ 3. Disinfectant & Air Sterilization Products
TEG has antimicrobial properties, making it suitable for:
- Odor control formulations
- Air sterilization chemicals
- Antimicrobial sprays and systems
✔ 4. Solvent
TEG dissolves many organic materials and is used in:
- Resins
- Paints
- Oils
- Inks
- Cleaning agents
✔ 5. Plastic & Polymer Applications
Used as:
- A plasticizer
- A component in polyester resin production
✔ 6. Brake Fluids & Hydraulic Fluids
TEG is a component in certain DOT-grade brake fluids.
🎯 Purposes of TEG
- Removing water from natural gas
- Providing moisture control
- Enhancing antimicrobial activity in formulations
- Modifying plastics and polyester resins
- Serving as an industrial solvent and cleaner
- Contributing to brake fluid and hydraulic fluid stability
🏭 Industries That Use TEG
- Natural gas processing & petroleum industry
- Chemical & coating industry
- Plastic & polymer manufacturing
- Cosmetics & personal care
- Industrial cleaning products
- Air sterilization & odor control products
- Automotive fluids
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