Monoethylene Glycol (MEG): A Versatile Industrial Chemical
Monoethylene Glycol (MEG) is a clear, colorless, and odorless liquid widely used across various industries. Known for its high versatility, MEG is essential in applications such as polyester production and coolant systems.
 
Product Specifications
Type: Monoethylene Glycol (MEG)
Purity: Minimum 99.8% (ASTM E-202)
Diethylene Glycol Content: Max 0.08% (ASTM E-202)
Water Content: Max 0.08% (ASTM E-203)
Acidity (as Acetic Acid): Max 10 ppm (ASTM D-1613)
Ash Content: Max 0.005 g/100 ml (DC-254A)
Chlorides: Max 0.1 ppm (EO-635)
Iron: Max 0.1% (ASTM E-202)
Aldehyde (as Acetaldehyde): Max 10 ppm (DC-163C)
Color (Pt-Co): Max 5 (ASTM D-1209)
Specific Gravity (20/20 °C): 1.1151 – 1.1156 (ASTM D-891)
Boiling Point Range: 196 °C minimum (IBP) to 199 °C maximum (DP), with a 5-95% volume range of 1 °C maximum.
 
Key Applications
Polyester Production: Integral to manufacturing polyester fibers, films, and resins, particularly in PET production.
Resins: Serves as a coalescence and anti-freezing agent, improving the performance of emulsified resins.
Wetting and Plasticizing Agents: Used in cellophane, adhesives, and textiles to enhance moisture retention and flexibility.
Coolant Additives: Modifies boiling and freezing points in industrial refrigeration and engine coolant systems.
Additional Uses: Found in printing inks, gas treatments, fire-resistant hydraulic fluids, cutting oils, surface polishers, agrochemicals, solvent extraction, and explosives synthesis.
 
Overview
Monoethylene Glycol (MEG) plays a critical role in numerous industrial processes, offering enhanced performance and stability across a variety of applications. Its broad utility in polymer production, coolants, and other products makes MEG a valuable component for manufacturers worldwide.