What Is Ethylene Glycol (MEG)?
CAS 107-21-1 Monoethylene glycol (MEG) is a colorless, odorless liquid (H₂O₂) primarily produced through the hydrolysis of ethylene oxide. With its exceptional thermal stability, low freezing point, and outstanding solvent properties, MEG has become a critical raw material across multiple industrial value chains. As a core ingredient in polyester fibers, PET resin, antifreeze, and industrial-grade intermediates, it has established an indispensable position in both manufacturing and consumer sectors.
What is the purity of Monoethylene Glycol MEG for PET?
Monoethylene Glycol (MEG) needs very high purity when used to make Polyethylene Terephthalate (PET). Usually, its purity should be 99.9% by weight or higher, ranging from 99.9% to 100.0%.
- Purity: 99.9% min by weight (99.8% min in some cases).
- Diethylene Glycol (DEG): ≤ 0.08% max.
- Water Content: ≤ 0.08% max.
- UV Transmittance: ≥ 95% at 220 nm.
What is ethylene glycol used for?
Ethylene glycol is a chemical that is widely used in many commercial and industrial applications including antifreeze and refrigerants. Ethylene glycol helps avoid the freezing of your car's engine in winter, and serves as a coolant to minimize overheating in summer.
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