Glycols Are A Group Of Organic Chemicals Containing Two Hydroxyl (-OH) Groups. They Are Generally Clear, Colorless Liquids With Good Solvent, Moisturizing, And Heat-transfer Properties. Common Glycols Include Mono Ethylene Glycol (MEG), Diethylene Glycol (DEG), And Propylene Glycol (PG). They Are Widely Used In Antifreeze, Coolants, Paints, Coatings, Plastics, Resins, Textiles, Cosmetics, Pharmaceuticals, And Industrial Formulations. Glycols Are Valued For Their Water Solubility, Low Volatility, And Ability To Control Freezing And Evaporation.