What Is Propylene Glycol(PG)?
propylene glycol is a chemical reagent, miscible with water, ethanol and a variety of organic solvents, its chemical formula is C3H8O2. Propylene glycol is also used to make polyester compounds and as a base for de-icing solutions. Propylene glycol is used by the chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food
