What Is Propylene Glycol?
Propylene glycol is a synthetic liquid substance that absorbs water. 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. The Food and Drug Administration (FDA) has classified propylene glycol as an additive that is generally recognized as safe for use in food. Propylene glycol from Keller Heartt is food safe and certain varieties can also be certified Kosher.
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Since Propylene Glycol is used to lower the freezing point of water, it's commonly used as a de-icer for airport runways and aircraft. It is also designed for use in hydronic systems for freeze and corrosion protection.
Propylene Glycol is commonly used as a substitute for Ethylene Glycol in low toxicity and environmentally safe antifreeze.
Food & Beverage
Typically used in frozen foods, ice cream and other frozen desserts. Other uses include: coffee-based drinks, liquid sweeteners, whipped cream and soda.
The majority of Propylene Glycol is used as chemical feedstock, during the production of unsaturated polyester resins - which produce sheet molding, printer toner and fiberglass wall panels.
Propylene Glycol is a key preservative in tobacco cigarettes, as well as a major ingredient in eLiquids and the cartridges used for E-Cigarettes.