Propylene Glycol is a synthetic liquid substance that absorbs water. Propylene glycol is clear, colorless, slightly syrupy liquid at room temperature. Propylene glycol is practically odorless and tasteless. Propylene glycol is used to make polyester compounds. Propylene glycol is used by the chemical, food, and pharmaceutical industries as an antifreeze when leakage might lead to contact with food. 更多
