What is propylene glycol corrosion inhibitor?
Propylene glycol corrosion inhibitors are chemicals added to systems containing propylene glycol (PG), typically used to prevent the corrosion of metals, particularly in environments where propylene glycol is used as a coolant or antifreeze. Propylene glycol itself is a versatile, water-soluble compound that is commonly used in applications such as HVAC systems, automotive antifreeze, de-icing…
