A compound introduced into a vehicle’s air conditioning system to address refrigerant loss is designed to temporarily seal small breaches. These products circulate within the AC system along with the refrigerant and lubricant. Upon encountering a leak point, the compound reacts with moisture or air to form a solid or semi-solid plug, thereby reducing or stopping the escape of refrigerant. As an example, if a car’s AC system gradually loses its cooling capacity, suggesting a small leak in a hose connection, a suitable product might be introduced to attempt to seal that connection.
Using these compounds can offer a convenient and relatively inexpensive alternative to more extensive repairs, particularly for older vehicles or systems with minor leaks. The benefit lies in potentially avoiding the labor costs associated with locating and replacing damaged components. Historically, the development of these products addressed the growing concern over refrigerant emissions and the environmental impact of leaking AC systems. They provided a stop-gap solution, offering a means to extend the lifespan of existing systems while minimizing refrigerant release into the atmosphere.