An is a precision-engineered, self-dispensing pressurized package designed to release products as a mist, spray, foam, or stream. It functions as a complex system where a propellant (liquefied or compressed gas) creates internal pressure to force the product through a valve assembly when actuated. Core Components

: The actual material being dispensed (e.g., paint, medicine, or hairspray).

A standard aerosol system consists of five main elements working in synchronization:

: Regulates the flow and controls the physical form of the output.