What is the difference between liquified gas and vaporized gas?
In aerosol products, a propellant is used to dissolve and discharge the contents, and certain types of propellants are liquified by compression. Such liquified propellants are called as liquified gas. Therefore, the contents in a can are under pressure due to the pressure of this propellant. In a can, gas is divided into two phases; the liquid phase which consists of evenly dissolved contents and liquified gas; and the vapor phase which consists of vaporized propellant. What exists in the vapor phase in the form of gas is called vaporized gas.
