Propellants give the pressure in an aerosol spray can (deodorants, shaving foams …), expelling what is called the active product when the valve is opened. Some liquefied propellants can act as solvents.
Among propellants:
• Butane
• Ethane
• Isobutane
• Isopentane
• Nitrogen (azote)
• Pentane
• Propane
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